An audio signal recording and reproducing apparatus |
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| 申请号 | EP88306344.8 | 申请日 | 1988-07-12 | 公开(公告)号 | EP0299711A3 | 公开(公告)日 | 1989-09-20 |
| 申请人 | MITSUBISHI DENKI KABUSHIKI KAISHA; | 发明人 | Miki, Tsutomu Mitsubishi Denki Kabushiki Kaisha; | ||||
| 摘要 | An audio signal recording and reproducing apparatus which digitizes sound into an electric audio signal, and data compresses so as to reduce information quantity, and records the same into a semiconductor memory (31) and reproduces an audio signal from the recorded data, includes a plurality of input compression and output extention conversion tables (29, 33) which are used for compression conversion of input signal and extention conversion of output signal, respectively, and input compression and output extention conversion table selection counters (27, 34) which are count-controlled by the difference data representing the change of the audio signal and selects one among a plurality of input compression and output extention conversion tables (29, 33) in accordance with its count value. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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