Supporting Audio Format

Audio Format	Description
16k_int16	The default audio format. The Signed 16 bit, 16,000, or 16KHz audio sampling rate in the wav format
16k_uint8	The Unsigned 8 bit, 16,000, or 16KHz audio sampling rate in the wav format
8k_int16	The Signed 16 bit, 8,000, or 8KHz audio sampling rate in the wav format.
8k_uint8	The Unsigned 8 bit, 8,000, or 8KHz audio sampling rate in the wav format.
mp3
flac
ogg_opus
ogg_vorbis