Method of adjusting the volume and the loudness in an audio devi

Details Method of adjusting the volume and the loudness in an audio devi Method of adjusting the volume and the loudness in an audio devi

1997-11-19

1999-03-16

Harvey, Minsun Oh

Electrical audio signal processing systems and devices

Including amplitude or volume control

381109, 381102, H03G 300

Patent

active

058839631

ABSTRACT:
The method of adjusting the volume and the loudness in an audio device uses a volume-control unit for attenuating an audio signal by a predetermined value and a loudness-control unit for attenuating, by a further predetermined value, every component of the audio signal when in an inactive state and only the high-frequency components when in an active state. The method includes the steps of setting a volume level, associating a first and a second attenuation value with the volume level set, attenuating the audio signal by the first value and by the second value by means of the volume-control unit and the loudness-control unit, respectively, and switching the loudness-control unit selectively between the active state and the inactive state.

REFERENCES:
patent: 4363001 (1982-12-01), Suzuki
patent: 4495652 (1985-01-01), Leslie

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