The invention provides an automotive audio power amplifier and an automobile, the automotive audio power amplifier comprises a control module, an audio processing module and a power amplification module which are in communication connection with one another, the power amplification module comprises a plurality of power amplification chips, and each power amplification chip is in communication connection with the audio processing module and the control module. Each power amplifier chip is provided with an audio output channel which is in communication connection with a loudspeaker on the vehicle; the control module judges the playing level of the audio information needing to be played according to a preset judgment rule, and controls part or all of the power amplifier chips to work according to the playing level; and the power amplifier chip in the working state amplifies and adjusts the audio digital signal and then outputs the audio digital signal to the loudspeaker for playing. According to the invention, the playing effect is dynamically adjusted according to actual functions and needs, the energy management scheme of vehicle audio playing is optimized, and the power consumption of the sound system is reduced on the premise of not changing the functions and performance of the sound system.
本发明提供一种车用音响功率放大器和汽车,车用音响功率放大器包括相互通信连接的控制模块、音频处理模块和功率放大模块,功率放大模块包括多个功放芯片,每个功放芯片均与音频处理模块和控制模块通信连接,每个功放芯片具有音频输出通道与车辆上的扬声器通信连接;控制模块根据预设的判断规则判断需播放的音频信息的播放等级,并根据播放等级控制部分或所有功放芯片工作;工作状态的功放芯片将音频数字信号放大调节后输出至扬声器进行播放。本发明实现根据实际功能和需要动态调整播放效果,优化了车辆音频播放的能量管理方案,在不改变音响系统功能和性能前提下,降低音响系统的功耗。
Automobile audio power amplifier and automobile
车用音响功率放大器和汽车
2024-06-11
Patent
Electronic Resource
Chinese
IPC: | H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |