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    • 3. 发明授权
    • Limiting the damaging effects of loud music from audio systems, particularly from automobile audio systems
    • 限制来自音频系统,特别是汽车音响系统的大声音乐的破坏性影响
    • US06895290B2
    • 2005-05-17
    • US10195187
    • 2002-07-11
    • Faisal M. AwadaJoe Nathan BrownPhilip Bernard Burkes
    • Faisal M. AwadaJoe Nathan BrownPhilip Bernard Burkes
    • H03G5/16H04R29/00G06F17/00
    • H04R29/001H03G5/165
    • Minimizing the damaging effects of loud music but with minimal reduction in aesthetic quality of the music. When music presented through an audio is sampled in order to determine average frequency, music having very low average frequencies is predictably likely to be played louder than sampled music having higher average frequencies. This unexpected observation is based upon a human factor, i.e. rock and related music that is ordinarily composed and presented at relatively low frequencies, e.g. 500 to 1000 Hz is likely to be played on the audio system at very high volume because of the tastes of its listeners. An audio system for a data processor controlled presentation of music with a set up for minimizing the damaging effects of loud music comprising an implementation for predetermining a minimum average frequency of music being presented in combination with measuring whether the music being presented falls below said minimum average frequency for a sampling period. Then, based on the above recognition, there is provided a device for automatically limiting the music being presented to an audio volume below a predetermined level when said measured average frequency for said sampling period is below said minimum average frequency.
    • 尽量减少大声音乐的破坏性影响,但音乐的美学质量降低最小。 当通过音频呈现的音乐被采样以便确定平均频率时,具有非常低平均频率的音乐可预测地可能比具有较高平均频率的采样音乐更大地播放。 这种意想不到的观察是基于人为因素,即通常以相对低的频率组合和呈现的摇滚和相关音乐,例如, 由于其听众的口味,音频系统可能会以非常高的音量播放500至1000 Hz。 一种音频系统,用于数据处理器控制的音乐演示,其设置用于最小化大声音乐的破坏性影响,包括用于预测所呈现的音乐的最小平均频率的实现,结合测量所呈现的音乐是否低于所述最小平均值 采样周期的频率。 然后,基于上述识别,提供了一种用于当所述所述采样周期的所述测量平均频率低于所述最小平均频率时,自动限制正在呈现给音频量低于预定水平的音乐的装置。