Большой англо-русский и русско-английский словарь
acoustic frequency, audio frequency, sonic frequency, sound frequency
Англо-русский словарь технических терминов
acoustic frequency, audio frequency, sonic frequency, sound frequency
Русско-английский политехнический словарь
acoustic frequency, audio frequency, sonic frequency, sound frequency
Dictionnaire technique russo-italien
frequenza acustica [udibile, audio, sonora], audiofrequenza f