Audio Speed Changer Pro

A Windows batch processor for changing audio tempo and pitch.

This is a historical page, not a download page.The original software is retired. SuperUtils does not distribute or endorse legacy installers hosted elsewhere.

What it was

Audio Speed Changer Pro was intended for faster audiobook listening, music practice, transcription, and other jobs that needed tempo or pitch adjustment across audio files.

What to use now

Use the browser speed changer →

Archive policy

These notes preserve legitimate software history and help old links reach relevant information. They do not imply that the new operator created, supports, or warranties the original application.