G - Physics – 11 – B
Patent
G - Physics
11
B
352/17, 354/70
G11B 20/10 (2006.01) H03G 7/00 (2006.01)
Patent
CA 2017210
A B S T R A C T The invention provides recording and reproducing methods and apparatus which can operate on a small amount of stored information and which are capable of following even a wave form which has an abruptly changing amplitude. The sound recording method comprises converting an analog original sound signal into a digital sound signal within a selected conversion range dependent on the amplitude of the original sound signal and storing and recording the digital sound signal. The sound reproduction method comprises the steps of reading a recorded digital sound signal, converting the digital sound signal into an analog sound signal in a selected conversion range dependent on amplitude information included in the digital sound signal, and reproducing the analog sound signal.
Aoki Hiroshi
Gorai Yuji
Borden Ladner Gervais Llp
Seikosha Co. Ltd.
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