Exemplo n.º 1
0
void Art_Speaker_drawMesh (Art art, Speaker speaker, Graphics graphics) {
	double xi [40], yi [40], xe [40], ye [40], xmm [40], ymm [40];
	int closed [40];
	int i;
	Graphics_Viewport previous;
	int oldLineType = Graphics_inqLineType (graphics);
	Art_Speaker_meshVocalTract (art, speaker, xi, yi, xe, ye, xmm, ymm, closed);
	previous = Graphics_insetViewport (graphics, 0.1, 0.9, 0.1, 0.9);   /* Must be square. */
	Graphics_setWindow (graphics, -0.05, 0.05, -0.05, 0.05);

	/* Mesh lines. */
	for (i = 1; i <= Art_Speaker_meshCount; i ++)
		Graphics_line (graphics, xi [i], yi [i], xe [i], ye [i]);

	/* Radii. */
	Graphics_setLineType (graphics, Graphics_DOTTED);
	for (i = 1; i <= Art_Speaker_meshCount; i ++)
		if (xe [i] <= 0.0 && ye [i] >= 0.0)
			Graphics_line (graphics, 0.0, 0.0, 0.9 * xi [i], 0.9 * yi [i]);
	Graphics_setLineType (graphics, oldLineType);

	/* Lengths. */
	for (i = 1; i <= Art_Speaker_meshCount; i ++)
		Graphics_line (graphics, xmm [i], ymm [i], xmm [i + 1], ymm [i + 1]);

	for (i = 1; i <= Art_Speaker_meshCount + 1; i ++)
		Graphics_speckle (graphics, xmm [i], ymm [i]);
	Graphics_setTextAlignment (graphics, Graphics_LEFT, Graphics_HALF);
	Graphics_text (graphics, 0.0, 0.0, U"O");   // origin
	Graphics_resetViewport (graphics, previous);
}
Exemplo n.º 2
0
void Art_Speaker_draw (Art art, Speaker speaker, Graphics g) {
	double f = speaker -> relativeSize * 1e-3;
	double intX [1 + 16], intY [1 + 16], extX [1 + 11], extY [1 + 11];
	double bodyX, bodyY;
	int i;
	Graphics_Viewport previous;

	Art_Speaker_toVocalTract (art, speaker, intX, intY, extX, extY, & bodyX, & bodyY);
	previous = Graphics_insetViewport (g, 0.1, 0.9, 0.1, 0.9);
	Graphics_setWindow (g, -0.05, 0.05, -0.05, 0.05);

	/* Draw inner contour. */

	for (i = 1; i <= 5; i ++)
		Graphics_line (g, intX [i], intY [i], intX [i + 1], intY [i + 1]);
	Graphics_arc (g, bodyX, bodyY, 20 * f,
		atan2 (intY [7] - bodyY, intX [7] - bodyX) * 180 / NUMpi,
		atan2 (intY [6] - bodyY, intX [6] - bodyX) * 180 / NUMpi);
	for (i = 7; i <= 15; i ++)
		Graphics_line (g, intX [i], intY [i], intX [i + 1], intY [i + 1]);

	/* Draw outer contour. */

	for (i = 1; i <= 5; i ++)
		Graphics_line (g, extX [i], extY [i], extX [i + 1], extY [i + 1]);
	Graphics_arc (g, 0, 0, speaker -> palate.radius,
		speaker -> alveoli.a * 180 / NUMpi,
		speaker -> velum.a * 180 / NUMpi);
	for (i = 7; i <= 10; i ++)
		Graphics_line (g, extX [i], extY [i], extX [i + 1], extY [i + 1]);
	Graphics_resetViewport (g, previous);
}
Exemplo n.º 3
0
void Art_Speaker_fillInnerContour (Art art, Speaker speaker, Graphics g) {
	double f = speaker -> relativeSize * 1e-3;
	double intX [1 + 16], intY [1 + 16], extX [1 + 11], extY [1 + 11];
	double x [1 + 16], y [1 + 16];
	double bodyX, bodyY;
	int i;
	Graphics_Viewport previous;

	Art_Speaker_toVocalTract (art, speaker, intX, intY, extX, extY, & bodyX, & bodyY);
	previous = Graphics_insetViewport (g, 0.1, 0.9, 0.1, 0.9);
	Graphics_setWindow (g, -0.05, 0.05, -0.05, 0.05);
	for (i = 1; i <= 16; i ++) { x [i] = intX [i]; y [i] = intY [i]; }
	Graphics_setGrey (g, 0.8);
	Graphics_fillArea (g, 16, & x [1], & y [1]);
	Graphics_fillCircle (g, bodyX, bodyY, 20 * f);
	Graphics_setGrey (g, 0.0);
	Graphics_resetViewport (g, previous);
}
Exemplo n.º 4
0
void structPitchEditor :: v_draw () {
    Pitch pitch = (Pitch) our data;
    long it, it1, it2;
    double dyUnv, dyIntens;

    Graphics_setWindow (our d_graphics, 0, 1, 0, 1);
    Graphics_setColour (our d_graphics, Graphics_WHITE);
    Graphics_fillRectangle (our d_graphics, 0, 1, 0, 1);
    Graphics_setColour (our d_graphics, Graphics_BLACK);
    Graphics_rectangle (our d_graphics, 0, 1, 0, 1);

    dyUnv = Graphics_dyMMtoWC (our d_graphics, HEIGHT_UNV);
    dyIntens = Graphics_dyMMtoWC (our d_graphics, HEIGHT_INTENS);

    Sampled_getWindowSamples (pitch, our d_startWindow, our d_endWindow, & it1, & it2);

    /*
     * Show pitch.
     */
    {
        long df =
            pitch -> ceiling > 10000 ? 2000 :
            pitch -> ceiling > 5000 ? 1000 :
            pitch -> ceiling > 2000 ? 500 :
            pitch -> ceiling > 800 ? 200 :
            pitch -> ceiling > 400 ? 100 :
            50;
        double radius;
        Graphics_Viewport previous;
        previous = Graphics_insetViewport (our d_graphics, 0, 1, dyUnv, 1 - dyIntens);
        Graphics_setWindow (our d_graphics, our d_startWindow, our d_endWindow, 0, pitch -> ceiling);
        radius = Graphics_dxMMtoWC (our d_graphics, RADIUS);

        /* Horizontal hair at current pitch. */

        if (our d_startSelection == our d_endSelection && our d_startSelection >= our d_startWindow && our d_startSelection <= our d_endWindow) {
            double f = Pitch_getValueAtTime (pitch, our d_startSelection, kPitch_unit_HERTZ, Pitch_LINEAR);
            if (NUMdefined (f)) {
                Graphics_setColour (our d_graphics, Graphics_RED);
                Graphics_line (our d_graphics, our d_startWindow - radius, f, our d_endWindow, f);
                Graphics_setTextAlignment (our d_graphics, Graphics_RIGHT, Graphics_HALF);
                Graphics_text1 (our d_graphics, our d_startWindow - radius, f, Melder_fixed (f, 2));
            }
        }

