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MediaPortal 1
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.mp4 playback too fast?
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<blockquote data-quote="davidf" data-source="post: 1153006" data-attributes="member: 19484"><p>The reason for my earlier reply was that I think a better solution is to see if your Plasma supports 24 or 48Hz. The solution you've went for results in just over 1 repeated video frame over second (as there are 23.976 frames in every second of the video file - your TV is showing 25 frames every second so must show one twice and sometimes two twice).</p><p></p><p>If you use a rate which is a multiple of 24 and MPAR then the audio will only need to be adjusted by 0.1% so will rarely adjust the audio (it uses a special mode where is allows the audio to drift 14ms from the video and then performs an adjustment of 2% for about 1 second). If you press <Shift>1 MP will show you the stats on screen. During this time it will ensure that there is 24 frames of video to match to the 24 frames your TV needs to display. The 0.1% may be an over or under estimate as your TV will probably not run at exactly 24hz, so check the stats as you may find very little adjustment is actually being made.</p><p></p><p>Music is a bit more of a grey area, but for movies I would always recommend MPAR - BBC, SKY and DVD companies already perform these conversion on US based material (or sometimes duplicate the extra frames in the PAL versions).</p></blockquote><p></p>
[QUOTE="davidf, post: 1153006, member: 19484"] The reason for my earlier reply was that I think a better solution is to see if your Plasma supports 24 or 48Hz. The solution you've went for results in just over 1 repeated video frame over second (as there are 23.976 frames in every second of the video file - your TV is showing 25 frames every second so must show one twice and sometimes two twice). If you use a rate which is a multiple of 24 and MPAR then the audio will only need to be adjusted by 0.1% so will rarely adjust the audio (it uses a special mode where is allows the audio to drift 14ms from the video and then performs an adjustment of 2% for about 1 second). If you press <Shift>1 MP will show you the stats on screen. During this time it will ensure that there is 24 frames of video to match to the 24 frames your TV needs to display. The 0.1% may be an over or under estimate as your TV will probably not run at exactly 24hz, so check the stats as you may find very little adjustment is actually being made. Music is a bit more of a grey area, but for movies I would always recommend MPAR - BBC, SKY and DVD companies already perform these conversion on US based material (or sometimes duplicate the extra frames in the PAL versions). [/QUOTE]
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.mp4 playback too fast?
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