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Old 30 Apr 2002, 06:02 AM   #1
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Post recompress audio in nandub...

I am trying to recompress the audio on some divx movies to save space, but Nandub is not cooperating. I am setting the video to direct strem copy and the audio to full processiing. Then I am selecting my audio compression rate. Most of these movies are mpeg layer 3 128k, 48000, and I am trying to go to 96k, 48000. Then I select save as avi. Nandub pulls up the status menu, and every works fine but there is no or very little audio data. What am I doing wrong? Do I have to uncompress the audio and then recompress it? If it makes a difference I installed the Nemo codec pack.

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Old 30 Apr 2002, 06:36 AM   #2
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why dont you use an audio-editor instead and make the changes you want to and afterwards mux with nandub/vd?
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Old 30 Apr 2002, 07:38 AM   #3
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The procedure you described works perfect for me with the original Fraunhofer or Radium mp3-codec.
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Old 30 Apr 2002, 03:24 PM   #4
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It works fine for me to. A tip though is to lower the frequency on the audio rather then the bitrate. With lower frequncy 41.1 khz you still get the quality of a cd with and with a lower filesize and no loss of quality in the bitrate section.

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Old 30 Apr 2002, 10:17 PM   #5
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also, some older sound cards may not support 48000Hz.

Sometime 48000Hz sounds like ASF sound!

But downsample to 44100Hz using goldwave or wavlab.

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