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Recording Studio Design, 4th Edition by Philip Newell

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Chapter 22

Dubbing Theatres and Cinema Sound

[Early days of sound in the cinema. Modern dubbing theatres. Loudspeaker layouts. SPLs and isolation needs. Compatibility issues. The X-curve. Perception of sound with different image sizes. Flawed concepts of room equalisation. Perception of dialogue levels. Screen losses. Baffle walls. Comb-filtering. Improved methods of calibration. Immersive audio systems.]

22.1 Background

It was very much due to the demand for sound in the cinemas that the development of loudspeakers was so rapid in the 1920s and 1930s. The first ‘talking picture’ was released in 1927, yet this was only three years after Rice and Kellogg had patented the direct-radiating moving-coil loudspeaker, which was then only of a ...

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