Electrical audio signal processing systems and devices – Binaural and stereophonic
Reexamination Certificate
2005-03-15
2005-03-15
Woo, Stella (Department: 2643)
Electrical audio signal processing systems and devices
Binaural and stereophonic
C381S311000
Reexamination Certificate
active
06868161
ABSTRACT:
A transmitting/receiving device and a transmitting/receiving method for transmitting and receiving an acoustic signal through infrared radiation or the like are obtained wherein noise and interruption of the sound due to overmodulation of a transmitting device in compressing/expanding and transmitting the acoustic signal are not generated. In a transmitting/receiving device or a transmitting/receiving method having a receiving device for receiving a signal wireless-transmitted from a transmitting device, demodulating the signal to obtain an analog signal, and outputting the signal, wherein an analog acoustic signal input into the transmitting device is digitized, subjected to signal processing, analog-converted, and output. In the signal processing, the input digital signal is delayed and a level of the delay output signal is compressed or expanded according to a level of the input signal.
REFERENCES:
patent: 6021205 (2000-02-01), Yamada et al.
patent: 6212282 (2001-04-01), Mershon
patent: 6608907 (2003-08-01), Lee
patent: 6614912 (2003-09-01), Yamada et al.
Kurisu Hirofumi
Yamada Yuji
Maioli Jay H.
Sony Corporation
Woo Stella
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