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Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Search Results for "perceptual"
perceptual weigting [4 Articles]
tilak shetty - May 31 2000
hello friends,
this is about PERCEPTUAL WEIGHTING in
g729.
i know that perceptual weigting is used for
manipulate the noise floor with respect to the
signal. ... 
Perceptual Weighting Filter in AMR-WB
#ARIJIT BISWAS# - Aug 29 2006
Dear Members of the List:
I have a question regarding the "perceptual weighting filter" used in the AMR-WB (also in the AMR-WB+) codec that is standardized in 3GPP and ITU.
Ple... perceptual.. [3 Articles]
- Apr 19 2004
hi all,
Can anyone tell me whatz the use of "PERCEPTUAL WEIGHTING FILTER" ?
why its so necessary in speech coding?
thanx in advance.
Mithun G N
... PESQ
mouloud Djamah - Aug 29 2008
Hi
Someone to give me the link for dowloading the perceptual evaluation of speech software (seee referance below).
Thanks
“ITU, Perceptual Evaluation of Speech Quality (PESQ), ... On G.729 Perceptual weighting and Gain Quantisation [2 Articles]
Thenral p - Nov 9 2001
Hi all,
I am working on G.729 and when going thru' the C code I came across the
folowing:
In perceptual weighting filter to find the value of gamma2(weighting
p... Formant perceptual weighting filter in G.723.1 Anx B [2 Articles]
Nihal Ahmad - Oct 13 2003
Hi everyone,
I am working on ITU Standard G.723.1 Annex B, ie.
speech coder have started the project. This coder is a
type of Analysis-by-Synthesis, in this we us... Perceptual Weighting Filter [2 Articles]
Sameer Kibey - Jan 12 2002
Hello everyone!
this is regarding the usage of the "perceptual
weighting filter" to improve the quality of
synthesised speech.my query is referenced to the boo... How to Classify Coding Artifacts?
#ARIJIT BISWAS# - Nov 21 2003
Dear multiple recipients of the list Speech-coding:
I would like to know if there is any tutorial that teaches how to classify
audio/speech coding artifacts (pre... RE: Harmonic Noise shaping Filter [4 Articles]
Sameer Kibey - Aug 12 2003
hi all!
The Harmonic noise shaping filter and the formant perceptual weighting
filter are both based on the same principle - they try to minimise the noise
in ... Re: what's the function of postfilter in G.729 decoder part?
Vinay M K - Feb 27 2002
Hi Kevin Jiang,
Post filtering is done to improve the perceptual quality of speech. Most of the
algorithms focus on emphasising the formants and pitch harmonics whi... [DAFx'06] CALL FOR PAPERS - Montreal, September 18-20, 2006
v_verfaille - Jan 20 2006
Apologies for multiple postings
----------------------------
9th International Conference on Digital Audio Effets, DAFx06
September 18-20, 2006
Montreal, Canada... Re: logarithm algorithm
sara grassi - Aug 8 2002
> Message: 2
> Date: Tue, 6 Aug 2002 05:14:27 -0700 (PDT)
> From: gautam moharir <>
> Subject: logarithm algorithm
>
> Hi
> I am working on G729 implemen... DAFx-02 conference announcement
DAFx-02 Conference - Mar 26 2002
CONFERENCE ANNOUNCEMENT
Call for papers: Conference on Digital Audio Effects - DAFx-02
The Department of Signal Processing and Communications organizes the 5th ... CFP: DAFx-01
Eoin.Brazil - Jun 6 2001
CONFERENCE ANNOUNCEMENT
Call for papers: Conference on Digital Audio Effects - DAFx-01
Limerick, Ireland.
The Computer Science and Information Systems Departme... Re: Speech reconstruction from spectrum.
Khaled El-Maleh - Oct 22 1999
This is an interesting issue and let me tell you some of
my own experience. (but be patient and read to the end)
Read these references about signal reconstruc...