CPC Main Group
G11B 20/00 Signal processing not specific to the method of recording or reproducing; Circuits therefor
8 direct subcodes
Child Classifications
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- G11B 20/02 Analogue recording or reproducing
- G11B 20/10 Digital recording or reproducing
- G11B 20/20 for correction of skew for multitrack recording
- G11B 20/22 for reducing distortions
- G11B 20/24 for reducing noise