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    • 1. 发明授权
    • High-efficiency low-voltage-power-supply high-power-output audio driver architecture
    • 高效率低压电源大功率输出音频驱动架构
    • US09571926B2
    • 2017-02-14
    • US13368073
    • 2012-02-07
    • Bai JianxiongShihao ChenJunxia ChenSijun Chen
    • Bai JianxiongShihao ChenJunxia ChenSijun Chen
    • H04R3/00H04R3/08
    • H04R3/00H04R3/08
    • The present invention discloses a high-efficiency low-voltage-power-supply high-power-output audio driver architecture, including: a multi-coil loudspeaker; and a single-input N-output audio power amplifier configured to amplify a received digital audio signal and to output N switch signals for driving the multi-coil loudspeaker, wherein N represents the number of output channels and is a positive integer greater than or equal to 2. By implementing the above mentioned method, the requirement of the high power output under low voltage input is met; the solution improves the output power by means of combination of coils, and, in cooperation with the unique dynamic power allocation technology, the solution achieves the power balance of the multiple coils, so that the output efficiency of the audio driver is greatly improved.
    • 本发明公开了一种高效低压电源大功率输出音频驱动器架构,包括:多线圈扬声器; 以及单输入N输出音频功率放大器,被配置为放大接收到的数字音频信号并输出​​用于驱动多线圈扬声器的N个开关信号,其中N表示输出通道的数量,并且是大于或等于正的整数 通过实施上述方法,满足低压输入下高功率输出的要求。 该解决方案通过线圈组合提高输出功率,并且与独特的动态功率分配技术配合,实现了多个线圈的功率平衡,从而大大提高了音频驱动器的输出效率。
    • 2. 发明申请
    • HIGH-EFFICIENCY LOW-VOLTAGE-POWER-SUPPLY HIGH-POWER-OUTPUT AUDIO DRIVER ARCHITECTURE
    • 高效低功率供电大功率输出音频驱动器架构
    • US20120257771A1
    • 2012-10-11
    • US13368073
    • 2012-02-07
    • Jianxiong BaiShihao ChenJunxia ChenSijun Chen
    • Jianxiong BaiShihao ChenJunxia ChenSijun Chen
    • H03F99/00
    • H04R3/00H04R3/08
    • The present invention discloses a high-efficiency low-voltage-power-supply high-power-output audio driver architecture, including: a multi-coil loudspeaker; and a single-input N-output audio power amplifier configured to amplify a received digital audio signal and to output N switch signals for driving the multi-coil loudspeaker, wherein N represents the number of output channels and is a positive integer greater than or equal to 2. By implementing the above mentioned method, the requirement of the high power output under low voltage input is met; the solution improves the output power by means of combination of coils, and, in cooperation with the unique dynamic power allocation technology, the solution achieves the power balance of the multiple coils, so that the output efficiency of the audio driver is greatly improved.
    • 本发明公开了一种高效低压电源大功率输出音频驱动器架构,包括:多线圈扬声器; 以及单输入N输出音频功率放大器,被配置为放大接收到的数字音频信号并输出​​用于驱动多线圈扬声器的N个开关信号,其中N表示输出通道的数量,并且是大于或等于正的整数 通过实施上述方法,满足低压输入下高功率输出的要求。 该解决方案通过线圈组合提高输出功率,并且与独特的动态功率分配技术配合,实现了多个线圈的功率平衡,从而大大提高了音频驱动器的输出效率。