Audio Delay Echo
Add delay and echo effects with 5 presets and custom controls
ディレイ・エコー
ファイルをドラッグ＆ドロップ
プリセット
カスタム設定
原音がエコーバックされるまでの遅延時間
エコーの繰り返し強度（高いほど長く残響）
元の音とエコーのバランス
A/B比較再生
About Audio Delay Echo
Audio Delay Echo is a dedicated online tool for adding delay and echo effects to your audio files. Using Web Audio API's DelayNode with a feedback loop, it generates time-delayed repetitions of the original sound, creating spatial width and depth.
From slapback delay for a quick doubling effect, to long echo for expansive reverb, to ping pong delay for rhythmic repetitions — a wide variety of sound designs are possible. With 5 carefully curated presets, you can apply optimal settings with one click even without audio engineering knowledge, while custom mode allows professional fine-tuning of delay time, feedback, and wet/dry mix.
All processing runs via Web Audio API in the browser, so your audio data is never sent to a server, ensuring complete privacy protection.
How to use Audio Delay Echo
- Upload your audio file (MP3, WAV, M4A, etc.) by dragging and dropping or clicking to browse.
- Click a preset button (Slapback, Quarter Note, Ping Pong, Long Echo, Subtle) or use the custom sliders to adjust delay time, feedback, and mix.
- Use the Preview button to listen to the delay and echo effect in real time and confirm the sound quality.
- Click the Apply Delay & Download button to download an MP3 file with the delay and echo effect applied.
Benefits of Audio Delay Echo
- One-click delay with 5 curated presets — Apply optimal delay and echo settings instantly without any audio engineering expertise.
- Professional fine-tuning in custom mode — Adjust delay time (0.01–2s), feedback (0–90%), and wet/dry mix (0–100%) with precision sliders.
- Real-time preview for instant confirmation — Listen to the delay and echo effect before downloading, so you can refine until satisfied.
- Safe and fast browser-based processing — Files are never uploaded to a server; all processing happens locally in your browser for complete privacy.
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