WAV File Specifications

With TPx’s messaging system, you can upload custom greetings and on-hold music to your Announcement Repository in WAV or WMA format. However, the system expects to receive a file with certain properties.

For .WAV files:

  • 8 or 16 kHz audio sample rate
  • 8 or 16 bit mono
  • U-law, A-law, or PCM audio encoding codec

For .WMA files:

  • 8 or 16 kHz audio sample rate
  • 16 bit mono
  • U-law, A-law, or PCM audio encoding codec

Maximum audio length for both .WAV and .WMA files:

The system performs several safety checks when you submit a file to be uploaded. It will reject the file if it is not built with the correct properties.

We recommend using a program called Audacity, which is available as a free download. (Note that TPx does not provide technical support for Audacity. You can get support directly from Audacity or from online resources.) Here are instructions for exporting a file from Audacity which meets TPx’s specifications.

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