Sound signal processing apparatus

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system

Patent

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Details

381 34, G10L 100

Patent

active

045861919

ABSTRACT:
In a frequency conversion apparatus, the input signal is sampled and stored at one clock frequency, then read out at another clock rate and passed through a filter whose attenuation characteristics are a function of the second clock rate.

REFERENCES:
patent: 3394228 (1968-07-01), Flanagan et al.
patent: 3631365 (1971-12-01), Dolby
patent: 3965298 (1976-06-01), Carlson
patent: 4366471 (1982-12-01), Kasuga
patent: 4462555 (1969-08-01), Presti

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