I think you meant to post this to the speech coding group. I went ahead and
DSP sw/hw engineer
-------- Original Message --------
Subject: VoiceUnvoice Decision&Pitch detemination
Date: Thu, 10 Oct 2002 18:21:29 +0100 (BST)
From: ravichandra reddy <>
To: Jeff Brower <>
hi sirs, i am new to this group. now i am doing
project on LOW BIT-RATE(<2kbps) CODING OF SPEECH. i
was done pitch determination using autocorrelation
function. now i am trying to deside whether the given
segment of speech is voiced or unvoiced.PLEASE GIVE ME
OVER ALL DESCIPTION.
And for proposed pitch detemination, i am trying to
following the INMARSAT STANDARD--it performs a simple
pitch tracking method givenby
where Ppast--previous speech frme pitch.
Pcurrent--present frame pitch value.
This INMARSAT STANDARD WHERE I HAVE TO GET?
can any one help me out?
THANKS IN ADVANCE