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    • 2. 发明专利
    • Volume control in movie theater
    • 电影院的音量控制
    • JP2011125042A
    • 2011-06-23
    • JP2011004578
    • 2011-01-13
    • Dolby Lab Licensing Corpドルビー・ラボラトリーズ・ライセンシング・コーポレーションDolby Laboratories Licensing Corporation
    • JACOBS STEPHEN M
    • H03G3/02H04S7/00
    • H03G3/00H04S7/00H04S2400/13
    • PROBLEM TO BE SOLVED: To provide a volume control method that provides superior soundtrack during reproduction of motion pictures. SOLUTION: A motion picture soundtrack reproduction system includes a center front soundtrack channel and a plurality of other soundtrack channels. A volume control adjusts the gain of all the channels. The volume control has a range of settings from a minimum to a maximum, the gain of the center front channel has substantially a first relationship to the volume control settings, and the gain of the other channels has substantially a second relationship to the volume control settings. These relationships are established such that for a range of volume control settings less than a first setting, the gain of the center front channel remains substantially constant while the gain of the other channels decreases as the setting decreases or the gain of the center front channel decreases more gradually than the gain of the other channels as the setting decreases. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种在播放动态影像期间提供优良音轨的音量控制方法。 解决方案:一种运动图像配乐再现系统,包括中央前置原声道和多个其它原声道。 音量控制调节所有通道的增益。 音量控制具有从最小到最大的设置范围,中心前部通道的增益与音量控制设置基本上具有第一关系,并且其他通道的增益与音量控制设置基本上具有第二关系 。 这些关系被建立为使得对于小于第一设置的音量控制设置的范围,中心前通道的增益保持基本上恒定,而其他通道的增益随着设置的减小或中心前通道的增益减小而减小 随着设置的减少,比其他通道的增益更多。 版权所有(C)2011,JPO&INPIT