        /* Horizontal scaling lines. */

        Graphics_setColour (our d_graphics, Graphics_BLUE);
        Graphics_setLineType (our d_graphics, Graphics_DOTTED);
        Graphics_setTextAlignment (our d_graphics, Graphics_LEFT, Graphics_HALF);
        for (long f = df; f <= pitch -> ceiling; f += df) {
            Graphics_line (our d_graphics, our d_startWindow, f, our d_endWindow, f);
            Graphics_text2 (our d_graphics, our d_endWindow + radius/2, f, Melder_integer (f), L" Hz");
        }
        Graphics_setLineType (our d_graphics, Graphics_DRAWN);

        /* Show candidates. */

        for (it = it1; it <= it2; it ++) {
            Pitch_Frame frame = & pitch -> frame [it];
            double t = Sampled_indexToX (pitch, it);
            double f = frame -> candidate [1]. frequency;
            if (f > 0.0 && f < pitch -> ceiling) {
                Graphics_setColour (our d_graphics, Graphics_MAGENTA);
                Graphics_fillCircle_mm (our d_graphics, t, f, RADIUS * 2);
            }
            Graphics_setColour (our d_graphics, Graphics_BLACK);
            Graphics_setTextAlignment (our d_graphics, Graphics_CENTRE, Graphics_HALF);
            for (int icand = 1; icand <= frame -> nCandidates; icand ++) {
                int strength = (int) floor (10 * frame -> candidate [icand]. strength + 0.5);
                f = frame -> candidate [icand]. frequency;
                if (strength > 9) strength = 9;
                if (f > 0 && f <= pitch -> ceiling) Graphics_text1 (our d_graphics, t, f, Melder_integer (strength));
            }
        }
        Graphics_resetViewport (our d_graphics, previous);
    }

    /*
     * Show intensity.
     */
    {
        Graphics_Viewport previous = Graphics_insetViewport (our d_graphics, 0, 1, 1 - dyIntens, 1);
        Graphics_setWindow (our d_graphics, our d_startWindow, our d_endWindow, 0, 1);
        Graphics_setColour (our d_graphics, Graphics_BLACK);
        Graphics_setTextAlignment (our d_graphics, Graphics_RIGHT, Graphics_HALF);
        Graphics_text (our d_graphics, our d_startWindow, 0.5, L"intens");
        Graphics_setTextAlignment (our d_graphics, Graphics_LEFT, Graphics_HALF);
        Graphics_text (our d_graphics, our d_endWindow, 0.5, L"intens");
        Graphics_setTextAlignment (our d_graphics, Graphics_CENTRE, Graphics_HALF);
        for (it = it1; it <= it2; it ++) {
            Pitch_Frame frame = & pitch -> frame [it];
            double t = Sampled_indexToX (pitch, it);
            int strength = (int) floor (10 * frame -> intensity + 0.5);   // map 0.0-1.0 to 0-9
            if (strength > 9) strength = 9;
            Graphics_text1 (our d_graphics, t, 0.5, Melder_integer (strength));
        }
        Graphics_resetViewport (our d_graphics, previous);
    }

    if (it1 > 1) it1 -= 1;
    if (it2 < pitch -> nx) it2 += 1;

    /*
     * Show voicelessness.
     */
    {
        Graphics_Viewport previous = Graphics_insetViewport (our d_graphics, 0, 1, 0, dyUnv);
        Graphics_setColour (our d_graphics, Graphics_BLUE);
        Graphics_line (our d_graphics, our d_startWindow, 1, our d_endWindow, 1);
        Graphics_setTextAlignment (our d_graphics, Graphics_RIGHT, Graphics_HALF);
        Graphics_text (our d_graphics, our d_startWindow, 0.5, L"Unv");
        Graphics_setTextAlignment (our d_graphics, Graphics_LEFT, Graphics_HALF);
        Graphics_text (our d_graphics, our d_endWindow, 0.5, L"Unv");
        for (it = it1; it <= it2; it ++) {
            Pitch_Frame frame = & pitch -> frame [it];
            double t = Sampled_indexToX (pitch, it), tleft = t - 0.5 * pitch -> dx, tright = t + 0.5 * pitch -> dx;
            double f = frame -> candidate [1]. frequency;
            if ((f > 0.0 && f < pitch -> ceiling) || tright <= our d_startWindow || tleft >= our d_endWindow) continue;
            if (tleft < our d_startWindow) tleft = our d_startWindow;
            if (tright > our d_endWindow) tright = our d_endWindow;
            Graphics_fillRectangle (our d_graphics, tleft, tright, 0, 1);
        }
        Graphics_setColour (our d_graphics, Graphics_BLACK);
        Graphics_resetViewport (our d_graphics, previous);
    }
}
Exemplo n.º 5
0
void structSoundEditor :: v_draw () {
	Sampled data = (Sampled) this -> data;
	Graphics_Viewport viewport;
	bool showAnalysis = p_spectrogram_show || p_pitch_show || p_intensity_show || p_formant_show;
	Melder_assert (data);
	Melder_assert (d_sound.data || d_longSound.data);

	/*
	 * We check beforehand whether the window fits the LongSound buffer.
	 */
	if (d_longSound.data && d_endWindow - d_startWindow > d_longSound.data -> bufferLength) {
		Graphics_setColour (d_graphics.get(), Graphics_WHITE);
		Graphics_setWindow (d_graphics.get(), 0.0, 1.0, 0.0, 1.0);
		Graphics_fillRectangle (d_graphics.get(), 0.0, 1.0, 0.0, 1.0);
		Graphics_setColour (d_graphics.get(), Graphics_BLACK);
		Graphics_setTextAlignment (d_graphics.get(), Graphics_CENTRE, Graphics_BOTTOM);
		Graphics_text (d_graphics.get(), 0.5, 0.5,   U"(window longer than ", Melder_float (Melder_single (d_longSound.data -> bufferLength)), U" seconds)");
		Graphics_setTextAlignment (d_graphics.get(), Graphics_CENTRE, Graphics_TOP);
		Graphics_text (d_graphics.get(), 0.5, 0.5, U"(zoom in to see the samples)");
		return;
	}

	/* Draw sound. */

	if (showAnalysis)
		viewport = Graphics_insetViewport (d_graphics.get(), 0.0, 1.0, 0.5, 1.0);
	Graphics_setColour (d_graphics.get(), Graphics_WHITE);
	Graphics_setWindow (d_graphics.get(), 0.0, 1.0, 0.0, 1.0);
	Graphics_fillRectangle (d_graphics.get(), 0.0, 1.0, 0.0, 1.0);
	TimeSoundEditor_drawSound (this, d_sound.minimum, d_sound.maximum);
	Graphics_flushWs (d_graphics.get());
	if (showAnalysis)
		Graphics_resetViewport (d_graphics.get(), viewport);

