[asterisk-dev] ADPCM predictor

Kelvin Chan kelvinc at positronics.com
Thu May 7 20:38:24 CDT 2009


oops, I mean in the ast_frame, not in rtp packets.

-  
Kelvin Chan               | Positronics Ent.
Product Development       |
                          | unit 272
604-628-9330 (direct)     | 8128 128th St.
604-585-2119 at 109 (main)   | Surrey, BC
604-585-3056 (fax)        | Canada, V3W 1R1


On Thu, 2009-05-07 at 18:22 -0700, Kelvin Chan wrote:
> Hi Guys,
> 
> a stupid question about adpcm.
> 
> I'm trying to decode the ADPCM sent from asterisk. In the RTP packets, I
> only see 80bytes of audio. Where are the 2 predictor bytes and the index
> bytes?
> 
> Cheers,
> 
> -  
> Kelvin Chan               | Positronics Ent.
> Product Development       |
>                           | unit 272
> 604-628-9330 (direct)     | 8128 128th St.
> 604-585-2119 at 109 (main)   | Surrey, BC
> 604-585-3056 (fax)        | Canada, V3W 1R1
> 
> 
> 
> _______________________________________________
> --Bandwidth and Colocation Provided by http://www.api-digital.com--
> 
> asterisk-dev mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-dev




More information about the asterisk-dev mailing list