Re: yuvfps and sound

Hi!

> From: Edouard Chalaron <e.chalaron@xxxxxxxxxxxxxxx>
> Got a fabulous NTSC video from USA and  would like to make it a PAL DV file.
> Acquisition is Ok, no worries, thanks to Canopus. Although I am not sure if I 
> have to use AVI1 or 2 to use it with lav2yuv.

        Ah, another Canopus convert ;)

        Why not use raw DV?   I use 'dvgrab' with "--format raw" and then
        use 'smil2yuv' to get the yuv4mpeg2 and audio.  Something like this:
        'smil2yuv -a audio.wav raw.dv | ... | mpeg2enc ...'

> The frame rate : should I use yuvfps 25000:1000 or 25:1 (it has to go back 
> onto video)

        No need to worry about that because smil2yuv generates the correct rate
        information in the yuv4mpeg2 header automatically.

> I guess the sound will have to be resampled, I know we people came around 
> this question already but can not find it in my archives.

        mp2enc will downsample the audio from 48 to 44.1K but that may not
        be necessary.   If you're making a DVD then 48K audio is the correct
        format.   If you're making a SVCD then 48 might still work - my players
        all accept the higher rate even for VCD/SVCD discs.

        Cheers,
        Steven Schultz


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