[asterisk-dev] Suggestion on Packet Loss Concealment Algorithm
Johansson Olle E
olle at voop.com
Wed May 17 01:16:28 MST 2006
17 maj 2006 kl. 10.06 skrev <ColinZuo at viatech.com.cn>
<ColinZuo at viatech.com.cn>:
> Hi all,
>
> The current PLC algorithm uses only one pitch period, and
> therefore behaves bad during burst lost (Beeps in background),
> I have prolonged the pitch period under burst loss situation and
> tested it using a small utility of ITU STL2005. As for the music files
> (which were produced using VLC's file output module), the modified
> plc can handle 50% and 50ms long loss, although it might be that
> the music wave doesn't vary very fast, i think the modification
> still improve the performance very much.
>
> The attachment is the rar of the modified files, very little
> change <<asteriskplc.rar>> .
Please open a bug report, and add your code to that bug report,
clearly indicating that you've sent a disclaimer for the
code to Digium. Thanks!
/O
---
Olle E. Johansson * Asterisk Evangelist, developer * VOOP A/S
olle at voop.com
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