Amplifiers – With plural amplifier channels – Amplifying different frequencies in different channels
Patent
1979-06-15
1981-10-06
Smith, Alfred E.
Amplifiers
With plural amplifier channels
Amplifying different frequencies in different channels
179 1G, H04R 500
Patent
active
042938210
ABSTRACT:
Apparatus is disclosed for separating two audio signals on two input channels and combining them to provide three output signals on three output channels in which the separation is based on comparisons of the average absolute values of the highest amplitudes of the signals on the input channels with the average absolute value of the difference between the signals on the input channels.
REFERENCES:
patent: 3184550 (1965-05-01), Rogers
patent: 4024344 (1977-05-01), Dolby et al.
Boudouris Angelo
Peters Edwin F.
Eprad Incorporated
Grigsby T. N.
Smith Alfred E.
Todd, Jr. Oliver E.
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