Hi all, I remember that Texas Instruments have had a big library with pre-coded words, spoken by a TV-moderator from Dallas...

Hi all, I remember that Texas Instruments have had a big library with pre-coded words, spoken by a TV-moderator from Dallas Radio located in Dallas/Tx. This was a library of single words and phrases coded n lpc-10 with 8KHz-sample-frequency for the TMS52xx speech-synthesizer f

ETSI has a AMR reference code. 3GPP also has AMR reference code for both fix-point and floating point. What's the difference...

ETSI has a AMR reference code. 3GPP also has AMR reference code for both fix-point and floating point. What's the difference between them? Which version is preferred?

Hi All, I am working with the FS-1016 4.8kb/s CELP coder but I cant understand why the LSP's are interpolated for every...

Hi All, I am working with the FS-1016 4.8kb/s CELP coder but I cant understand why the LSP's are interpolated for every subframe.Can someone tell me is there a specific advantage for doing this? Regards, Ray. -------------------Legal Disclaimer--------------

Hello I would be thankful if anybody who has tested the G729A source code by ITU can tell me if the QUA_GAIN function has been...

Hello I would be thankful if anybody who has tested the G729A source code by ITU can tell me if the QUA_GAIN function has been implemented exactly as the algorithm. I try to run it on Code Composer Studio C6000 simulator with various ITU test vectors and everytime I

Hi, buddies, Do u have the following paper? M. C. Recchione, "The enhanced variable rate coder: Toll quality speech for...

Hi, buddies, Do u have the following paper? M. C. Recchione, "The enhanced variable rate coder: Toll quality speech for CDMA", International Journal of Speech Technology, pp. 305- 315, 1999 I could not get it. If you have, could you pls send it to me at

Hi, I have downloaded c code for the codec (it is attached with G.723.1 annex A, the version with fixed point). How to find the...

Hi, I have downloaded c code for the codec (it is attached with G.723.1 annex A, the version with fixed point). How to find the coefficients LSP, the values of gain, amplitude of the frames? I find attached the code a vector sequence test, but there is no a help on using

Hi! All, I have captured a G.729 call using Ethereal (in rtpdump payload format) and would like to use ITU G.729 decoder to...

Hi! All, I have captured a G.729 call using Ethereal (in rtpdump payload format) and would like to use ITU G.729 decoder to decode the conversation. Is there a utility available which would help me convert me the G.729 payload from rtpdump payload format to the bi

Hi everyone, I am working on ITU Standard G.723.1, ie. speech coder(Hybrid coder)i have started the project one month back. I have...

Hi everyone, I am working on ITU Standard G.723.1, ie. speech coder(Hybrid coder)i have started the project one month back. I have almost designed the h/w for it. And in s/w part i have gone through th b/d of G.723.1, I am clear with most of the thing but i am unable to underst

Hi All, I'm having a bit of trouble with the adaptive codebook.From theory it seems that the codebook is a 256 x 60 array,so to...

Hi All, I'm having a bit of trouble with the adaptive codebook.From theory it seems that the codebook is a 256 x 60 array,so to speak, but from the standard code it seems that it is a 256 x 1 array and to get an adptive excitation,you select different elements of the codebook.I dont

I'm trying to implement WI codec,for now just layer I(without quantisation),as it is described in Eddie Choy's thesis,but I don't...

I'm trying to implement WI codec,for now just layer I(without quantisation),as it is described in Eddie Choy's thesis,but I don't get perfectly sounding decoded speech,as they stated,there are audible errors,and these errors usually occur when pitch doubles. Can anybody help me,or send me