samples in AC3 format
samples in alaw
samples in DTS format
samples in EAC3 format
samples in FLAC format (Since: 1.12)
samples in gsm format
samples in IEC958 frames (e.g. AC3)
samples in ima adpcm
samples in mpeg audio (but not AAC) format
samples in MPEG-2 AAC ADTS format
samples in MPEG-2 AAC raw format (Since: 1.12)
samples in MPEG-4 AAC ADTS format
samples in MPEG-4 AAC raw format (Since: 1.12)
samples in mulaw
samples in linear or float
The format of the samples in the ringbuffer.