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multimedia playback at half speed after interrupt

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4022

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Posted - 09 Jul 2002 : 13:26:10

during playback of wave, avi, mpeg or MP3 if the screen is tapped anywhere, for example to set full screen mode or repeat etc. the playback seemes to go into about half speed. the only way to restore proper speed is to stop playback and start again.

akidder

1519 Posts

Posted - 10 Jul 2002 : 09:36:03

Thanks for pointing this issue out. This conflict comes up because the touch screen "tap" sound (and keyboard "click") is sampled at a different rate than the audio stream in your application. After the click plays out, it leaves the audio driver set at its playback rate rather than the original. This issue also occurs with audio recording.

The workaround is to disable the touch screen and keyboard sounds with the following entries in the ADSLOAD.REG file:

  [HKEY_CURRENT_USER\ControlPanel\Volume]
    "Key"=dword:10000       ; key clicks: 02 loud, 01 soft, 00 none
    "Screen"=dword:10000    ; tap volume: 02 loud, 01 soft, 00 none

-----------------------
Drew Kidder
ADS Technology Transfer

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