Artificial intelligent assistant

tweeter

tweeter
  (ˈtwiːtə(r))
  [f. tweet vb. s.v. tweet n. and int. + -er1.]
  A small loudspeaker designed to reproduce accurately high-frequency sounds whilst being relatively unresponsive to those of lower frequency. Cf. squawker, woofer.

1934 Nature 25 Aug. 294/1 The extension of the range of acoustic fidelity permitted by the ‘tweeter’—the high frequency auxiliary speaker—is a boon. 1952 Electronic Engin. XXIV. 583/3 The..Tweeter Unit is of the moving coil pressure type and is similar to that used in the 10in. and 12in. concentric Duplex loudspeakers. 1957 Times 3 May 13/4 Bearded young men talk of Beethoven in terms of baffles and tweeters. 1959, 1975 [see squawker 3]. 1982 Hi-Fi Answers Oct. 77/1 These drive units are pretty unusual beasts, and the NS1000M sports two: a 30mm dome tweeter and a 8·8cm dome midrange unit.

Oxford English Dictionary

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