Digital Sound Sampling: How Computers Capture Music (ja)

The principles behind converting continuous analog sound waves into discrete digital data that computers can process, store, and reproduce.

Groove and Feel: Making Rhythm Come Alive (ja)

Understand what separates mechanical rhythm from living groove. Learn about micro-timing, pocket, laid-back feel, and playing on top of the beat.

Mastering: The Final Polish Before Release (ja)

What mastering is, why it matters, and the essential mastering chain — EQ, compression, stereo widening, limiting, and loudness targets.

Editing and Quantizing: Cleaning Up Performances (ja)

Techniques for editing audio and MIDI — quantizing timing, comping takes, removing noise, and cleaning up recordings without killing the groove.