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Tempo Changer

Change the speed of your audio without affecting the pitch.

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Audio visualization not available for tempo changes

About Tempo Changer

The Tempo Changer tool allows you to speed up or slow down audio without changing its pitch. This technique, known as time-stretching, maintains the original tone and frequencies while altering the playback speed.

  • Audio Learning: Slow down speech or music for easier learning or transcription.
  • Music Practice: Adjust tempos for practice or to match a different performance.
  • Creative Effects: Speed up or slow down sounds for unique audio effects.
  • Content Adjustment: Make audio fit a specific time slot by adjusting its playback speed.

This online implementation uses the browser's built-in audio time-stretching capabilities, which are adequate for playback but may have quality limitations when processing for download. For professional-grade processing, consider using dedicated audio software.