Header header
uint8[] audio_data
int32 bits_per_sample
int32 sample_rate
int32 number_of_channels
int32 number_of_frames
header
${description}
audio_data
${description}
bits_per_sample
${description}
sample_rate
${description}
number_of_channels
${description}
number_of_frames
${description}
${name of associated topic}
${name of associated topic}