	/* Draw analyses. */

	if (showAnalysis) {
		/* Draw spectrogram, pitch, formants. */
		viewport = Graphics_insetViewport (d_graphics.get(), 0.0, 1.0, 0.0, 0.5);
		v_draw_analysis ();
		Graphics_flushWs (d_graphics.get());
		Graphics_resetViewport (d_graphics.get(), viewport);
	}

	/* Draw pulses. */

	if (p_pulses_show) {
		if (showAnalysis)
			viewport = Graphics_insetViewport (d_graphics.get(), 0.0, 1.0, 0.5, 1.0);
		v_draw_analysis_pulses ();
		TimeSoundEditor_drawSound (this, d_sound.minimum, d_sound.maximum);   // second time, partially across the pulses
		Graphics_flushWs (d_graphics.get());
		if (showAnalysis)
			Graphics_resetViewport (d_graphics.get(), viewport);
	}

	/* Update buttons. */

	long first, last;
	long selectedSamples = Sampled_getWindowSamples (data, d_startSelection, d_endSelection, & first, & last);
	v_updateMenuItems_file ();
	if (d_sound.data) {
		GuiThing_setSensitive (cutButton     , selectedSamples != 0 && selectedSamples < d_sound.data -> nx);
		GuiThing_setSensitive (copyButton    , selectedSamples != 0);
		GuiThing_setSensitive (zeroButton    , selectedSamples != 0);
		GuiThing_setSensitive (reverseButton , selectedSamples != 0);
	}
}
Exemplo n.º 6
0
void TimeSoundEditor_drawSound (TimeSoundEditor me, double globalMinimum, double globalMaximum) {
	Sound sound = my d_sound.data;
	LongSound longSound = my d_longSound.data;
	Melder_assert (!! sound != !! longSound);
	int nchan = sound ? sound -> ny : longSound -> numberOfChannels;
	bool cursorVisible = my d_startSelection == my d_endSelection && my d_startSelection >= my d_startWindow && my d_startSelection <= my d_endWindow;
	Graphics_setColour (my d_graphics, Graphics_BLACK);
	bool fits;
	try {
		fits = sound ? true : LongSound_haveWindow (longSound, my d_startWindow, my d_endWindow);
	} catch (MelderError) {
		bool outOfMemory = !! str32str (Melder_getError (), U"memory");
		if (Melder_debug == 9) Melder_flushError (); else Melder_clearError ();
		Graphics_setWindow (my d_graphics, 0.0, 1.0, 0.0, 1.0);
		Graphics_setTextAlignment (my d_graphics, Graphics_CENTRE, Graphics_HALF);
		Graphics_text (my d_graphics, 0.5, 0.5, outOfMemory ? U"(out of memory)" : U"(cannot read sound file)");
		return;
	}
	if (! fits) {
		Graphics_setWindow (my d_graphics, 0.0, 1.0, 0.0, 1.0);
		Graphics_setTextAlignment (my d_graphics, Graphics_CENTRE, Graphics_HALF);
		Graphics_text (my d_graphics, 0.5, 0.5, U"(window too large; zoom in to see the data)");
		return;
	}
	long first, last;
	if (Sampled_getWindowSamples (sound ? (Sampled) sound : (Sampled) longSound, my d_startWindow, my d_endWindow, & first, & last) <= 1) {
		Graphics_setWindow (my d_graphics, 0.0, 1.0, 0.0, 1.0);
		Graphics_setTextAlignment (my d_graphics, Graphics_CENTRE, Graphics_HALF);
		Graphics_text (my d_graphics, 0.5, 0.5, U"(zoom out to see the data)");
		return;
	}
	const int numberOfVisibleChannels = nchan > 8 ? 8 : nchan;
	const int firstVisibleChannel = my d_sound.channelOffset + 1;
	int lastVisibleChannel = my d_sound.channelOffset + numberOfVisibleChannels;
	if (lastVisibleChannel > nchan) lastVisibleChannel = nchan;
	double maximumExtent = 0.0, visibleMinimum = 0.0, visibleMaximum = 0.0;
	if (my p_sound_scalingStrategy == kTimeSoundEditor_scalingStrategy_BY_WINDOW) {
		if (longSound)
			LongSound_getWindowExtrema (longSound, my d_startWindow, my d_endWindow, firstVisibleChannel, & visibleMinimum, & visibleMaximum);
		else
			Matrix_getWindowExtrema (sound, first, last, firstVisibleChannel, firstVisibleChannel, & visibleMinimum, & visibleMaximum);
		for (int ichan = firstVisibleChannel + 1; ichan <= lastVisibleChannel; ichan ++) {
			double visibleChannelMinimum, visibleChannelMaximum;
			if (longSound)
				LongSound_getWindowExtrema (longSound, my d_startWindow, my d_endWindow, ichan, & visibleChannelMinimum, & visibleChannelMaximum);
			else
				Matrix_getWindowExtrema (sound, first, last, ichan, ichan, & visibleChannelMinimum, & visibleChannelMaximum);
			if (visibleChannelMinimum < visibleMinimum)
				visibleMinimum = visibleChannelMinimum;
			if (visibleChannelMaximum > visibleMaximum)
				visibleMaximum = visibleChannelMaximum;
		}
		maximumExtent = visibleMaximum - visibleMinimum;
	}
	for (int ichan = firstVisibleChannel; ichan <= lastVisibleChannel; ichan ++) {
		double cursorFunctionValue = longSound ? 0.0 :
			Vector_getValueAtX (sound, 0.5 * (my d_startSelection + my d_endSelection), ichan, 70);
		/*
		 * BUG: this will only work for mono or stereo, until Graphics_function16 handles quadro.
		 */
		double ymin = (double) (numberOfVisibleChannels - ichan + my d_sound.channelOffset) / numberOfVisibleChannels;
		double ymax = (double) (numberOfVisibleChannels + 1 - ichan + my d_sound.channelOffset) / numberOfVisibleChannels;
		Graphics_Viewport vp = Graphics_insetViewport (my d_graphics, 0, 1, ymin, ymax);
		bool horizontal = false;
		double minimum = sound ? globalMinimum : -1.0, maximum = sound ? globalMaximum : 1.0;
		if (my p_sound_scalingStrategy == kTimeSoundEditor_scalingStrategy_BY_WINDOW) {
			if (nchan > 2) {
				if (longSound) {
					LongSound_getWindowExtrema (longSound, my d_startWindow, my d_endWindow, ichan, & minimum, & maximum);
				} else {
					Matrix_getWindowExtrema (sound, first, last, ichan, ichan, & minimum, & maximum);
				}
				if (maximumExtent > 0.0) {
					double middle = 0.5 * (minimum + maximum);
					minimum = middle - 0.5 * maximumExtent;
					maximum = middle + 0.5 * maximumExtent;
				}
			} else {
				minimum = visibleMinimum;
				maximum = visibleMaximum;
			}
		} else if (my p_sound_scalingStrategy == kTimeSoundEditor_scalingStrategy_BY_WINDOW_AND_CHANNEL) {
			if (longSound) {
				LongSound_getWindowExtrema (longSound, my d_startWindow, my d_endWindow, ichan, & minimum, & maximum);
			} else {
				Matrix_getWindowExtrema (sound, first, last, ichan, ichan, & minimum, & maximum);
			}
		} else if (my p_sound_scalingStrategy == kTimeSoundEditor_scalingStrategy_FIXED_HEIGHT) {
			if (longSound) {
				LongSound_getWindowExtrema (longSound, my d_startWindow, my d_endWindow, ichan, & minimum, & maximum);
			} else {
				Matrix_getWindowExtrema (sound, first, last, ichan, ichan, & minimum, & maximum);
			}
			double channelExtent = my p_sound_scaling_height;
			double middle = 0.5 * (minimum + maximum);
			minimum = middle - 0.5 * channelExtent;
			maximum = middle + 0.5 * channelExtent;
		} else if (my p_sound_scalingStrategy == kTimeSoundEditor_scalingStrategy_FIXED_RANGE) {
			minimum = my p_sound_scaling_minimum;
			maximum = my p_sound_scaling_maximum;
		}
		if (minimum == maximum) { horizontal = true; minimum -= 1.0; maximum += 1.0;}
		Graphics_setWindow (my d_graphics, my d_startWindow, my d_endWindow, minimum, maximum);
		if (horizontal) {
			Graphics_setTextAlignment (my d_graphics, Graphics_RIGHT, Graphics_HALF);
			double mid = 0.5 * (minimum + maximum);
			Graphics_text (my d_graphics, my d_startWindow, mid, Melder_float (Melder_half (mid)));
		} else {
			if (! cursorVisible || ! NUMdefined (cursorFunctionValue) || Graphics_dyWCtoMM (my d_graphics, cursorFunctionValue - minimum) > 5.0) {
				Graphics_setTextAlignment (my d_graphics, Graphics_RIGHT, Graphics_BOTTOM);
				Graphics_text (my d_graphics, my d_startWindow, minimum, Melder_float (Melder_half (minimum)));
			}
			if (! cursorVisible || ! NUMdefined (cursorFunctionValue) || Graphics_dyWCtoMM (my d_graphics, maximum - cursorFunctionValue) > 5.0) {
				Graphics_setTextAlignment (my d_graphics, Graphics_RIGHT, Graphics_TOP);
				Graphics_text (my d_graphics, my d_startWindow, maximum, Melder_float (Melder_half (maximum)));
			}
		}
		if (minimum < 0 && maximum > 0 && ! horizontal) {
			Graphics_setWindow (my d_graphics, 0, 1, minimum, maximum);
			if (! cursorVisible || ! NUMdefined (cursorFunctionValue) || fabs (Graphics_dyWCtoMM (my d_graphics, cursorFunctionValue - 0.0)) > 3.0) {
				Graphics_setTextAlignment (my d_graphics, Graphics_RIGHT, Graphics_HALF);
				Graphics_text (my d_graphics, 0, 0, U"0");
			}
			Graphics_setColour (my d_graphics, Graphics_CYAN);
			Graphics_setLineType (my d_graphics, Graphics_DOTTED);
			Graphics_line (my d_graphics, 0, 0, 1, 0);
			Graphics_setLineType (my d_graphics, Graphics_DRAWN);
		}
		/*
		 * Garnish the drawing area of each channel.
		 */
		Graphics_setWindow (my d_graphics, 0, 1, 0, 1);
		Graphics_setColour (my d_graphics, Graphics_CYAN);
		Graphics_innerRectangle (my d_graphics, 0, 1, 0, 1);
		Graphics_setColour (my d_graphics, Graphics_BLACK);
		if (nchan > 1) {
			Graphics_setTextAlignment (my d_graphics, Graphics_LEFT, Graphics_HALF);
			const char32 *channelName = my v_getChannelName (ichan);
			static MelderString channelLabel;
			MelderString_copy (& channelLabel, ( channelName ? U"ch" : U"Channel " ), ichan);
			if (channelName)
				MelderString_append (& channelLabel, U": ", channelName);
			if (ichan > 8 && ichan - my d_sound.channelOffset == 1) {
				MelderString_append (& channelLabel, U" " UNITEXT_UPWARDS_ARROW);
			} else if (ichan >= 8 && ichan - my d_sound.channelOffset == 8 && ichan < nchan) {
				MelderString_append (& channelLabel, U" " UNITEXT_DOWNWARDS_ARROW);
			}
			Graphics_text (my d_graphics, 1, 0.5, channelLabel.string);
		}
		/*
		 * Draw a very thin separator line underneath.
		 */
		if (ichan < nchan) {
			/*Graphics_setColour (d_graphics, Graphics_BLACK);*/
			Graphics_line (my d_graphics, 0, 0, 1, 0);
		}
		/*
		 * Draw the samples.
		 */
		/*if (ichan == 1) FunctionEditor_SoundAnalysis_drawPulses (this);*/
		if (sound) {
			Graphics_setWindow (my d_graphics, my d_startWindow, my d_endWindow, minimum, maximum);
			if (cursorVisible && NUMdefined (cursorFunctionValue))
				FunctionEditor_drawCursorFunctionValue (me, cursorFunctionValue, Melder_float (Melder_half (cursorFunctionValue)), U"");
			Graphics_setColour (my d_graphics, Graphics_BLACK);
			Graphics_function (my d_graphics, sound -> z [ichan], first, last,
				Sampled_indexToX (sound, first), Sampled_indexToX (sound, last));
		} else {
			Graphics_setWindow (my d_graphics, my d_startWindow, my d_endWindow, minimum * 32768, maximum * 32768);
			Graphics_function16 (my d_graphics,
				longSound -> buffer - longSound -> imin * nchan + (ichan - 1), nchan - 1, first, last,
				Sampled_indexToX (longSound, first), Sampled_indexToX (longSound, last));
		}
		Graphics_resetViewport (my d_graphics, vp);
	}
	Graphics_setWindow (my d_graphics, 0.0, 1.0, 0.0, 1.0);
	Graphics_rectangle (my d_graphics, 0.0, 1.0, 0.0, 1.0);
}
Exemplo n.º 7
0
void SoundEditor::draw () {
	long first, last, selectedSamples;
	Graphics_Viewport viewport;
	int showAnalysis = _spectrogram.show || _pitch.show || _intensity.show || _formant.show;
	Melder_assert (_data != NULL);
	Melder_assert (_sound.data != NULL || _longSound.data != NULL);

