Synthesizing a mono audio signal

Details Synthesizing a mono audio signal Synthesizing a mono audio signal

2011-03-01

2011-03-01

Mei, Xu (Department: 2614)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Quadrasonic

C381S080000, C704S500000

Reexamination Certificate

active

07899191

ABSTRACT:
The invention relates to a method of synthesizing a mono audio signal3based on an available encoded multichannel audio signal2. The encoded multichannel audio signal2is assumed to comprise at least for a part of an audio frequency band separate parameter values for each channel of the multichannel audio signal. In order to reduce the processing load in synthesizing the mono audio signal2, it is proposed that the parameter values of the multiple channels are combined at least for a part of an audio frequency band in the parameter domain. The combined parameter values are then used for synthesizing the mono audio signal. The invention relates equally to a corresponding audio decoder, to a corresponding coding system and to a corresponding software program product.

REFERENCES:
patent: 5274740 (1993-12-01), Davis et al.
patent: 5583962 (1996-12-01), Davis et al.
patent: 5878080 (1999-03-01), Ten Kate
patent: 5899969 (1999-05-01), Fielder et al.
patent: 6765930 (2004-07-01), Oikawa
patent: 7031905 (2006-04-01), Tanaka et al.
patent: 7337118 (2008-02-01), Davidson et al.
patent: 7447321 (2008-11-01), Furge et al.
patent: 1 376 538 (2004-01-01), None
patent: 1 377 123 (2004-01-01), None
3GPP TS 26.290 V1.0.0 (Jun. 2004), “3rdGeneration Partnership Project; Technical Specification Group Service and System Aspects; Audio codec processing functions; Extended AMR Wideband codec; Transcoding functions (Release 6)” XP-002301758, pp. 1-72.
Canadian Patent Application No. 2,555,182 Office Action dated Oct. 15, 2008, 4 pages.

Affiliated with

Also associated with

Rating

Synthesizing a mono audio signal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Synthesizing a mono audio signal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Synthesizing a mono audio signal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2681239