The invention relates to a sound synthesis method, a sound synthesis device, a vehicle and a storage medium, and the method comprises the steps: obtaining rotating speed parameters of the vehicle at a plurality of moments; splicing the cylinder pressure segment signals corresponding to the rotating speed parameters at the multiple moments in the cylinder pressure segment set to obtain a cylinder pressure time domain signal; performing derivation processing on the cylinder pressure time domain signal to obtain a first time domain audio signal for simulating deflagration noise; synthesizing the cylinder pressure time-domain signal and a set simulated air noise signal to obtain a second time-domain audio signal of simulated aerodynamic noise; and synthesizing the sound time-domain audio signal according to the first time-domain audio signal and the second time-domain audio signal. Therefore, according to the method, on the basis of the pre-recorded cylinder pressure signals, the generation mechanism of real sound waves is simulated through nonlinear operation, and real-time simulated exhaust sound waves with better authenticity performance can be obtained.

    本公开涉及一种声浪合成方法、声浪合成装置、车辆和存储介质,所述方法,包括:获取车辆在多个时刻的转速参数;将缸压片段集合中,与多个时刻的转速参数相对应的缸压片段信号进行拼接,以得到缸压时域信号;对缸压时域信号进行求导处理,以得到模拟爆燃噪声的第一时域音频信号;根据缸压时域信号和设定的模拟空气噪声信号合成得到模拟气动噪声的第二时域音频信号;根据第一时域音频信号和第二时域音频信号合成声浪时域音频信号。由此,该方法基于预记录的缸压信号,以非线性运算模拟真实声浪的生成机理,可以获得真实性表现更优的实时模拟排气声浪。


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    Title :

    Sound wave synthesis method, sound wave synthesis device, vehicle, and storage medium


    Additional title:

    声浪合成方法、声浪合成装置、车辆和存储介质


    Contributors:
    LIU KAI (author) / ZHOU LINGSONG (author)

    Publication date :

    2024-09-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G10L Analyse oder Synthese von Sprache , SPEECH ANALYSIS OR SYNTHESIS / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein



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