[opus] Opus for ASR - update and questions
Jean-Marc Valin
jmvalin at jmvalin.ca
Thu Dec 6 20:55:00 PST 2012
I think the simplest would be to have an option for providing a file
containing the loss pattern. What do you think?
Jean-Marc
On 12-12-06 11:32 PM, Young, Milan wrote:
> Unfortunately, a uniform model is going to make the simulation behave better than it would in real-world busty conditions. If anyone has alternate model suggestions, please let me know. I need a good simulation and I'd be happy to donate code.
>
> Thanks
>
>> -----Original Message-----
>> From: opus-bounces at xiph.org [mailto:opus-bounces at xiph.org] On Behalf Of
>> Timothy B. Terriberry
>> Sent: Thursday, December 06, 2012 6:46 PM
>> To: opus at xiph.org
>> Subject: Re: [opus] Opus for ASR - update and questions
>>
>> Young, Milan wrote:
>>> One more follow-up question regarding the decoder's "packet-loss"
>> parameter. What distribution model is being used to simulate packet loss? Is
>> this a uniform model, or something that resembles the bursty nature of real
>> world conditions?
>>
>> The best answer here is to read the code (from opus_demo.c):
>> lost = len[toggle]==0 || (packet_loss_perc>0 && rand()%100 <
>> packet_loss_perc);
>>
>> So, uniform.
>> _______________________________________________
>> opus mailing list
>> opus at xiph.org
>> http://lists.xiph.org/mailman/listinfo/opus
> _______________________________________________
> opus mailing list
> opus at xiph.org
> http://lists.xiph.org/mailman/listinfo/opus
>
>
>
More information about the opus
mailing list