	/*
	 * We check beforehand whether the window fits the LongSound buffer.
	 */
	if (_longSound.data && _endWindow - _startWindow > _longSound.data -> bufferLength) {
		Graphics_setColour (_graphics, Graphics_WHITE);
		Graphics_setWindow (_graphics, 0, 1, 0, 1);
		Graphics_fillRectangle (_graphics, 0, 1, 0, 1);
		Graphics_setColour (_graphics, Graphics_BLACK);
		Graphics_setTextAlignment (_graphics, Graphics_CENTRE, Graphics_BOTTOM);
		Graphics_text3 (_graphics, 0.5, 0.5, L"(window longer than ", Melder_float (Melder_single (_longSound.data -> bufferLength)), L" seconds)");
		Graphics_setTextAlignment (_graphics, Graphics_CENTRE, Graphics_TOP);
		Graphics_text1 (_graphics, 0.5, 0.5, L"(zoom in to see the samples)");
		return;
	}

	/* Draw sound. */

	if (showAnalysis)
		viewport = Graphics_insetViewport (_graphics, 0, 1, 0.5, 1);
	Graphics_setColour (_graphics, Graphics_WHITE);
	Graphics_setWindow (_graphics, 0, 1, 0, 1);
	Graphics_fillRectangle (_graphics, 0, 1, 0, 1);
	draw_sound (_sound.minimum, _sound.maximum);
	Graphics_flushWs (_graphics);
	if (showAnalysis)
		Graphics_resetViewport (_graphics, viewport);

	/* Draw analyses. */

	if (showAnalysis) {
		/* Draw spectrogram, pitch, formants. */
		viewport = Graphics_insetViewport (_graphics, 0, 1, 0, 0.5);
		draw_analysis ();
		Graphics_flushWs (_graphics);
		Graphics_resetViewport (_graphics, viewport);
	}

	/* Draw pulses. */

	if (_pulses.show) {
		if (showAnalysis)
			viewport = Graphics_insetViewport (_graphics, 0, 1, 0.5, 1);
		draw_analysis_pulses ();
		draw_sound (_sound.minimum, _sound.maximum);   /* Second time, partially across the pulses. */
		Graphics_flushWs (_graphics);
		if (showAnalysis)
			Graphics_resetViewport (_graphics, viewport);
	}

	/* Update buttons. */

	selectedSamples = Sampled_getWindowSamples (_data, _startSelection, _endSelection, & first, & last);
	updateMenuItems_file ();
	if (_sound.data) {
		GuiObject_setSensitive (_cutButton, selectedSamples != 0 && selectedSamples < _sound.data -> nx);
		GuiObject_setSensitive (_copyButton, selectedSamples != 0);
		GuiObject_setSensitive (_zeroButton, selectedSamples != 0);
		GuiObject_setSensitive (_reverseButton, selectedSamples != 0);
	}
}
Exemplo n.º 8
0
Sound Artword_Speaker_to_Sound (Artword artword, Speaker speaker,
	double fsamp, int oversampling,
	Sound *out_w1, int iw1, Sound *out_w2, int iw2, Sound *out_w3, int iw3,
	Sound *out_p1, int ip1, Sound *out_p2, int ip2, Sound *out_p3, int ip3,
	Sound *out_v1, int iv1, Sound *out_v2, int iv2, Sound *out_v3, int iv3)
{
	try {
		autoSound result = Sound_createSimple (1, artword -> totalTime, fsamp);
		long numberOfSamples = result -> nx;
		double minTract [1+78], maxTract [1+78];   /* For drawing. */
		double Dt = 1 / fsamp / oversampling,
			rho0 = 1.14,
			c = 353,
			onebyc2 = 1.0 / (c * c),
			rho0c2 = rho0 * c * c,
			halfDt = 0.5 * Dt,
			twoDt = 2 * Dt,
			halfc2Dt = 0.5 * c * c * Dt,
			twoc2Dt = 2 * c * c * Dt,
			onebytworho0 = 1.0 / (2.0 * rho0),
			Dtbytworho0 = Dt / (2.0 * rho0);
		double tension, rrad, onebygrad, totalVolume;
		autoArt art = Art_create ();
		long sample;
		int n, m, M;
		autoDelta delta = Speaker_to_Delta (speaker);
		autoMelderMonitor monitor (U"Articulatory synthesis");
		Artword_intoArt (artword, art.peek(), 0.0);
		Art_Speaker_intoDelta (art.peek(), speaker, delta.peek());
		M = delta -> numberOfTubes;
		autoSound w1, w2, w3, p1, p2, p3, v1, v2, v3;
		if (iw1 > 0 && iw1 <= M) w1.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else iw1 = 0;
		if (iw2 > 0 && iw2 <= M) w2.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else iw2 = 0;
		if (iw3 > 0 && iw3 <= M) w3.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else iw3 = 0;
		if (ip1 > 0 && ip1 <= M) p1.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else ip1 = 0;
		if (ip2 > 0 && ip2 <= M) p2.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else ip2 = 0;
		if (ip3 > 0 && ip3 <= M) p3.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else ip3 = 0;
		if (iv1 > 0 && iv1 <= M) v1.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else iv1 = 0;
		if (iv2 > 0 && iv2 <= M) v2.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else iv2 = 0;
		if (iv3 > 0 && iv3 <= M) v3.reset (Sound_createSimple (1, artword -> totalTime, fsamp)); else iv3 = 0;
		/* Initialize drawing. */
		{ int i; for (i = 1; i <= 78; i ++) { minTract [i] = 100; maxTract [i] = -100; } }
		totalVolume = 0.0;
		for (m = 1; m <= M; m ++) {
			Delta_Tube t = delta->tube + m;
			if (! t -> left1 && ! t -> right1) continue;
			t->Dx = t->Dxeq; t->dDxdt = 0;   /* 5.113 */
			t->Dy = t->Dyeq; t->dDydt = 0;   /* 5.113 */
			t->Dz = t->Dzeq;   /* 5.113 */
			t->A = t->Dz * ( t->Dy >= t->dy ? t->Dy + Dymin :
				t->Dy <= - t->dy ? Dymin :
				(t->dy + t->Dy) * (t->dy + t->Dy) / (4 * t->dy) + Dymin );   /* 4.4, 4.5 */
			#if EQUAL_TUBE_WIDTHS
				t->A = 0.0001;
			#endif
			t->Jleft = t->Jright = 0;   /* 5.113 */
			t->Qleft = t->Qright = rho0c2;   /* 5.113 */
			t->pleft = t->pright = 0;   /* 5.114 */
			t->Kleft = t->Kright = 0;   /* 5.114 */
			t->V = t->A * t->Dx;   /* 5.114 */
			totalVolume += t->V;
		}
		//Melder_casual (U"Starting volume: ", totalVolume * 1000, U" litres.");
		for (sample = 1; sample <= numberOfSamples; sample ++) {
			double time = (sample - 1) / fsamp;
			Artword_intoArt (artword, art.peek(), time);
			Art_Speaker_intoDelta (art.peek(), speaker, delta.peek());
			if (sample % MONITOR_SAMPLES == 0 && monitor.graphics()) {   // because we can be in batch
				Graphics graphics = monitor.graphics();
				double area [1+78];
				Graphics_Viewport vp;
				for (int i = 1; i <= 78; i ++) {
					area [i] = delta -> tube [i]. A;
					if (area [i] < minTract [i]) minTract [i] = area [i];
					if (area [i] > maxTract [i]) maxTract [i] = area [i];
				}
				Graphics_clearWs (graphics);

