Microsoft KB Archive/77694

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Setting the Amount of Memory for the Audio Data Buffer

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Q77694

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The information in this article applies to:


 * Microsoft Windows Software Development Kit (SDK) versions 3.0, 3.1

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SUMMARY
The following five steps configure the amount of memory that the MCIWAVE driver for Microsoft Windows uses to buffer audio data during playback or recording:

 Run the Control Panel. Select the Drivers icon. Select the WaveAudio driver from the Installed Drivers list box.  Double-click the following line in the Installed Drivers list box: "WaveAudio [MCI] Waveform Audio" Scroll the &quot;Seconds&quot; scroll bar to the right or to the left and select a buffer that stores between two and nine seconds of audio data, as desired.

Alternately, modify the size of the buffer in the SYSTEM.INI file. The numeric parameter on the &quot;WaveAudio&quot; line in the [mci] section specifies the size of the buffer. The following is a sample of the SYSTEM.INI file:

  [mci] WaveAudio=mciwave.drv 4 A four-second buffer is the default setting.

Additional query words: 3.00 3.10

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Issue type :

Technology : kbAudDeveloper kbWin3xSearch kbSDKSearch kbWinSDKSearch kbWinSDK300 kbWinSDK310