Hi Alex,


No technical from me I am afraid, but I am interested also in finding the
answer to the general topic of transcoding to mpeg4 when the intended device
to use is DivX certified.

Typically transcoders prefer the free to use XviD, which actually I have
found gives a better result by far, so personally I hope there will be a
response indicating that you should be able to get a good result using a
specific transcode command line, which will give an output that is in XviD
format, and that WILL play on DivX certified equipment...

Not the answer you might have wanted, but hopefully with 2 on the thread,
and a little more in the question from a user perspective, perhaps a guru
might have the answer.

On the other hand, the unit does use MPEG2 as well - maybe encoding to that
would be less contentious?

The guys in the know will probably want to know more about the source files
as well, to get an all the way through picture of what you are trying to
do...


On 7/5/07 09:41, "Alex Samad" <[EMAIL PROTECTED]> wrote:

> Hi
> 
> (resending as I had a problem with my mail not sure if it made it through)
> 
> Recently got a new audio unit for the car that also plays video's.  I have
> some
> music videos that i want to recode for the unit, I would to like to resize and
> change the sound down to mp3.
> 
> Now I have had a been doing a bit of encoding but with no real confidence or
> 100% knowledge of the tools and the terminology.  I recently used mencoder to
> reencode a vob file from the local ultra sound (having a new baby soon) and I
> thought I had encoded to dixX
> 
> INPF=$1
> 
> mencoder  "$INPF" -sws 2 -oac mp3lame -lameopts vbr=3 -ovc lavc -lavcopts
> vcodec=mpeg4:v4mv:mbd=2:trell:vpass=1 -ofps 25 -o /dev/null
> mencoder  "$INPF" -sws 2 -oac mp3lame -lameopts vbr=3 -ovc lavc -lavcopts
> vcodec=mpeg4:v4mv:mbd=2:trell:vpass=2 -ofps 25 -o "$INPF.avi"
> 
> 
> but when I tried to view it with divx codec on windows it barfed, I need some
> other drivers.
> 
> So I thought come to the experts first and try and get it done right the first
> time
> 
> this is the information i have gotten from the manual of the unit
> 
> # Kenwood 7039
> # format: MPEG1, MPEG2, DivX
> # Picture Store
> #   MPEG1: 320x240, 352x240
> #   MPEG2: 640x480, 704x480
> #   Divx: 352x240, 352,288, 720x450, 720x576
> # Audio
> #   MPEG1/2: MPEG audo layer 2
> #   Divx: MP3, Dolby Digital
> # Audio sampling freq: 32/44.1/48 kHz
> # Audio bit rate: 32-384 kbps (only constant bit rate)o
> #
> # must have mpg, mpeg, mpe, m1v, m2v extensions
> #
> # Screen specifications
> #   156.2 x 82.4
> # pixela
> #   336,960 = 480Hx234Vx RGB
> 
> 
> I am thinking the process I want to do is
> 
> 1) extract out the sounds,  to wav and then re encode ? or if already in mp2/3
> save it and use it later as is.  Maybe normalise the sounds level as well, I
> hate having to turn volume up and down when I change tracks
> 
> 
> 2) re encode/ transcode the video into one of the acceptable formats, so I am
> thinking divx because it seems to be a better compression with mp3 inside a
> mpg
> file ?
> 
> I was thinking to try and keep the aspect ratio but to change the size down to
> the actual screen size - there for I can keep more files on the DVD
> 
> 
> Any help would be appreciated
> 
> Thanks
> Alex
> 
> 
> 
> 

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