Capo关于用心聆听的笔记。
关于改变网页上任何内容的音高、调、速度和音量的指南、教程，以及一点乐理。来自 Capo 背后的团队。
Why Slowing Audio Doesn't Have to Sound Like a Chipmunk
The tape effect, varispeed, formants and time-stretching — why modern speed control keeps the pitch natural, explained simply.
How to Learn a Song by Ear (Slow It Down, Loop It, Transpose It)
Slow the hard parts to a crawl, loop them until they stick, and transpose to a comfortable key — the complete by-ear method.
How to Change Pitch on Spotify, SoundCloud & Bandcamp
The Spotify Web Player, SoundCloud and Bandcamp don't ship pitch controls — Capo adds them to all three.
How to Speed Up Any Video or Podcast (Up to 3×)
Take lectures, talks and podcasts at up to 3× while voices stay natural — and have your pace saved per page.
How to Slow Down YouTube Videos Without the Chipmunk Effect
Drop any video or track to a quarter speed to learn it, while the pitch stays exactly where it was.
How to Transpose Any Song to a New Key
Capo a recording to the key that fits your range or your instrument's tuning — without re-recording a thing.
How to Change the Pitch of Any Song or Video
Shift any track up or down by ±12 semitones, in real time, without touching the speed — free and in your browser.
Getting Started with Capo: The Complete Guide
Everything Capo does — pitch, speed, A–B loop and volume — and how to use it, in one place. Free, no account, on-device.