octave device
Technical computing term; refers to a device or mechanism that operates on or produces octave-related signals or data. Rare outside specialized contexts.
This octave device is a specialized apparatus used in audio processing systems.
Compound of 八進 (octal, or relating to eight steps) + 細分 (subdivision) + 記号 (symbol, mark). The exact derivation is uncertain; it is a technical term likely coined in computing or signal processing contexts.