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Many audio players take a long time to speed up audio file. To avoid this, it is better to have an accelerator and Audio Speed Changer Pro is one of them.

Key Features

  • Accelerator: Audio Speed Changer Pro allows you to speed up audio files without affecting their quality and without changing the pitch. It is mostly intended for accelerating audio books as well as podcasts. It supports batch processing, which can save a lot of time.
  • Supported formats: this software is able to support multiple audio formats including the most popular ones such as AAC, MP4, M4A, M4B, MP3, OGG, WAV, WMA and more.
  • Configurable: Audio Speed Changer Pro can work in batch mode. Several parameters of the program can be configured by the user to obtain the desired result as tempo, pitch shifting, bit and sample rate, volume, etc.
  • Compatibility: the advantage of this program is its being compatible with PC, Smartphone, iPod and any other MP3 player. The system for changing playback speed remains the same.

System requirements

  • Operating Systems: Windows 2000, Windows XP, Windows Vista, Windows 7.
  • Disk space: 1 MB
  • RAM: 10MB
  • Screen resolution: 800x600 with 16-bit color depth screen
  • Keyboard and mouse
  • 300MHz processor


  • Audio Speed Changer Pro is easy to use.
  • It supports individual tag editing.


  • Only 7files at once.
  • This shareware version expires after 30 days of use.


Alternative spelling: audio-speed-changer-pro-setup-1.5.exe, audio-speed-changer-pro-setup.exe
Latest update on September 6, 2013 at 04:40 AM.
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This is amazing app.
Registration date
Monday April 28, 2008
Last seen
July 19, 2012

Possibility to normalize volume level of all output files.
Respond to Ze Para