英和和英

audio‐visual aids

a complete set of audio devices

an artificial vocal device called a vocoder

an audio or video apparatus

an audio apparatus called power amplifier

a sound instrument called an audio amplifier

a playback machine that produces stereophonic sound

an audio device called headphone stereo

an acoustic device

an audio-instrument called a main amplifier

an tape player called a walkman

an audio device called a coaxial speaker

acoustic equipment called {a surround processor}

in audio devices, components that protect against a vibration

audio‐visual

stereo equipment that boosts the sound level called an integrated amplifier

a movable speech organ

a megaphone

sound equipment called an equaliser amplifier

stereo equipment called a cassette stereo

audio system for recoding sound

streaming audio

a device for recording and playing back sounds digitally

an electromagnetic {receiving instrument} called sounder

an instrument used to visualize a sound wave, called phonoscope

a device that muffles sound, called silencer

compact stereo equipment comprising self-contained units

a high fidelity stereophonic sound system

an animal with a very sensitive aural apparatus

a sound instrument called control amplifier