英和和英

a directional microphone

a sound that is barely audible

stereo equipment that lets one adjust the frequency response of the sounds called a graphic equalizer

a directional microphone

a loudspeaker that does not produce a magnetic field

acoustic phonetics

the vocal organs

a small microphone called lip microphone

electronic sound

phonetics

voice impersonation

a megaphone

a masterful speaker

an audio‐visual library

an office machine for transcription that records words spoken into it and then reproduces them, called Dictaphone

a horn speaker

a cordless microphone

a cordless microphone

a megaphone

a megaphone

vocalic sounds

sound recording

an amplifying system using an {eternal magnet}, called a {magnetic speaker}

heavy sounds

compact stereo equipment comprising self-contained units

a record for a gramophone

a recording of acoustic signals

audio‐visual

The sound reverberates to the farthest ends.

a sopranino recorder