(in an audio system, especially a public-address system) the feedback of sound from a loudspeaker to a microphone, often resulting in a whistling noise caused by electrical oscillations.
- Acoustic guitar
a traditional, unamplified guitar. Contemporary Examples Darren and him were talking and Bruce had an acoustic guitar and picked it up and played the song for Darren. Rourke’s Resurrection Tom Tapp October 7, 2008 George would take out his lyric book and acoustic guitar and play us the song we would be working on that […]
- Acoustic impedance
the total reaction of a medium to the transmission of sound through it, expressed as the ratio of sound pressure to particle velocity at a given point in the medium.
- Acoustic inertance
an intricate combination of paths or passages in which it is difficult to find one’s way or to reach the exit. Synonyms: maze, network, web. a maze of paths bordered by high hedges, as in a park or garden, for the amusement of those who search for a way out. a complicated or tortuous arrangement, […]
- Acoustic maculae