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Primary Examiner: Olms, Douglas W.
Assistant Examiner:
Attorney: Pfund, Esq.; Charles E.

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Title: Dual delay line storage sound signal processor

Abstract: Sound signals are processed for compression or expansion utilizing storage and frequency transformation into storage delay lines operated alternately to transform alternate segments of the sound signal respectively with the outputs of the two delay lines combined to produce a continuous sound signal output with the frequency components thereof transformed.

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Inventors: Schiffman, Murray M. (Westport, CT, US)

Application Number: 473437
Filing Date: 1974-05-28
Publication_date: 1976-02-03
Assignee: Cambridge Research and Development Group (Westport, CT); Greenberg; Sanford D. (Washington, DC); DT Liquidating Partnership (New York, NY); Schiffman; Murray M. (Westport, CT)
Primary Class(es): 704/205 348/384.1, 360/8, 386/89, 386/101, 704/258
Other Classes:
US Patent Ref:

3499996	Mar, 1970	Klayman	179/15.
3621150	Nov, 1971	Pappas	179/15.
3681756	Aug, 1972	Burkhard	179/1.

Other Refs: Other References: IEEE Journal of Solid-State Circuits; Vol. 564, No. 3, June 1969, "Bucket Brigade Electronics . . .," by Sangster et al., pp. 131-136.
Nature; Vol. 189, No. 4759, Jan. 14, 1961, pp. 117-119, "A Versatile Method for Short Term Spectrum Analysis . . .," by Gill.