Echo attaching circuit and audio device using the same

Details Echo attaching circuit and audio device using the same Echo attaching circuit and audio device using the same

1993-12-13

1995-02-28

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381106, H03G 300

Patent

active

053944747

ABSTRACT:
This invention includes a compression circuit for compress one of an audio signal and a mixture of the audio signal and an echo signal, a delay circuit for delaying an output signal of the compression circuit by a predetermined time and an expansion circuit having a conversion rate controlled by a DC voltage generated correspondingly to a regulation of the volume controller, for expanding the output signal of the delay circuit according to a reverse conversion function to the compression conversion function to generate the echo signal.

REFERENCES:
patent: 4184047 (1980-01-01), Langford
Ser. No. 08/008,712 filed Jan. 25, 1993 K. Izawa et al.-application.

Affiliated with

Also associated with

Rating

Echo attaching circuit and audio device using the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Echo attaching circuit and audio device using the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Echo attaching circuit and audio device using the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-854244