Volume and compression control in movie theaters

Details Volume and compression control in movie theaters Volume and compression control in movie theaters

H - Electricity

03

G

H03G 7/00 (2006.01)

Patent

CA 2520118

A single control determines both volume and the degree of compression in the reproduction of motion picture soundtracks. For some settings of the control, compression or limiting reduces the highest levels on a movie soundtrack, leaving the dialogue level substantially unchanged, thus removing the reason for complaints from the audience without the danger of making the dialogue too quiet for intelligibility.

L'invention concerne une commande unique permettant de déterminer aussi bien le volume que le degré de compression dans la reproduction des bandes son de films. Pour quelques réglages de la commande, une compression ou une limitation réduit les niveaux les plus élevés sur une bande son de film, le niveau du dialogue restant sensiblement inchangé et l'audience n'ayant ainsi plus de raison de se plaindre, sans pour autant rendre le dialogue trop silencieux afin de conserver une netteté phonique.

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