				vp = Graphics_insetViewport (monitor.graphics(), 0, 0.5, 0.5, 1);
				Graphics_setWindow (graphics, 0, 1, 0, 0.05);
				Graphics_setColour (graphics, Graphics_RED);
				Graphics_function (graphics, minTract, 1, 35, 0, 0.9);
				Graphics_function (graphics, maxTract, 1, 35, 0, 0.9);
				Graphics_setColour (graphics, Graphics_BLACK);
				Graphics_function (graphics, area, 1, 35, 0, 0.9);
				Graphics_setLineType (graphics, Graphics_DOTTED);
				Graphics_line (graphics, 0, 0, 1, 0);
				Graphics_setLineType (graphics, Graphics_DRAWN);
				Graphics_resetViewport (graphics, vp);

				vp = Graphics_insetViewport (graphics, 0, 0.5, 0, 0.5);
				Graphics_setWindow (graphics, 0, 1, -0.000003, 0.00001);
				Graphics_setColour (graphics, Graphics_RED);
				Graphics_function (graphics, minTract, 36, 37, 0.2, 0.8);
				Graphics_function (graphics, maxTract, 36, 37, 0.2, 0.8);
				Graphics_setColour (graphics, Graphics_BLACK);
				Graphics_function (graphics, area, 36, 37, 0.2, 0.8);
				Graphics_setLineType (graphics, Graphics_DOTTED);
				Graphics_line (graphics, 0, 0, 1, 0);
				Graphics_setLineType (graphics, Graphics_DRAWN);
				Graphics_resetViewport (graphics, vp);

				vp = Graphics_insetViewport (graphics, 0.5, 1, 0.5, 1);
				Graphics_setWindow (graphics, 0, 1, 0, 0.001);
				Graphics_setColour (graphics, Graphics_RED);
				Graphics_function (graphics, minTract, 38, 64, 0, 1);
				Graphics_function (graphics, maxTract, 38, 64, 0, 1);
				Graphics_setColour (graphics, Graphics_BLACK);
				Graphics_function (graphics, area, 38, 64, 0, 1);
				Graphics_setLineType (graphics, Graphics_DOTTED);
				Graphics_line (graphics, 0, 0, 1, 0);
				Graphics_setLineType (graphics, Graphics_DRAWN);
				Graphics_resetViewport (graphics, vp);

				vp = Graphics_insetViewport (graphics, 0.5, 1, 0, 0.5);
				Graphics_setWindow (graphics, 0, 1, 0.001, 0);
				Graphics_setColour (graphics, Graphics_RED);
				Graphics_function (graphics, minTract, 65, 78, 0.5, 1);
				Graphics_function (graphics, maxTract, 65, 78, 0.5, 1);
				Graphics_setColour (graphics, Graphics_BLACK);
				Graphics_function (graphics, area, 65, 78, 0.5, 1);
				Graphics_setLineType (graphics, Graphics_DRAWN);
				Graphics_resetViewport (graphics, vp);
				Melder_monitor ((double) sample / numberOfSamples, U"Articulatory synthesis: ", Melder_half (time), U" seconds");
			}
			for (n = 1; n <= oversampling; n ++) {
				for (m = 1; m <= M; m ++) {
					Delta_Tube t = delta -> tube + m;
					if (! t -> left1 && ! t -> right1) continue;

