EQ and Tonal Balance: Sculpting Frequency Content (ja)

How to use EQ to shape the tonal balance of your mix — understanding frequency ranges, EQ types, and practical settings for every instrument.

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.

Virtual Instruments and Synthesis: Creating Sound from Scratch (ja)

How virtual instruments generate sound through synthesis methods — subtractive, FM, wavetable, and more — and how to use them effectively.