G.726 proj

Started by soundarya2009 in Speech Coding11 years ago 2 replies

Hi all, I am working on G.726 using CCS on C5416. I have downloaded all the files from ITU-T(g726.c, g726demo.c, g726.h and ugstdemo.h) ...

Hi all, I am working on G.726 using CCS on C5416. I have downloaded all the files from ITU-T(g726.c, g726demo.c, g726.h and ugstdemo.h) But when compiling, i am getting errors. Somebody who has worked on this, please help. And also how to give the input to the program. I need to do this as fast as possible. Thanks in advance Regards, Soundarya


G729a and G729 interoperability

Started by naveen kumar in Speech Coding11 years ago 6 replies

Hi, is it possible to switch between G729 Encoder and G729a Encoder between frames? I am asking this because G729A document specifies that...

Hi, is it possible to switch between G729 Encoder and G729a Encoder between frames? I am asking this because G729A document specifies that G729a is bitstream interoperable with G729. Thanking You Naveen


LPC analysis window

Started by #ARIJIT BISWAS# in Speech Coding11 years ago 1 reply

Hi: Which is a better LPC analysis window? Hamming or Hanning? Or, it doesn't matter? Regards, ~Arijit

Hi: Which is a better LPC analysis window? Hamming or Hanning? Or, it doesn't matter? Regards, ~Arijit


g729 payload format

Started by nissarmail in Speech Coding11 years ago 1 reply

Hi all, I am looking for payload format of g729 format. I have some doubts regarding how g729AB is transmitted as its length could be 80,15...

Hi all, I am looking for payload format of g729 format. I have some doubts regarding how g729AB is transmitted as its length could be 80,15 or 0 bits. regards, nissar


G729 Raw Format

Started by wajd...@laposte.net in Speech Coding11 years ago 1 reply

Hello, Im a final year student of engineering.I must create an application to capture and store voip LAN traffic i use the library...

Hello, Im a final year student of engineering.I must create an application to capture and store voip LAN traffic i use the library winpcap(libpacp) to capture the voip packet on the LAN and I don't know how create a bitstream file (raw format) in the format required by the ITU-T G729 I am sorry for my bad english Please help me Regards, TORKHANI Wajdi


partial encryption of G.729 bitstream file

Started by jayeshkumar makwana in Speech Coding11 years ago

hi dear, i am doing my masters in digital signal processing and now am doing my theses on watermarking for compressed speech signals. But, I have...

hi dear, i am doing my masters in digital signal processing and now am doing my theses on watermarking for compressed speech signals. But, I have some problem in partial encryption of G.729 bit stream file.How can I know that in any particular speech which bits are of more concerned are require more security as compared to other.i want to use high protection scheme for encryption in which i will ...


statistical characteristics ACELP

Started by mehdi_m_5442 in Speech Coding11 years ago 2 replies

hi can somebody please tell me about statistical characteristics a frame speech when that coded by ACELP? many thanks

hi can somebody please tell me about statistical characteristics a frame speech when that coded by ACELP? many thanks


pitch determination

Started by kobi...@yahoo.com in Speech Coding11 years ago 2 replies

hello all i am working on speaker identification.I want to calculate the pitch of a speech signal.Can you help me is there any function available...

hello all i am working on speaker identification.I want to calculate the pitch of a speech signal.Can you help me is there any function available for pitch detection or dection of voiced & unvoiced part in a signal using MATLAB?


ACELP source code in C++ or C or "MATLAB"

Started by mehdi_m_5442 in Speech Coding11 years ago 1 reply

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

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


LSF quantizer

Started by #ARIJIT BISWAS# in Speech Coding11 years ago 1 reply

Hi all! Does anyone know what=C2=92s the latest & greatest LSF quantizer available = for wideband speech coding? :-) For example, what=C2=92s...

Hi all! Does anyone know what=C2=92s the latest & greatest LSF quantizer available = for wideband speech coding? :-) For example, what=C2=92s the minimum number bits/frame required for quantiz= ing a 16-th order LPC operating at 16-kHz sampling?=20 If anyone is aware of any nice references please let me know. Best Regards, Arijit =20


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