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Discussion Groups

Discussion Groups | Speech Coding

Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)

  

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LPC to LSF Source Code   [3 Articles]

ray....@gmail.com - Feb 18 2008
Hello; I was wondering if anyone would be willing to share or direct me towards some Java or C code on how to convert from Linear Prediction Coefficients to Line Spectral Freque... LPC to LSF Source Code

G711 PLC specs

bs_guru_sjce - Feb 2 2008
Hi, Anybody has the specs of the g711 PLC algorithm. Where can I get that? Please reply. ... G711 PLC specs

DCME Analyzer

jeepandy - Feb 1 2008
Hi, Did anyone know a company who sell's an DCME Analyzer. I need this not only for G.763 but also for proprietary types. Where can i find or bye an program (sourcecode) for... DCME Analyzer

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  source code in C++ or C or

LSF quantizer   [2 Articles]

#ARIJIT BISWAS# - Jan 16 2008
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 req... LSF quantizer

Microphone type in handset

"henry.widjaja" - Jan 15 2008
Hi, Does anyone know what is the type of microphone commonly used in handsets? Is it directional or omni-directional, etc.)? Does it have shaped or flat frequency response... Microphone type in handset

Delta SM filter?

"henry.widjaja" - Jan 15 2008
Hi all, In the publication by 3GPP on the noise suppression system for the AMR speech coder (ts_126077v070000p , pg.27), there's a sentence that goes like this: "The en... Delta SM filter?

Reconstructing Speech

kobby70 - Jan 9 2008
I am new to Signal Processing. How do I reconstruct the speech (synthesized), after determining the Pitch, the LPC coefficients, and the Gain? Thanks in advance. ... Reconstructing Speech

pitch determination   [3 Articles]

kobi...@yahoo.com - Jan 9 2008
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... pitch determination

Estimating coefficients of digital filter   [2 Articles]

skoa...@yahoo.com - Dec 20 2007
Hello all! I'm using the Autocorrelation method as the PDA in an assignment entitled: Synthesis By Analysis using LPC. I've read so many literature implying forming a matrix equa... Estimating coefficients of digital filter
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