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Discussion Groups | Speech Coding | CS_ACELP information
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
CS_ACELP information - beatriz rodriguez - Apr 18 1:49:00 2002
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Hi, I´m working on G.729 but I don´t understand exactly what is an conjugate structure codebook. Could somebody give me a refernce. Thanks in advance |
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(RE) CS_ACELP information - Author Unknown - Apr 22 2:29:00 2002
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Hi~~ It is a pitch-code gain quantization method It is a kind of 2-dim VQ y-axis is gc (represented by gbk1->gc bias) x-axis is gp (represented by gbk2->gp bias) if graphically expresed gc | . | | . ->gbk1 * <-unquantized (Gp,Gc) | . . | . | . . |. . . . . ->gbk2 | . . . . . . . . ---------------------------->gp So, gbk1 and gbk2 can cover the space Polt the gbk1 & gbk2 ...it is better to understand *********************************************************** À̵¿¿ø() »ï¼ºÀüÀÚ Á¤º¸Åë½ÅÃÑ°ý / Åë½Å¿¬±¸¼Ò IMT2000´Ü¸»¿¬±¸ÆÀ Core±â¼ú¿¬±¸±×·ì / DSP sub-part ¼±ÀÓ ¿¬±¸¿ø Phone : 031-279-5451 H.P : 016-9530-5451 Dong-Won Lee Core Tech Research Team/ Telecommunication R&D center Information and Communication Business SAMSUNG ECELTRONICS CO., LTD. *************************************************************** |
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