AVR Programming: Learning to Write Software for Hardware (Make: Technology on Your Time) (English Edition), p.275

You'd like to make a complex analog waveform, and at an arbitrary pitch. How do you do it? The DDS solution is to store a lookup table with the waveform in memory. ~

複雑なアナログ波形を好きな音程で鳴らすにはどうすればよいでしょうか? それをDDS (direct-digital synthesis)で実現するときは、目的の波形を表現したルックアップテーブルをメモリーに保存しておいて、~