| 释义 |
periphonic, a.|pɛrɪˈfɒnɪk|
[f. peri- + phonic a.]
Such as to reproduce the vertical as well as the horizontal distribution of sound that has been recorded, by means of one or more loudspeakers above the level of the listener in addition to ones around him at his own level.
Whether this is the sense in quot. 19701 is uncertain.
1970Times 25 June 7/2 The French pieces were almost as uneventful, even with benefit of this excellent multi⁓channel, so-called periphonic, sound. 1970M. Gerzon in Studio Sound Aug. 338/1 The second part of this article is devoted to the use of these considerations in obtaining a system of Periphonic (Greek: peri-, around) sound reproduction, i.e. the reproduction of sound in all spatial directions. 1974Nature 13 Dec. 537/1 A minimum of four loudspeakers are geometrically necessary to surround the listener in three dimensions and give periphonic reproduction. 1976Gramophone Feb. 1398/1 The real potential of four channels lies in periphonic reproduction using at least six loudspeakers. Ibid., Although four channels are in a sense ideal for periphonic reproduction, it can be realised using only three channels.
Hence peˈriphony, periphonic reproduction.
1970M. Gerzon in Studio Sound Sept. 380/1 While Granville Cooper has recently described a system of periphony called ‘tetrahedral ambiophony’, this is only one of many possible periphonic techniques. 1974Nature 13 Dec. 537/1 To satisfy the psycho-acoustic criteria sufficiently well, however, the practical minimum is..six [loudspeakers] for periphony. |