G - Physics – 11 – B
Patent
G - Physics
11
B
352/19.1
G11B 20/14 (2006.01) G11B 5/008 (2006.01) G11B 20/10 (2006.01) G11B 20/18 (2006.01) H03M 5/14 (2006.01)
Patent
CA 1259402
ABSTRACT OF THE DISCLOSURE In PCM signal recording method and apparatus using rotary heads for converting two channels of autio PCM signals each consisting of 12-bit words to a data consisting of 8-bit words and recording the converted data, there is provided means for converting the PCM signals to two data each consisting of eight high order bits of each of two words of the PCM signals, and an 8-bit data consisting of the remaining four low order bits of the respective words. The converted PCM data are recorded on a record tape in a format such that PCM signals having i words/channel which are to be recorded on first and second tracks are divided into a first half and a second half, even data in the first half and odd data in the second half constitute the data to be recorded on the first track, and odd data in the first half and even data in the second half constitute the data to be recorded on the second track.
493110
Kobayashi Masaharu
Okamoto Hiroo
Hitachi Ltd.
Kirby Eades Gale Baker
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