					/* New geometry. */

					#if CONSTANT_TUBE_LENGTHS
						t->Dxnew = t->Dx;
					#else
						t->dDxdtnew = (t->dDxdt + Dt * 10000 * (t->Dxeq - t->Dx)) /
							(1 + 200 * Dt);   /* Critical damping, 10 ms. */
						t->Dxnew = t->Dx + t->dDxdtnew * Dt;
					#endif
					/* 3-way: equal lengths. */
					/* This requires left tubes to be processed before right tubes. */
					if (t->left1 && t->left1->right2) t->Dxnew = t->left1->Dxnew;
					t->Dz = t->Dzeq;   /* immediate... */
					t->eleft = (t->Qleft - t->Kleft) * t->V;   /* 5.115 */
					t->eright = (t->Qright - t->Kright) * t->V;   /* 5.115 */
					t->e = 0.5 * (t->eleft + t->eright);   /* 5.116 */
					t->p = 0.5 * (t->pleft + t->pright);   /* 5.116 */
					t->DeltaP = t->e / t->V - rho0c2;   /* 5.117 */
					t->v = t->p / (rho0 + onebyc2 * t->DeltaP);   /* 5.118 */
					{
						double dDy = t->Dyeq - t->Dy;
						double cubic = t->k3 * dDy * dDy;
						Delta_Tube l1 = t->left1, l2 = t->left2, r1 = t->right1, r2 = t->right2;
						tension = dDy * (t->k1 + cubic);
						t->B = 2 * t->Brel * sqrt (t->mass * (t->k1 + 3 * cubic));
						if (t->k1left1 != 0.0 && l1)
							tension += t->k1left1 * t->k1 * (dDy - (l1->Dyeq - l1->Dy));
						if (t->k1left2 != 0.0 && l2)
							tension += t->k1left2 * t->k1 * (dDy - (l2->Dyeq - l2->Dy));
						if (t->k1right1 != 0.0 && r1)
							tension += t->k1right1 * t->k1 * (dDy - (r1->Dyeq - r1->Dy));
						if (t->k1right2 != 0.0 && r2)
							tension += t->k1right2 * t->k1 * (dDy - (r2->Dyeq - r2->Dy));
					}
					if (t->Dy < t->dy) {
						if (t->Dy >= - t->dy) {
							double dDy = t->dy - t->Dy, dDy2 = dDy * dDy;
							tension += dDy2 / (4 * t->dy) * (t->s1 + 0.5 * t->s3 * dDy2);
							t->B += 2 * dDy / (2 * t->dy) *
								sqrt (t->mass * (t->s1 + t->s3 * dDy2));
						} else {
							tension -= t->Dy * (t->s1 + t->s3 * (t->Dy * t->Dy + t->dy * t->dy));
							t->B += 2 * sqrt (t->mass * (t->s1 + t->s3 * (3 * t->Dy * t->Dy + t->dy * t->dy)));
						}
					}
					t->dDydtnew = (t->dDydt + Dt / t->mass * (tension + 2 * t->DeltaP * t->Dz * t->Dx)) /
						(1 + t->B * Dt / t->mass);   /* 5.119 */
					t->Dynew = t->Dy + t->dDydtnew * Dt;   /* 5.119 */
					#if NO_MOVING_WALLS
						t->Dynew = t->Dy;
					#endif
					t->Anew = t->Dz * ( t->Dynew >= t->dy ? t->Dynew + Dymin :
						t->Dynew <= - t->dy ? Dymin :
						(t->dy + t->Dynew) * (t->dy + t->Dynew) / (4 * t->dy) + Dymin );   /* 4.4, 4.5 */
					#if EQUAL_TUBE_WIDTHS
						t->Anew = 0.0001;
					#endif
					t->Ahalf = 0.5 * (t->A + t->Anew);   /* 5.120 */
					t->Dxhalf = 0.5 * (t->Dxnew + t->Dx);   /* 5.121 */
					t->Vnew = t->Anew * t->Dxnew;   /* 5.128 */
					{ double oneByDyav = t->Dz / t->A;
					/*t->R = 12 * 1.86e-5 * t->parallel * t->parallel * oneByDyav * oneByDyav;*/
					if (t->Dy < 0)
						t->R = 12 * 1.86e-5 / (Dymin * Dymin + t->dy * t->dy);
					else
						t->R = 12 * 1.86e-5 * t->parallel * t->parallel /
							((t->Dy + Dymin) * (t->Dy + Dymin) + t->dy * t->dy);
					t->R += 0.3 * t->parallel * oneByDyav;   /* 5.23 */ }
					t->r = (1 + t->R * Dt / rho0) * t->Dxhalf / t->Anew;   /* 5.122 */
					t->ehalf = t->e + halfc2Dt * (t->Jleft - t->Jright);   /* 5.123 */
					t->phalf = (t->p + halfDt * (t->Qleft - t->Qright) / t->Dx) / (1 + Dtbytworho0 * t->R);   /* 5.123 */
					#if MASS_LEAPFROG
						t->ehalf = t->ehalfold + 2 * halfc2Dt * (t->Jleft - t->Jright);
					#endif
					t->Jhalf = t->phalf * t->Ahalf;   /* 5.124 */
					t->Qhalf = t->ehalf / (t->Ahalf * t->Dxhalf) + onebytworho0 * t->phalf * t->phalf;   /* 5.124 */
					#if NO_BERNOULLI_EFFECT
						t->Qhalf = t->ehalf / (t->Ahalf * t->Dxhalf);
					#endif
				}
				for (m = 1; m <= M; m ++) {   /* Compute Jleftnew and Qleftnew. */
					Delta_Tube l = delta->tube + m, r1 = l -> right1, r2 = l -> right2, r = r1;
					Delta_Tube l1 = l, l2 = r ? r -> left2 : NULL;
					if (l->left1 == NULL) {   /* Closed boundary at the left side (diaphragm)? */
						if (r == NULL) continue;   /* Tube not connected at all. */
						l->Jleftnew = 0;   /* 5.132. */
						l->Qleftnew = (l->eleft - twoc2Dt * l->Jhalf) / l->Vnew;   /* 5.132. */
					}
					else   /* Left boundary open to another tube will be handled... */
						(void) 0;   /* ...together with the right boundary of the tube to the left. */
					if (r == NULL) {   /* Open boundary at the right side (lips, nostrils)? */
						rrad = 1 - c * Dt / 0.02;   /* Radiation resistance, 5.135. */
						onebygrad = 1 / (1 + c * Dt / 0.02);   /* Radiation conductance, 5.135. */
						#if NO_RADIATION_DAMPING
							rrad = 0;
							onebygrad = 0;
						#endif
						l->prightnew = ((l->Dxhalf / Dt + c * onebygrad) * l->pright +
							 2 * ((l->Qhalf - rho0c2) - (l->Qright - rho0c2) * onebygrad)) /
							(l->r * l->Anew / Dt + c * onebygrad);   /* 5.136 */
