| 摘要 |
PROBLEM TO BE SOLVED: To transmit music data to be a target of radio transmission without breaking the music data even if a disturbance wave exists on a radio communication path. SOLUTION: AAL music data D1 are transmitted by radio to wireless stereo headphones 3, and the state of line quality in the radio communication path is determined on the basis of a response from the wireless stereo headphones 3 to make it switchable whether to transmit by radio both base part data D1A obtained when compression is performed by a prescribed compression method in accordance with the state of the line quality and lossless codec added part data D1B obtained when a thinned error component is compressed during compression or transmit by radio only the base part data D1A. COPYRIGHT: (C)2008,JPO&INPIT
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