| 释义 |
phonoscope|ˈfəʊnəskəʊp|
[f. phono- + -scope.]
1. An apparatus for testing the quality of musical strings, shown by M. Koenig at the International Exhibition, in 1862.
2. Name for various instruments or devices by means of which sound-vibrations are indicated or represented in a visible form.
1884Knight Dict. Mech. Suppl., Phonoscope, an instrument invented by Henry Edmunds for producing figures of light from vibrations of sound. It consists essentially of three parts, an induction coil, an interrupter, and a rotary vacuum tube. 1888Amer. Ann. Deaf Jan. 84 Forchhammer's Phonoscope. Mr. E. Walther..says that it solves the problem of the optical representation of the pitch of the voice in the simplest and clearest manner. The instrument is of service in correcting the unnatural pitch of the voice in which some pupils speak. 1890Cent. Dict., Phonoscope, a machine for recording music as it is played or sung.
3. = microphone. |