						l->Jrightnew = l->prightnew * l->Anew;   /* 5.136 */
						l->Qrightnew = (rrad * (l->Qright - rho0c2) +
							c * (l->prightnew - l->pright)) * onebygrad + rho0c2;   /* 5.136 */
					} else if (l2 == NULL && r2 == NULL) {   /* Two-way boundary. */
						if (l->v > criticalVelocity && l->A < r->A) {
							l->Pturbrightnew = -0.5 * rho0 * (l->v - criticalVelocity) *
								(1 - l->A / r->A) * (1 - l->A / r->A) * l->v;
							if (l->Pturbrightnew != 0.0)
								l->Pturbrightnew *= 1 + NUMrandomGauss (0, noiseFactor) /* * l->A */;
						}
						if (r->v < - criticalVelocity && r->A < l->A) {
							l->Pturbrightnew = 0.5 * rho0 * (r->v + criticalVelocity) *
								(1 - r->A / l->A) * (1 - r->A / l->A) * r->v;
							if (l->Pturbrightnew != 0.0)
								l->Pturbrightnew *= 1 + NUMrandomGauss (0, noiseFactor) /* * r->A */;
						}
						#if NO_TURBULENCE
							l->Pturbrightnew = 0;
						#endif
						l->Jrightnew = r->Jleftnew =
							(l->Dxhalf * l->pright + r->Dxhalf * r->pleft +
							 twoDt * (l->Qhalf - r->Qhalf + l->Pturbright)) /
							(l->r + r->r);   /* 5.127 */
						#if B91
							l->Jrightnew = r->Jleftnew =
								(l->pright + r->pleft +
								 2 * twoDt * (l->Qhalf - r->Qhalf + l->Pturbright) / (l->Dxhalf + r->Dxhalf)) /
								(l->r / l->Dxhalf + r->r / r->Dxhalf);
						#endif
						l->prightnew = l->Jrightnew / l->Anew;   /* 5.128 */
						r->pleftnew = r->Jleftnew / r->Anew;   /* 5.128 */
						l->Krightnew = onebytworho0 * l->prightnew * l->prightnew;   /* 5.128 */
						r->Kleftnew = onebytworho0 * r->pleftnew * r->pleftnew;   /* 5.128 */
						#if NO_BERNOULLI_EFFECT
							l->Krightnew = r->Kleftnew = 0;
						#endif
						l->Qrightnew =
							(l->eright + r->eleft + twoc2Dt * (l->Jhalf - r->Jhalf)
							 + l->Krightnew * l->Vnew + (r->Kleftnew - l->Pturbrightnew) * r->Vnew) /
							(l->Vnew + r->Vnew);   /* 5.131 */
						r->Qleftnew = l->Qrightnew + l->Pturbrightnew;   /* 5.131 */
					} else if (r2) {   /* Two adjacent tubes at the right side (velic). */
						r1->Jleftnew =
							(r1->Jleft * r1->Dxhalf * (1 / (l->A + r2->A) + 1 / r1->A) +
							 twoDt * ((l->Ahalf * l->Qhalf + r2->Ahalf * r2->Qhalf ) / (l->Ahalf  + r2->Ahalf) - r1->Qhalf)) /
							(1 / (1 / l->r + 1 / r2->r) + r1->r);   /* 5.138 */
						r2->Jleftnew =
							(r2->Jleft * r2->Dxhalf * (1 / (l->A + r1->A) + 1 / r2->A) +
							 twoDt * ((l->Ahalf * l->Qhalf + r1->Ahalf * r1->Qhalf ) / (l->Ahalf  + r1->Ahalf) - r2->Qhalf)) /
							(1 / (1 / l->r + 1 / r1->r) + r2->r);   /* 5.138 */
						l->Jrightnew = r1->Jleftnew + r2->Jleftnew;   /* 5.139 */
						l->prightnew = l->Jrightnew / l->Anew;   /* 5.128 */
						r1->pleftnew = r1->Jleftnew / r1->Anew;   /* 5.128 */
						r2->pleftnew = r2->Jleftnew / r2->Anew;   /* 5.128 */
						l->Krightnew = onebytworho0 * l->prightnew * l->prightnew;   /* 5.128 */
						r1->Kleftnew = onebytworho0 * r1->pleftnew * r1->pleftnew;   /* 5.128 */
						r2->Kleftnew = onebytworho0 * r2->pleftnew * r2->pleftnew;   /* 5.128 */
						#if NO_BERNOULLI_EFFECT
							l->Krightnew = r1->Kleftnew = r2->Kleftnew = 0;
						#endif
						l->Qrightnew = r1->Qleftnew = r2->Qleftnew =
							(l->eright + r1->eleft + r2->eleft + twoc2Dt * (l->Jhalf - r1->Jhalf - r2->Jhalf) +
							 l->Krightnew * l->Vnew + r1->Kleftnew * r1->Vnew + r2->Kleftnew * r2->Vnew) /
							(l->Vnew + r1->Vnew + r2->Vnew);   /* 5.137 */
					} else {
						Melder_assert (l2 != NULL);
						l1->Jrightnew =
							(l1->Jright * l1->Dxhalf * (1 / (r->A + l2->A) + 1 / l1->A) -
							 twoDt * ((r->Ahalf * r->Qhalf + l2->Ahalf * l2->Qhalf ) / (r->Ahalf  + l2->Ahalf) - l1->Qhalf)) /
							(1 / (1 / r->r + 1 / l2->r) + l1->r);   /* 5.138 */
						l2->Jrightnew =
							(l2->Jright * l2->Dxhalf * (1 / (r->A + l1->A) + 1 / l2->A) -
							 twoDt * ((r->Ahalf * r->Qhalf + l1->Ahalf  * l1->Qhalf ) / (r->Ahalf  + l1->Ahalf) - l2->Qhalf)) /
							(1 / (1 / r->r + 1 / l1->r) + l2->r);   /* 5.138 */
						r->Jleftnew = l1->Jrightnew + l2->Jrightnew;   /* 5.139 */
						r->pleftnew = r->Jleftnew / r->Anew;   /* 5.128 */
						l1->prightnew = l1->Jrightnew / l1->Anew;   /* 5.128 */
						l2->prightnew = l2->Jrightnew / l2->Anew;   /* 5.128 */
						r->Kleftnew = onebytworho0 * r->pleftnew * r->pleftnew;   /* 5.128 */
						l1->Krightnew = onebytworho0 * l1->prightnew * l1->prightnew;   /* 5.128 */
						l2->Krightnew = onebytworho0 * l2->prightnew * l2->prightnew;   /* 5.128 */
						#if NO_BERNOULLI_EFFECT
							r->Kleftnew = l1->Krightnew = l2->Krightnew = 0;
						#endif
						r->Qleftnew = l1->Qrightnew = l2->Qrightnew =
							(r->eleft + l1->eright + l2->eright + twoc2Dt * (l1->Jhalf + l2->Jhalf - r->Jhalf) +
							 r->Kleftnew * r->Vnew + l1->Krightnew * l1->Vnew + l2->Krightnew * l2->Vnew) /
							(r->Vnew + l1->Vnew + l2->Vnew);   /* 5.137 */
					}
				}

