Of a pianoforte, etc.: adapted so as to be able to record automatically the music played on it.

Of, relating to, or produced by a phonograph. Also figurative.

Used attributively to designate equipment used in professional recording or broadcasting transcription, or gen. of a standard or type so used.

High-quality reproduction of sound; = high fidelity, n.

High-quality reproduction of sound (cf. fidelity, n. 2c). Cf. hi-fi, n. 1, high-definition at definition, n. 5c.

a low degree of fidelity (fidelity, n. 2c) in reproduced sound or images; also in extended use; usually attributive; cf. lo-fi, n. 1.

Designating or relating to a type of tape recorder in which the tape is carried on separate reels (as opposed to being enclosed in a cassette), two…