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Improve visible waveform for voice messages

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This tries to prioritize actual voice to decide the waveform, and clamps noise to zero to ensure the waveform doesn't have a perceptually noisy base.

In theory this better matches the overall voice message content.
This commit is contained in:
Travis Ralston 2021-05-13 22:20:08 -06:00
parent e38d27f64e
commit df7b598ca7
3 changed files with 27 additions and 14 deletions
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8
test/utils/arrays-test.ts
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@ -73,10 +73,10 @@ describe('arrays', () => {
// we'd be feeding a thousand values in and seeing what a curve of 250 values looks like,
// but that's not really feasible to manually verify accuracy.
[
{input: [2, 2, 0, 2, 2, 0, 2, 2, 0], output: [1, 1, 2, 1]}, // Odd -> Even
{input: [2, 2, 0, 2, 2, 0, 2, 2, 0], output: [1, 1, 2]}, // Odd -> Odd
{input: [2, 2, 0, 2, 2, 0, 2, 2], output: [1, 1, 2]}, // Even -> Odd
{input: [2, 2, 0, 2, 2, 0, 2, 2], output: [1, 2]}, // Even -> Even
{input: [4, 4, 1, 4, 4, 1, 4, 4, 1], output: [3, 3, 3, 3]}, // Odd -> Even
{input: [4, 4, 1, 4, 4, 1, 4, 4, 1], output: [3, 3, 3]}, // Odd -> Odd
{input: [4, 4, 1, 4, 4, 1, 4, 4], output: [3, 3, 3]}, // Even -> Odd
{input: [4, 4, 1, 4, 4, 1, 4, 4], output: [3, 3]}, // Even -> Even
].forEach((c, i) => expectSample(i, c.input, c.output, true));
});