				/* Save some results. */

				if (n == (oversampling + 1) / 2) {
					double out = 0.0;
					for (m = 1; m <= M; m ++) {
						Delta_Tube t = delta->tube + m;
						out += rho0 * t->Dx * t->Dz * t->dDydt * Dt * 1000;   /* Radiation of wall movement, 5.140. */
						if (t->right1 == NULL)
							out += t->Jrightnew - t->Jright;   /* Radiation of open tube end. */
					}
					result -> z [1] [sample] = out /= 4 * NUMpi * 0.4 * Dt;   /* At 0.4 metres. */
					if (iw1) w1 -> z [1] [sample] = delta->tube[iw1].Dy;
					if (iw2) w2 -> z [1] [sample] = delta->tube[iw2].Dy;
					if (iw3) w3 -> z [1] [sample] = delta->tube[iw3].Dy;
					if (ip1) p1 -> z [1] [sample] = delta->tube[ip1].DeltaP;
					if (ip2) p2 -> z [1] [sample] = delta->tube[ip2].DeltaP;
					if (ip3) p3 -> z [1] [sample] = delta->tube[ip3].DeltaP;
					if (iv1) v1 -> z [1] [sample] = delta->tube[iv1].v;
					if (iv2) v2 -> z [1] [sample] = delta->tube[iv2].v;
					if (iv3) v3 -> z [1] [sample] = delta->tube[iv3].v;
				}
				for (m = 1; m <= M; m ++) {
					Delta_Tube t = delta->tube + m;
					t->Jleft = t->Jleftnew;
					t->Jright = t->Jrightnew;
					t->Qleft = t->Qleftnew;
					t->Qright = t->Qrightnew;
					t->Dy = t->Dynew;
					t->dDydt = t->dDydtnew;
					t->A = t->Anew;
					t->Dx = t->Dxnew;
					t->dDxdt = t->dDxdtnew;
					t->eleft = t->eleftnew;
					t->eright = t->erightnew;
					#if MASS_LEAPFROG
						t->ehalfold = t->ehalf;
					#endif
					t->pleft = t->pleftnew;
					t->pright = t->prightnew;
					t->Kleft = t->Kleftnew;
					t->Kright = t->Krightnew;
					t->V = t->Vnew;
					t->Pturbright = t->Pturbrightnew;
				}
			}
		}
		totalVolume = 0.0;
		for (m = 1; m <= M; m ++)
			totalVolume += delta->tube [m]. V;
		//Melder_casual (U"Ending volume: ", totalVolume * 1000, U" litres.");
		if (out_w1) *out_w1 = w1.transfer();
		if (out_w2) *out_w2 = w2.transfer();
		if (out_w3) *out_w3 = w3.transfer();
		if (out_p1) *out_p1 = p1.transfer();
		if (out_p2) *out_p2 = p2.transfer();
		if (out_p3) *out_p3 = p3.transfer();
		if (out_v1) *out_v1 = v1.transfer();
		if (out_v2) *out_v2 = v2.transfer();
		if (out_v3) *out_v3 = v3.transfer();
		return result.transfer();
	} catch (MelderError) {
		Melder_throw (artword, U" & ", speaker, U": articulatory synthesis not performed.");
	}
}