オーディオ信しん号ごう発はっ生せい器きじ字FuriganaMeanings1nounaudio signal generator; tone generatorTechnical term for a device that produces audio-frequency electrical signals, used in testing and measurement.オーディオ信しん号ごう発はっ生せい器きを使つかってスピーカーの周しゅう波は数すう特とく性せいを測そく定ていした。We measured the speaker's frequency response using an audio signal generator.
