Digital signal processing device and audio apparatus using the s

Details Digital signal processing device and audio apparatus using the s Digital signal processing device and audio apparatus using the s

1992-05-05

1993-10-19

Peng, John K.

Electrical audio signal processing systems and devices

Including frequency control

Having automatic equalizer circuit

381 63, 381 98, H03G 500

Patent

active

052553230

ABSTRACT:
A digital signal processing device for outputting a holding data in an output register from a DSP in synchronism with a second clock pulse having a frequency lower than that of a first clock pulse for conducting arithmetic processing in the DSP. Accordingly, data to be output from the DSP can be directly read by a microcomputer, and contents in a coefficient memory and a delay time memory, for example, can be updated in accordance with the read data. Further, the digital signal processing device can be applied to an audio apparatus such as a loudness controller and a spectrum indicating apparatus.

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patent: 4501149 (1985-02-01), Konno et al.
patent: 4661982 (1987-04-01), Kitazato et al.
patent: 4870690 (1989-09-01), Negishi et al.
patent: 4937875 (1990-06-01), Hayashi
patent: 5065433 (1991-11-01), Ida et al.
patent: 5111530 (1992-05-01), Kutaragi et al.

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