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オーディオピッチ&スピードチェンジャー

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オーディオのピッチ(音高)や再生速度を瞬時に変更。ブラウザ上で効果をプレビューし、高音質なWAVファイルとして直接ダウンロードできます。

Upload your audio file

Supports MP3, WAV, OGG, M4A, FLAC

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How to use オーディオピッチシフター

  1. Upload your audio file by clicking the drop area.
  2. Adjust the Pitch Shift slider (in semitones) or the Speed slider (playback rate).
  3. Click 'Play Preview' to hear the modifications in real time.
  4. Click 'Download WAV' to save the modified audio.

What is オーディオピッチシフター?

A pitch shifter lets you change the key (pitch) of an audio track without affecting its speed, or modify the speed (tempo) without shifting the key. This is perfect for singers adjusting songs to their vocal range, musicians transcribing fast solos, or creating funny voice effects.

This tool runs entirely in your browser using standard Web Audio APIs. Your files are processed locally on your machine and are never uploaded to any server.

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FAQ

Is my audio uploaded to a server?
No. All decoding, processing, and encoding happens entirely client-side inside your browser.
What audio formats are supported?
We support MP3, WAV, OGG, M4A, FLAC, and all browser-compatible formats.

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