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Adjust some settings

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This commit is contained in:
Travis Ralston 2021-03-25 17:30:44 -06:00
parent 1419ac6b69
commit 101679f647
2 changed files with 5 additions and 6 deletions
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4
src/components/views/voice_messages/LiveRecordingWaveform.tsx
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@ -49,12 +49,12 @@ export default class LiveRecordingWaveform extends React.PureComponent<IProps, I
const bars = arrayFastResample(Array.from(update.waveform), DOWNSAMPLE_TARGET); const bars = arrayFastResample(Array.from(update.waveform), DOWNSAMPLE_TARGET);
this.setState({ this.setState({
// The incoming data is between zero and one, but typically even screaming into a // The incoming data is between zero and one, but typically even screaming into a
// microphone won't send you over 0.6, so we "cap" the graph at about 0.35 for a // microphone won't send you over 0.6, so we "cap" the graph at about 0.50 for a
// point where the average user can still see feedback and be perceived as peaking // point where the average user can still see feedback and be perceived as peaking
// when talking "loudly". // when talking "loudly".
// //
// We multiply by 100 because the Waveform component wants values in 0-100 (percentages) // We multiply by 100 because the Waveform component wants values in 0-100 (percentages)
heights: bars.map(b => percentageOf(b, 0, 0.35) * 100), heights: bars.map(b => percentageOf(b, 0, 0.50) * 100),
}); });
}; };

7
src/voice/VoiceRecorder.ts
View file

@ -73,10 +73,9 @@ export class VoiceRecorder {
// The size of the audio buffer largely decides how quickly we push timing/waveform data // The size of the audio buffer largely decides how quickly we push timing/waveform data
// out of this class. Smaller buffers mean we update more frequently as we can't hold as // out of this class. Smaller buffers mean we update more frequently as we can't hold as
// many bytes. Larger buffers mean slower updates. For scale, 1024 gives us about 30Hz of // many bytes. Larger buffers mean slower updates. For scale, 1024 gives us about 30Hz of
// updates and 2048 gives us about 20Hz. We use 2048 because it updates frequently enough // updates and 2048 gives us about 20Hz. We use 1024 to get as close to perceived realtime
// to feel realtime (~20fps, which is what humans perceive as "realtime"). Must be a power // as possible. Must be a power of 2.
// of 2. this.recorderProcessor = this.recorderContext.createScriptProcessor(1024, CHANNELS, CHANNELS);
this.recorderProcessor = this.recorderContext.createScriptProcessor(2048, CHANNELS, CHANNELS);
// Connect our inputs and outputs // Connect our inputs and outputs
this.recorderSource.connect(this.recorderFFT); this.recorderSource.connect(this.recorderFFT);