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  1. Noise Pollution (3 Parts) (1975 Film, Video)

    Subject
    Environmental science
    Distribution
    Film (16mm)

    Part 1: Sources and effects of noise. Nature of sound definitions of loudness and sound intensity. Causes and measurement of hearing loss. Part 2: Physical principles of sound generation and behaviour,...

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  2. Sense of Hearing, The (1978 Audio)

    Subject
    Medical sciences
    Distribution
    OUT OF DISTRIBUTION, Audiocassette. 60 min.

    Sound intensity, loudness, frequency, pitch, decibel notation, audibility curves, conduction and nerve deafness, discrimination.

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  3. Sound of Silence, The / Subtracting Sound (1996 Video)

    Producer
    Jean Nunn
    Subject
    Mathematics; Music; Physics
    Distribution
    Sale, Videocassette. Standard formats. col. 19 min.

    1: Periodic sounds such as tones, including those from musical instruments, can be mathematically modelled as sine waves. Computer-generation animations and the facilities of the BBC Radiophonic Workshop are...

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