英和和英

the vocal organs

noise of an alarm clock

a megaphone

a masterful speaker

a horn speaker

a recording of acoustic signals

sound wave

echoing sound

a recording device called a cam-corder

the dial tone

a loudspeaker

a speaker who utters a sudden exclamation

a device that muffles sound, called silencer

relating to audible sound

a signal which uses sound

in the written representation of a word, an accent mark used to show intonation

streaming audio

an audible sound

the clarity of a sound

tenor voice

a condenser speaker

an audio tape

a megaphone

the dial of an instrument

sound waves

a symbol to show the first sound phonetically

an acoustic image

headphone

the referee's whistle

a griding sound