Incorrect or No Playback on a USB MIDI Device

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Article ID: 828536 - View products that this article applies to.
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SYMPTOMS

When you use a USB MIDI device, if the sample MIDI data input packet is larger than 256 bytes, you may experience incorrect playback or no playback at all.

CAUSE

This problem may occur if either of the following conditions is true:
  • The output MIDI data packets and the input MIDI packets are different sizes.

    -or-
  • The sample MIDI data input packet is larger than 256 bytes.
The Usbaudio.sys driver expects that the output MIDI data packets are the same size as the input MIDI packets and cannot process data packets that are larger than 256 bytes.

RESOLUTION

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
This problem was first corrected in Microsoft Windows XP Service Pack 1.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.

Properties

Article ID: 828536 - Last Review: October 22, 2003 - Revision: 1.1
APPLIES TO
  • Microsoft Windows XP Professional
Keywords: 
kbfix kbbug KB828536

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