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Discussion Groups | Speech Coding


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

  

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Bandwidth Extension
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seid...@yahoo.com - Sep 13 2011
Dear Sir/Mrs My research field is speech enhancement and want to know about bandwidth extension more. If any one have comprehensive information about these methods please help ... Bandwidth Extension

about G729 framing details   [5 Articles]
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renzhengshu3 - Aug 30 2011
HI, all I have a question on G729 framing details I used a G729 codec to encode a .wav file before encoding, it is about 300 KB after encoding using G729 without ... about G729 framing details

Is there a better way to optimize IIR implementation in speech processing?
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jogg...@gmail.com - Aug 30 2011
Hi, all Nowadays I work on the optimization of speech processing, but most of my previous work is about video codec, so I have little experience about speech processing. I... Is there a better way to optimize IIR implementation in speech processing?

question about linear prediction of the chirp
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Farzane Ahmadi - Aug 30 2011
Hi I am trying to measure the resonances of an arbitrary cavity. I use an ultrasonic signal x to excite the cavity and try to estimate the resonances from the cavity output (y... question about linear prediction of the chirp

NB-AMR seek implementation   [4 Articles]
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Padmanabha V Reddy - Aug 30 2011
Hi, I am finding that after seek the output of NB-AMR decoder is distorted. I have observed this behavior with 1. codecs from Google (as part Android), as well as 2. in... NB-AMR seek implementation

ITU-T G.723.1 Speech Coder: A Matlab Implementation P. Kabal Department of Electrical & Computer Engineering McGill University   [2 Articles]
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lu dinh vu - Jun 21 2011
In document: ITU-T G.723.1 Speech Coder: A Matlab Implementation P. Kabal Department of Electrical & Computer Engineering McGill University -------------------HHP(z), ---High... ITU-T G.723.1 Speech Coder: A Matlab Implementation  P. Kabal  Department of Electrical & Computer Engineering McGill University

VAD Decision from G.729B and AMR code
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tparis23 - Jun 9 2011
Hello, I am implementing several standard VADs as a reference for my work in my internship on VAD. We've decided on G.729B and AMR. I have the C code and have read the documen... VAD Decision from G.729B and AMR code

G722 Source Link   [2 Articles]
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mahesh_gb5 - May 16 2011
Dear All Please let me know where i can download the G722 source code if i use this is there any licensing issues. Thanks and reg's --Mahesh ... G722 Source Link

EVRC-B capable of word Mangling/ word replacement   [2 Articles]
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Kevin - Mar 15 2011
I came across a recording at the mobile of a land to mobile EVRC-B call Not on VZW. It had Screech Which was no surprise but also it decoded words that were not sent in the Harva... EVRC-B capable of word Mangling/ word replacement

data format of PCM 16bit signed mono-channel and alignment(line-up) two PCM-16bit .wav files.   [3 Articles]
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nangergong - Feb 15 2011
Hi, all: I have some .wav files with format of PCM 16bit signed mono-channel from this link: https://ccrma.stanford.edu/courses/422/projects/WaveFormat/ I k... data format of PCM 16bit signed mono-channel and alignment(line-up) two PCM-16bit .wav files.
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