Error Message: Wavespanning Must be on with Mpeg Layer 3 Codec (257752)


The information in this article applies to:

  • Microsoft Windows Media Services 4.1
This article was previously published under Q257752

SYMPTOMS

When you use the Wavtoasf.exe command-line tool to convert a .mp3 file to a .asf file, you receive the following error message:
Wavespanning must be on with Mpeg Layer 3 codec.
Couldn't write output header.
The output file is created, but the file is zero bytes in size and is unusable.

WORKAROUND

Use the Windows Media Encoder to convert .mp3 files to .asf files.

STATUS

Microsoft has confirmed that this is a problem in Windows Media Services 4.1.
Modification Type:MajorLast Reviewed:4/1/2000
Keywords:kbprb KB257752
©2002 Microsoft Corporation. All rights reserved.