| 释义 |
psycho-aˈcoustic, a.
[f. psycho- + acoustic a.]
Pertaining to the perception of sound and the production of speech or to the study of these. Also psycho-aˈcoustical a., -aˈcoustically adv.
1885W. Stirling tr. Landois's Text-bk. Human Physiol. II. xiii. 922 The psycho-acoustic centre..lies, in the dog,..in the region of the second primary convolution. 1946Jrnl. Aeronaut. Sci. XIII. 255 The Psycho-Acoustic Laboratory, Harvard University. 1953Electronic Engin. XXV. 24/2 Acoustic and psycho-acoustic distortion. These forms of distortion occur through imperfections in the acoustics of studios and listening rooms, the use of mon-aural (single channel) reproducing chains, [etc.]. 1953Language XXIX. 85 Measurement of fidelity has to be made psycho-acoustically in terms of the whole speech signal, not just in terms of its linguistic content. 1958New Scientist 30 Oct. 1165/1 A great deal of psycho-acoustical work has concerned simple sounds, like pure tones, or sharp clicks. 1971Computers & Humanities V. 312 Use of the computer in investigating psycho-acoustical phenomena. 1975G. J. King Audio Handbk. vii. 163 Several psycho-acoustical principles govern the subjective assimilation of quadraphony. 1976Gramophone Jan. 1269/2 Now the physical and psycho-acoustic conditions for correct perception of direction of sound can be expressed by equations. 1977New Scientist 1 Dec. 574/2 Ways and means of psychoacoustically handling the retrieved signals so that they produce a realistic surround of sound.
So psycho-aˈcoustics, the science of the perception of sound and the production of speech; ˌpsycho-acouˈstician, an expert or specialist in psycho-acoustics.
1948Mind LVII. 388 Harvard divided psychology into two Departments—the Department of Social Relations..and the Department of General Psychology, with three..laboratories of General Psychology, Physiological Psychology and Psycho-Acoustics. 1958New Scientist 30 Oct. 1165/3 The science of acoustics..has branched out into two fields which are essentially modern in idea and purpose... The first field is ultrasonics... The second field is psycho-acoustics, which is, essentially, the study of hearing, but more especially the whole speech-hearing process. 1963Ervin & Miller in Child Psychol. (62nd Yearbk. Nat. Soc. Study of Educ. 1) iii. 111 Information on the actual phonetic cues used by the child could be obtained by using artificially constructed vocalic stimuli. Such studies have been conducted by psychoacousticians on adults, but not on children. 1976Canad. Jrnl. Linguistics XXI. i. 2 It would be pointless, e.g., to try to incorporate all of the practically infinite variations of the acoustic wave form into a descriptive system for psycho-acoustics when what is required is an adequate description of those specific properties of the sound pattern which significantly affect the perception of speech. 1977Rolling Stone 30 June 41/2 Next I met David Wessel, a psychoacoustician (one who studies human perception of sound) from Michigan State University. |