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Discussion Groups | Speech Coding
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Problem in Bitrate_G.723.1
rakesh chaudry - Apr 15 2004
Hi all ,
I am working in G.723.1 Dual rate Codec
I have a query
Is it possible to change bit rate from Frame to Frame ?
or it depends up on the user ... 
Need optimum adaptive codebook gains in G.723.1
koro - Apr 8 2004
Dear all!
I am fresh in speech coding, and now I use the G.723.1 to
compress our TTS database.
I want to retrain the two gain tables used in the adaptive
codebo... Transcoding.
sachin deshpande - Apr 8 2004
Hi,
Can any one tell me what is Speech Trancoding and is
there any standard for this.If anybody knows any link
please let me know.
Thanks and Regards
Sa... confuse the G723.1 concept. Need some help!!
m9021005 - Apr 5 2004
I am novice at G723.1 and confuse some concept.
I am Confuse with some variable in the Find_Acbk() of exec2.c.
1.ClPitchOrd=5
what does the variable mean?
the L... G729 source code
Ray McCarthy - Mar 30 2004
Hello all,
If anyone has the source code for the 4th order moving average predictor used in the 8kbs/s G729, could you please send it to me or tell me wher... Regarding G 728
Adithya k - Mar 13 2004
Hii All,
I am working G 728 encoder. In the target signal normalization the target signal is multiplied with 1 / gain. But accoriding to the test vector given b... What's the diffcult things in STC algrithm?
redaiyu78 - Mar 3 2004
Hello,every one.
I want to ask a quention:in speech coding using STC ,what's the
difficult during this algrithm?
Thank you very much.
... the low bit rate coding
redaiyu78 - Feb 28 2004
I really want to know,now,the lowest bit rate of speechcoding is how
many including narrow and wide band.
Would you kind to tell me ?
Thanks.
... Difference between voiced and unvoiced frame.? [4 Articles]
Khubaib - Feb 27 2004
HI
I want to know the difference between the voiced and unvoiced frame
in context of the MELP 2.4 kbps codec, (and other codecs as well).
What encoder does in cas... error control codes for low bit rate speech coders
Ashwani Gupta - Feb 27 2004
hi all,
i need some reference to develop error control
codes for low bit rate speech coders. Specifically MBE
coder. Can anybody inform me any standard papers
p...