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1 | !7 |
2 | |
3 | cmodule BaseDrumFinder > DynPrintLog { |
4 | new SimpleBaseDrumFinder2 finder; |
5 | double minBPM = 60, maxBPM = 200; |
6 | |
7 | start { |
8 | dm_requireLiveAudioFFT(); |
9 | |
10 | dm_vmBus_onMessage_q newAudioFrequencyImage(voidfunc(virtual BWImage img) { |
11 | float[] b = bwImageColumnBrightnesses_generic(img); |
12 | L<IntRange> ranges = finder.addFrequencyImageBrightnesses(b); |
13 | int[] gaps = intRangeStartGaps(ranges); |
14 | if (empty(gaps)) ret; |
15 | sort(gaps); |
16 | MultiSet<Int> ms = intArrayAsTreeMultiSet(gaps); |
17 | new Best<Int> best; |
18 | for (int gap : keys(ms)) |
19 | if (isBetween_double( |
20 | audio_frequencyImage_pixelsToBPM(gap), |
21 | minBPM, maxBPM)) |
22 | best.put(gap, ms.get(gap-1)+ms.get(gap)+ms.get(gap+1)); |
23 | Int gap = best!; |
24 | if (gap == null) ret with print("no fitting gaps"); |
25 | print(ms); |
26 | |
27 | double exactGap = weightedAverage_lit( |
28 | gap-1, ms.get(gap-1), |
29 | gap, ms.get(gap), |
30 | gap+1, ms.get(gap+1)); |
31 | double bpm = audio_frequencyImage_pixelsToBPM(exactGap); |
32 | |
33 | printVars_str(+gap, +exactGap, +bpm); |
34 | }); |
35 | } |
36 | } |
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Snippet ID: | #1025099 |
Snippet name: | Live Base Drum Finder 2 [dev.] |
Eternal ID of this version: | #1025099/13 |
Text MD5: | 537e8e0ae2d9462254f637cac8dde6b7 |
Transpilation MD5: | 88eede4118556662059f5c5603d7df81 |
Author: | stefan |
Category: | javax / audio analysis |
Type: | JavaX source code (Dynamic Module) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2019-09-05 19:19:52 |
Source code size: | 1140 bytes / 36 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 257 / 1286 |
Version history: | 12 change(s) |
Referenced in: | [show references] |