Converting MKV to AVI [SOLVED?]

Michael Miles mmamiga6 at
Mon May 10 21:48:15 UTC 2010

On 05/10/2010 12:25 PM, Patrick O'Callaghan wrote:
> On Sat, 2010-05-08 at 01:38 -0430, Patrick O'Callaghan wrote:
>> The MKV files are for standard NTSC or PAL broadcast TV (not even HD
>> in
>> most cases, though they could be). I've so far been unsuccessful in
>> hitting reasonable combination of options for producing a useful
>> result.
>> I've tried ffmpeg, transcode and mencode, but the resulting videos
>> tend
>> to have have noticeable blocking artefacts (despite playing with
>> bitrates) and severe sound synch problems.
> The blocking artefacts are clearly a matter of fiddling with bitrates,
> so no problem. It was the sound synch that was really confusing me. I
> finally tracked down this discussion:
> which has some interesting things to say about the error message I
> already remarked on: "... codec frame rate differs from container frame
> rate ...". It's a problem with Matroska files.
> The solution was to build a new version of ffmpeg from SVN. That solves
> the synch problem and the rest is just a matter of playing with the
> settings.
> Thanks to all who offered advice, especially Sean Darcy
> <seandarcy2 at>. Here's hoping a fixed version of ffmpeg makes it
> into F13 (or even F12 updates).
> poc
Very good to know
Glad it's solved

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