Meanings

absolute pitch

a sweet voice

whispering

diaphone

similar-sounding words

signal (sound)

ultrasonic waves

ultrasonic cleaning

vocalization

aspirate

prolonged silence

syllable with an unvoiced consonant (except "p"; in Japanese)

ethnic music

folk music

electronic music

the sound of waves

Chinese-derived reading of a kanji

magnetic recording

sound of the sea

phonetic value