[Mplayer-dvb] Noises while using AC3 over DVB

[Nico]

-hwac3 just copies the audio stream  from the demuxer to the hw-ac3 
passthru;
since you may be using 3 different demuxers (PS, TS, AVI) I can't 
believe that all of them have the same bug,
so either it's a bug in the hwac3 audio-out  or your speakers have some 
problem; are you sure other programs always
play those multichannel audio files correctly?

Can you please try to use -novideo instead of -vo mpegpes?
Recently someone discovered a bug triggered when you used -vo mpegpes 
with -ao != mpegpes, but it
manifested itself in a different way; maybe they are unrelated, but 
trying doesn't hurt.


Nico



Sebastian Schöps wrote:

> Nico schrieb:
>
>>
>> what kind of file is it? -PS , -PES or -TS?
>> Please upload a short sample (1 MB) in incoming and tell us the name
>>
>> Sebastian Schöps wrote:
>>
>>> Mplayer makes loud additional noises, when playing any File with 
>>> multichannel-sound (ac3,dts). The original output is also played, 
>>> but in low volume. Stereo (pcm, mp3 and even DD2.0) is always played 
>>> perfect!
>>> Other dvb-programs like the DVD-plugin from VDR have no problems at 
>>> all.
>>>
>>> I use a Hauppauge Nexus Card 2.1 with the Kernel's DVB-driver 
>>> (2.6.2) and the latest mplayer 1.0pre3.
>>>
>>> Can anyone help? I have no idea how to fix it.
>>>
>>> Thanks
>>> -Sebastian
>>
>
> Playing *ANY* multichannel file (DVD,VOB,DivX,Xvid,..) with -vo 
> mpegpes, like "mplayer -vo mpegpes -ac hwac3 DD-Train.vob". Then I 
> hear the original sound with an additional noise (especially from the 
> center speaker). That sounds strange, doesn't it? :-)
>
> -Sebastian
>
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