A person having an ardent interest in stereo or high-fidelity sound reproduction. 高保真度音響愛好者對立體聲或高保真度聲音的播放有熱切興趣的人
In recording, pertaining to sound reproduction using a single output signal or made with a single channel audio tape recorder. 在錄音技術中，用於修飾或說明單一輸出信號複製聲音或用單聲道複製聲音。
Slow variation in the pitch of a sound reproduction resulting from variations in the speed of the recording or reproducing equipment. 音符失真，聲音走音由於錄音或放聲裝置中速度的變化而引起的，在放聲中出現的較慢的音調變化
