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Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Search Results for "acelp"
ACELP
sezer umut - Sep 20 2001
Hi,
I am looking for information and resource related to
ACELP coders. Can anyone suggest online resources?
Thank you
... 
Code book search problem
- Jan 15 2001
Hi,
sorry for posting this url late but it will be helpful to all
people working on ACELP g.729, g.723.1 , or
FS1016 (to some extent)
please goto www.upst... statistical characteristics ACELP [3 Articles]
mehdi_m_5442 - Feb 25 2008
hi
can somebody please tell me about statistical characteristics a frame
speech when that coded by ACELP?
many thanks
... further query in ACELP
Sameer Kibey - Apr 7 2002
Hi all!
I have another interesting query on ACELP wrt G.723.1
(well, atleast i think its interseting!)
As far as ACELP goes, the search is performed in 4
... Advantages & Disadvantages of ACELP & QCELP [2 Articles]
prob...@yahoo.com - Dec 29 2006
Hi, my name is Novi, I would like to know the advantages of disadvantages of ACELP & QCELP, when compared to CELP. Can anyone please tell me? Thank you very much..
... ACELP source code in C++ or C or "MATLAB" [2 Articles]
mehdi_m_5442 - Jan 29 2008
hi ,All friends
I'm looking for ACELP source code in C++ or C or "MATLAB". Can anyone
please know where to find this?
Thank you
... ACELP 12200 bps code request
saeed tabrizy - Sep 30 2004
Hi all friends .
where can I get "C" or "MATLAB" or "Simulink" code of 12200 bps ACELP codec ?
Shaerbaf
... ACELP doubts
Sameer Kibey - Apr 4 2002
Hello everyone!
I have a few doubts in the ACELP part of G.723.1
encoder.
In G.723.1 ,ACELP is used for secondary residual
quantisation in 5.3 kbps rate m... [Fwd: Re: Urgent Help Needed on CELP]
Jeff Brower - May 11 2004
Dai, B. James-
Add...
MELP --> Mixed Excitation Linear Prediction
-Jeff
-------- Original Message --------
Subject: Re: [speechcoding] Urgent H... CS-ACELP g.729 (interpolated LPC)
Lingadevaru T S - Jan 25 2002
Hi all,
My Q is Why we use interpolated LPC coeff for the first subframe synthesis
instead of Quantized LPC coeff itself?
I mean to ask, In G.729 CS-ACELP code... EFR Code Book search
ynitin - Jan 15 2002
Hi,
I am working on porting GSM Enhanced Full Rate (EFR) Speech codec on
a customer DSP. Currently We are working on porting ACELP ( Code Book
Search ) functions.... Download Standard speech coders
m_dj...@yahoo.com - Jun 20 2006
Hi
I want to download a source code (in c/c++ or c#) standards speech coders
(MELP, ACELP, AMR_WB,...). Can you show me where I can do that.
Thanks
... standard speech coder [3 Articles]
mouloud Djamah - Dec 12 2007
Hi
I am looking for source code (C/C++) standard speech coder (FS MELP, ACELP, AMR_NB,....) to download or to buy. Is there official web site where I download them (for free or ... MOS Score - G.726 ADPCM & G.729 CS-ACELP - Voice Quality issues?
raju...@ngc.com - Jan 22 2009
Hi DSP Related members,
I am researching to find out information on the voice quality of codecs used for VoIP communication using networking routers, switches and access devices... Depth first search in G729A speech coder [2 Articles]
Narasimha Rao B.V. - Mar 13 2000
Hi there,
somebody please explain me about the depth first codebook
search
algorithm used in G729A (CS-ACELP). Also suggest some references (if
any) to
und... Queries regarding G.723.1 [2 Articles]
Nihal Ahmad - Mar 28 2001
Hi friends I am working on G.723.1 Annex B in
simulink/Matlab environment. I have some doubts which
I am giving below.
If any body of you know the good material r... AMR-NB Optimization [3 Articles]
venkat ramanan - Mar 15 2005
Hai everybody,
Can anybody suggest me a method to optimize the ACELP search in AMR-NB codec (DFTS method) so that there is no reduction in speech quality when c... Re: Difference among G.723, 729, 726
Miguel Arjona Ramírez - May 9 2005
Dear Ramya,
I guess you're interested in G.723.1 instead, which is the ACELP 5.33...
kbit/s and MP 6.4 kbit/s coder. The original code has been reused with a
suffix... ... fixed/algebraic codebook in 3GPP-AMR or G729
Mathew John - Jun 1 2002
Dear all,
Can anyone give me/direct me to a DETAILED/any
explanation of the fixed codebook(of G729)/algebraic
codebook(of 3GPP AMR ACELP) with specific refrence t... Re: Quantization of LSP /G.729
xuji...@gmail.com - Aug 24 2006
Dear Raj,
I recommend two IEEE papers:
(1)Design and description of CS-ACELP: a toll quality 8 kb_s speech coder
(2)Implementation and performance of an 8-kbit/s conjugate struc... g.723.1 implementation on pentium Pc
Syed Moinuddin - Nov 22 2000
Its piece of cake , I mean writing floating point implementation on Pentium PC . here is a link for you
http://www.dspg.com/prodtech/truespch/6353.htm ... Urgent Help Needed on CELP [3 Articles]
B James - May 10 2004
Hi, What is diff between CELP ACELP & RCELP? What is meaning of zero excitation to synthesis filter in case of CELP, will the output not be zero corresponding to... Re: About CELP paper [2 Articles]
nacer_ghoul - Jun 5 2004
hi jiang,
acutally CELP coding is kind of familly of coding technics. The basic
of it is the use of an LP filter to model the vocal track and the
excitation fo... 3rd generation of moblie communications :c code ,matlab simulink, matlab s-function and dsp platform for amr encoder and decoder
hoss...@yahoo.com - Oct 1 2005
Hello,
I am working on the topic that you see in the subject(3rd generation of moblie communications --> speech coding --> amr (ACELP) encoder and decoder)
I have writ... Re: mean of the innovation energy in GSM-EFR
Vesa Ruoppila - Mar 30 2000
Hello folks,
We can start to examine the question by introducing a few symbols.
So, let us denote the subframe length by N, and the ideal
unquantized gain o... Re: Wave header format for mu-law and A-law [4 Articles]
Shaofeng Li - Sep 1 2003
Jeff,
In case of compressed .wav file, the "fact" chunk
indicates the number of uncompressed samples.
Included is an example of .wav file that contains
co...