The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 19
... Sound When a human being speaks he is said to produce sound , and anyone nearby who has adequate hearing ability is said to hear the sound . The experience is a manifestation of a phenomenon of great significance to man , who is im ...
... Sound When a human being speaks he is said to produce sound , and anyone nearby who has adequate hearing ability is said to hear the sound . The experience is a manifestation of a phenomenon of great significance to man , who is im ...
Page 21
... sound propa- gation Absence of dispersion Spherical. for this quantity is the decibel ( abbreviated dB ) . If the intensity of a given sound in absolute units is I and the minimum audible intensity is Io , the sound is said to be a ...
... sound propa- gation Absence of dispersion Spherical. for this quantity is the decibel ( abbreviated dB ) . If the intensity of a given sound in absolute units is I and the minimum audible intensity is Io , the sound is said to be a ...
Page 59
... sound source S1 S2 S3 SA Ss S microphone room transducer monaural S ' earphone listener room microphone transducer S ' loud- speaker listener room studio ... sound - reproducing system may be constructed Sound Recording and Reproducing 59.
... sound source S1 S2 S3 SA Ss S microphone room transducer monaural S ' earphone listener room microphone transducer S ' loud- speaker listener room studio ... sound - reproducing system may be constructed Sound Recording and Reproducing 59.
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