1 | /** Computes the RMS volume of a group of signal sizes ranging from -1 to 1. */ |
2 | static double audio_rmsVolume(float[] raw) {
|
3 | if (empty(raw)) ret 0; |
4 | double sum = 0; |
5 | for (int ii=0; ii<raw.length; ii++) |
6 | sum += raw[ii]; |
7 | double average = sum/raw.length; |
8 | |
9 | double sumMeanSquare = 0d; |
10 | for (int ii=0; ii<raw.length; ii++) |
11 | sumMeanSquare += Math.pow(raw[ii]-average, 2d); |
12 | |
13 | double averageMeanSquare = sumMeanSquare/raw.length; |
14 | double rootMeanSquare = Math.sqrt(averageMeanSquare); |
15 | |
16 | return rootMeanSquare; |
17 | } |
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| Snippet ID: | #1009778 |
| Snippet name: | audio_rmsVolume |
| Eternal ID of this version: | #1009778/1 |
| Text MD5: | e37cae3e6a77ad16bab5b0150284ccdb |
| Author: | stefan |
| Category: | javax / audio |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2017-08-16 17:47:32 |
| Source code size: | 540 bytes / 17 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 444 / 498 |
| Referenced in: | [show references] |