sonogram
(ˈsəʊnəgræm)
Also sonagram.
[f. sono- + -gram.]
A graphical representation, produced by a sonograph, of the distribution of sound energy among different frequencies, esp. as a function of time.
| 1956 New Biol. XX. 71 (caption) Sonograms of songs of two male chaffinches from different ‘dialect areas’. 1957 Jrnl. Acoustical Soc. Amer. XXIX. 108/1 (caption) Sonagrams of the words ‘tack’ ‘task’ ‘tact’..illustrating the role that transitions and bursts play in the perception of stops. 1969 R. Stenuit Dolphin v. 73 Analysis of the sonogram of a conversation shows click exchanges and whistle exchanges. 1978 Country Life 28 Dec. 2225/1 By comparing the sonograms differences can be isolated between the call patterns of individual birds. 1980 Times 19 Aug. 12/6 Dr Silver used a hydrophone to record the sounds under water and obtained a visual record in the form of a sonogram. |