| 摘要 |
PROBLEM TO BE SOLVED: To accurately perform a decoding process on a reproduction side when a multichannel voice signal is compressed and encoded. SOLUTION: An audio area of an audio packet is composed of plural PPCM access units, which are each composed of PPCM sync information and a subpacket. The PPCM sync information includes an identifier identifying VBR or CBR, a sampling frequency fs and the number of quantized bits Qb, channel allocation information, etc. |
