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1 | // profileSamplingInterval: seconds per profile entry |
2 | static L<DoubleRange> audio_findSpeechPartsFromVolumeProfile(float[] profile, double profileSamplingInterval, O... _) {
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3 | optPar double volumeThreshold = 0.15; |
4 | //optPar double minSpeechDuration = 0.2; |
5 | optPar double minSilenceDuration = 0.5; |
6 | optPar double pre = 0.2; |
7 | optPar double post = 0.2; |
8 | |
9 | //int minSpeech = iround(minSpeechDuration/profileSamplingInterval); |
10 | int minSilence = iround(minSilenceDuration/profileSamplingInterval); |
11 | int preTicks = iround(pre/profileSamplingInterval); |
12 | int postTicks = iround(post/profileSamplingInterval); |
13 | |
14 | new BitSet bs; |
15 | for i over profile: |
16 | if (profile[i] >= volumeThreshold) |
17 | bs.set(i); |
18 | |
19 | removeNonStreaksFromBitSetShorterThan(bs, minSilence); |
20 | extendStreaksInBitSet(bs, preTicks, postTicks, l(profile)); |
21 | |
22 | ret map(bitSetStreaks(bs), r -> intToDoubleRange(profileSamplingInterval, r)); |
23 | } |
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| Snippet ID: | #1024610 |
| Snippet name: | audio_findSpeechPartsFromVolumeProfile |
| Eternal ID of this version: | #1024610/7 |
| Text MD5: | d50665368a1e3ca69e186d7ceb012462 |
| Transpilation MD5: | 87547eb884d4c6223deda325fc4f60d6 |
| Author: | stefan |
| Category: | javax / sound |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2019-08-21 14:31:34 |
| Source code size: | 936 bytes / 23 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 163 / 247 |
| Version history: | 6 change(s) |
| Referenced in: | [show references] |