Recording of super-audio or like one-bit-per-sample signals...

Details Recording of super-audio or like one-bit-per-sample signals... Recording of super-audio or like one-bit-per-sample signals...

2006-11-14

2006-11-14

Ghebretinsae, Temesghen (Department: 2611)

Pulse or digital communications

Pulse code modulation

Differential

C341S077000

Reexamination Certificate

active

07136420

ABSTRACT:
An eight-channel PCM recorder is utilized for recording two channels of delta-sigma modulated audio signals. Employed to this end is a PCM adapter comprising a bit stream divider for dividing the bit streams of the delta-sigma modulated signals into series of sixteen-bit segments, and a reformatter for rearranging the bit segments into eight signals having a format in agreement with the format of the PCM signals normally handled by the PCM recorder. The eight reformatted delta-sigma signals are introduced into the PCM recorder thereby to be recorded in place of the eight channels of PCM signals.

REFERENCES:
patent: 4243977 (1981-01-01), Everard
patent: 6087968 (2000-07-01), Roza
patent: 6160953 (2000-12-01), Fuchigami et al.
patent: 00/114971 (2000-04-01), None

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