OptionalchannelThe number of audio channels (1=mono, 2=stereo)
OptionalcodecThe audio codec to use
OptionalcontentThe type of audio content
OptionaldataAdditional data options for audio processing
OptionaldurationThe duration of each audio frame in milliseconds
OptionalframeThe size of each audio frame in samples
OptionalsampleThe sample rate SR_8K = 0, SR_16K = 1, SR_32K = 2, SR_48K = 3
Configuration parameters for audio streams