In OggVorbis encoder the code is making use of LPC (function _preextrapolate_helper() ). What is the actual use of that? I removed the LPC module and still the code works fine. Can we do that? what will be the effect of removing? Parul Embedded Engineer Einfochips Ltd
On 2/23/06, parul <parul.agarwal@einfochips.com> wrote:> In OggVorbis encoder the code is making use of LPC (function > _preextrapolate_helper() ). What is the actual use of that? I removed > the LPC module and still the code works fine. Can we do that? what will > be the effect of removing?This is basically used to smooth out the very start of the audio, to make it more easily encodable (and to reduce the chances of bad artifacts at the start). Mike