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Discussion Groups | Speech Coding
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
ASR and AMR-NB
epollarisg - Jul 15 2003
Hi,
Has anyone done practical tests with speech recognition and AMR? I am
wondering if the speech quality at lower AMR datarates is suffient
for ASR applicatio... 
Question regarding G.726 speech codec [5 Articles]
Padmalatha Y - Jul 4 2003
Hi All,
I have few doubts regarding Homing that is done in G.726. The ITU test
vectors have few homing sequence for which they have few initialization files.
T... G Series Downloads -- Code & Documents
Sarat Chandra, Kalyanam - Jul 3 2003
hi,
Can anyone plz tell me where I can find the Complete
G series EnCoder-Decoder Standards code along with
documents.
Is there an FTP site from where I c... Formant Estimation [2 Articles]
Chuping Liu - Jul 1 2003
Hi,
I am looking for some good method to estimate the
fomants F1, F2. The method currently I am following is
by Schafer and Rabiner, 1970. I am wondering how a... GSM 06.71 [2 Articles]
Sarat Chandra, Kalyanam - Jul 1 2003
hi guys,
If anyone has the following ETSI document plz send it
to me,,, (that will be great help!!)
GSM 06.71: "Digital cellular telecommunications system ... Sample g.723.1 ".wav" file [2 Articles]
shaofeng_li - Jul 1 2003
Hi all,
I'm looking for a sample g.723.1 ".wav" file for test purpose. Does
anyone have this?
Thanks, hoping for your responses.
Shaofeng
... test sequences for MELP
Eli Britstein - Jun 30 2003
Hi all,
Is there a standard of test sequences for the MELP
vocoder ?
If so, where could I find them ?
Thanks,
Eli.
... DTMF detection on a GSM AMR bitstream [3 Articles]
e_voice61 - Jun 29 2003
Hi all,
Do anyone know of a way to detect DTMF on a GSM AMR bitstream without
fully decoding it?
I will be happy to know if you can do it on ITU-T voice codecs... Input for G729 and G723 from U/A law PCM code. [5 Articles]
zhang_zhh - Jun 27 2003
Hi all,
I have a simple question: according to the G729/G723 spec, the
input buffer should be 16bit linear PCM code, but the decode of U/A
law PCM is 14/13 bit... GSM FR homing sequence
skakkeri2002 - Jun 24 2003
Hi all
Has anybody checked GSM FR with homing sequence sync000.inp. Here we
are supposed to generate more sequences by modifying the given data
sync000.inp as exp...