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!7 lib 1400132 // spectro edit compiled for Java 8 import net.bluecow.spectro.Clip; p-exp { File mp3 = william_silent("hello"); File wav = programFile("hello.wav"); if (!wav.exists()) mp3ToWAV_jave(mp3, wav); Clip clip = Clip.newInstance(wav); int w = clip.getFrameCount(), h = clip.getFrameFreqSamples(); int h2 = min(h, 250); BWImage img = new(w, h2); Rectangle region = new(0, 0, w, h); toClipCoords(region, clip); int endCol = region.x + region.width; int endRow = min(region.y + region.height, h2); print("y=" + region.y + " to " + endRow); for (int col = region.x; col < endCol; col++) { net.bluecow.spectro.Frame f = clip.getFrame(col); for (int row = region.y; row < endRow; row++) img.setPixel(col, h2-1-row, (float) f.getReal(row)); } showBWImage(img); } svoid toClipCoords(Rectangle r, Clip clip) { r.y = clip.getFrameFreqSamples() - (r.y + r.height); }
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Snippet ID: | #1018575 |
Snippet name: | FFT on audio Spike (OK) |
Eternal ID of this version: | #1018575/15 |
Text MD5: | 14af9ed50cbcfa5a435354019144d677 |
Transpilation MD5: | 64b501b8ed8ac7de51cef4c023641963 |
Author: | stefan |
Category: | javax / audio analysis |
Type: | JavaX source code (desktop) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2018-10-06 19:23:19 |
Source code size: | 992 bytes / 38 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 442 / 1093 |
Version history: | 14 change(s) |
Referenced in: | #1018580 - wavToFrequencyImage |