Send audio to the group chat. Note that total size of pcm in bytes is equal to (samples * channels * sizeof(int16_t)).
Valid number of samples are ((sample rate) * (audio length (Valid ones are: 2.5, 5, 10, 20, 40 or 60 ms)) / 1000) Valid number of channels are 1 or 2. Valid sample rates are 8000, 12000, 16000, 24000, or 48000.
Recommended values are: samples = 960, channels = 1, sample_rate = 48000
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0 on success. |
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-1 on failure. |