H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/11, 352/18
H04N 5/782 (2006.01) G11B 20/10 (2006.01) G11B 20/18 (2006.01) H04N 5/92 (2006.01) H04N 5/928 (2006.01) H04N 7/32 (2006.01)
Patent
CA 1265239
ABSTRACT OF THE DISCLOSURE A method of recording a digital audio signal in association with a digital video signal which is to be recorded in oblique tracks on a magnetic tape using a rotary head the rotational frequency of which is locked to the digital video signal, comprises the steps of assembling incoming audio data words which correspond to successive samples of an audio signal into groups nominally of N audio data words where N is the number of audio samples corresponding to the digital video signal to be recorded in one oblique track, allowing the number of audio data words in each group to vary preferably over the range N-1 to N+1 to maintain synchronism of the audio signal with the rotational frequency of the rotary head, coding the audio data words into error-correcting blocks for recording by the rotary head, and associating with each error-correcting block a status code for use on reproduction and which indicates whether the number of audio data words in the corresponding group is N-1, N or N+1.
490517
Boreland Peter Charles
Wilkinson James Hedley
Gowling Lafleur Henderson Llp
Sony Corporation
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