[vdr] Re: Slightly OT: Divx with mpeg layer-2 audio?

[Karsten Müller <kmu@ratio.de>]

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I think http://www.mplayerhq.hu/ is your friend... :)

On Wednesday 04 September 2002 12:49, Sven Karlsson wrote:
> Hi,
>
> Do anyone know if it is even remotely possible to generate a
> avi/divx/whateve file with mpeg4/Divx video and mpeg layer-2 sound.
>
> I often transcode my vdr recordings to divx to save space when storing the
> recordings for a long period of time. However, I also often encounter sound
> defects in the transcoding process. These artifacts are probably due to
> errors introduced when decoding from layer-2 and later encoding to layer-3.
> Since the bitrate of the layer-2 audio in the channels I'm interested in is
> not that high (256kbit/s) a valid option would be to simply put the layer-2
> stream as is into the avi file.
>
> Does anyone know any tools that can do this out-of-the-box? Do anyone have
> any experiences to share regarding this?
>
> And to avoid the most obvious questions: I tested encoding with different
> levels of and types of normalization. I've also tested several different
> leyer-3 encoders and experiemented with different datarates (always at
> least 128 kbit/s) and encoding options. Still there are noticable artifacts
> and distortion that are not present in the  original layer-2 stream. The
> source streams are "fixed" with PVAstrumento.
>
> I'm also interested in hearing what people do to avoid transcoding
> artifacts in the mpeg4 video stream. Is there a FAQ/howto somewhere for
> these things?
>
> Best regards
>  Sven

- -- 
with best regards
- ---
Karsten Mueller
Softwaredevelopment / Keyaccount Manager
RATIO Entwicklungen GmbH
Admiralitaetstr. 59
20459 Hamburg
Email: mailto:kmu@ratio.de

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