Methods
(static) downsampleAudio(buffer, sourceSampleRate, targetSampleRate) → {Float32Array}
Downsamples the audio to a target sample rate.
Inspired by the following blog post from the Lex team:
https://aws.amazon.com/blogs/machine-learning/capturing-voice-input-in-a-browser/
Parameters:
| Name | Type | Description |
|---|---|---|
buffer |
Float32Array | Input audio buffer |
sourceSampleRate |
float | Sample rate of the input audio buffer |
targetSampleRate |
float | Sample rate to try to convert to |
Returns:
Downsampled audio buffer
- Type
- Float32Array
(static) encodeWAV(buffer, targetSampleRate) → {DataView}
Converts audio data to WAV.
Inspired by the following blog post from the Lex team:
https://aws.amazon.com/blogs/machine-learning/capturing-voice-input-in-a-browser/
Parameters:
| Name | Type | Description |
|---|---|---|
buffer |
Float32Array | Input audio buffer |
targetSampleRate |
float | Sample rate for the output audio |
Returns:
Converted audio data
- Type
- DataView