阅读说明：本技术 声波处理系统和机动车辆 (Sound wave processing system and motor vehicle ) 是由 李青 李�昊 于 2020-05-29 设计创作，主要内容包括：本发明提供了一种声波处理系统和机动车辆,声波处理系统用于对机动车辆之中的声波进行处理,声波处理系统包括：一个或多个的声波采集装置,设于机动车辆之中,以采集机动车辆中的声波；声波处理装置,根据来自声波采集装置的声波,确定声波的频率、相位和振幅；声波输出装置,根据来自声波处理装置的频率判定声波的属性信息,并根据属性信息和来自声波处理装置的频率、相位和振幅,向机动车辆之中输出降噪声波和放大声波中的至少之一。本发明能够提高驾驶的安全性和驾驶体验。(The invention provides a sound wave processing system and a motor vehicle, wherein the sound wave processing system is used for processing sound waves in the motor vehicle, and comprises the following components: one or more sound wave collecting devices provided in the motor vehicle to collect sound waves in the motor vehicle; the sound wave processing device determines the frequency, the phase and the amplitude of the sound wave according to the sound wave from the sound wave acquisition device; and an acoustic wave output device that determines attribute information of the acoustic wave based on the frequency from the acoustic wave processing device, and outputs at least one of the noise-reduced acoustic wave and the amplified acoustic wave into the motor vehicle based on the attribute information and the frequency, phase, and amplitude from the acoustic wave processing device. The invention can improve the driving safety and the driving experience.)

1. An acoustic processing system for processing acoustic waves in a motor vehicle, the acoustic processing system comprising:

one or more sound wave collecting devices arranged in the motor vehicle to collect the sound waves in the motor vehicle;

the sound wave processing device is used for determining the frequency, the phase and the amplitude of the sound wave according to the sound wave from the sound wave acquisition device;

and an acoustic wave output device that determines attribute information of the acoustic wave based on the frequency from the acoustic wave processing device, and outputs at least one of a noise reduction acoustic wave and an amplified acoustic wave into the motor vehicle based on the attribute information and the frequency, phase, and amplitude from the acoustic wave processing device.

2. The acoustic processing system of claim 1,

the sound wave output device judges that the attribute information is that the sound wave comprises a sound wave to be filtered, and filters the sound wave to be filtered, wherein the frequency of the sound wave to be filtered is less than 20 Hz or more than 20000 Hz.

3. The acoustic processing system of claim 1,

the sound wave output device judges that the attribute information is that the sound wave comprises a noise sound wave, and outputs the noise reduction sound wave to the motor vehicle according to the frequency, the phase and the amplitude of the noise sound wave, wherein the noise reduction sound wave has the same frequency, the opposite phase and the same amplitude as the noise sound wave.

4. The acoustic processing system of claim 1,

the sound wave output device judges that the attribute information is that the sound wave comprises a sound wave to be amplified, and outputs the amplified sound wave to the motor vehicle according to the frequency, the phase and the amplitude of the sound wave to be amplified, wherein the frequency and the phase of the amplified sound wave are the same as those of the sound wave to be amplified, and the amplitude of the amplified sound wave is larger than that of the sound wave to be amplified.

5. The acoustic processing system of claim 4,

the amplitude of the amplified sound wave is 2 to 6 times the amplitude of the sound wave to be amplified.

6. The acoustic processing system according to any one of claims 1 to 5, wherein the motor vehicle includes a driving zone, a passenger zone, a chassis zone, a vehicle body front zone and a vehicle body rear zone, the acoustic collection device comprising:

one or more first sound wave collecting devices arranged in the driving area to collect the sound waves in the driving area; and/or

One or more second sound wave collecting devices arranged in the copilot area to collect the sound waves in the copilot area; and/or

One or more third sound wave collecting devices arranged in the passenger area to collect the sound waves in the passenger area; and/or

One or more fourth sound wave collecting devices arranged in the chassis area to collect the sound waves in the chassis area; and/or

One or more fifth sound wave collecting devices provided in the front region of the vehicle body to collect the sound waves in the front region of the vehicle body; and/or

One or more sixth sound wave collecting devices provided in the vehicle body rear region to collect the sound waves in the vehicle body rear region.

7. The acoustic processing system according to any one of claims 1 to 5, wherein the motor vehicle includes a driving zone, a chassis zone, a vehicle body front zone and a vehicle body rear zone, the acoustic wave collection device comprising:

one or more fourth sound wave collecting devices arranged in the chassis area to collect the sound waves in the chassis area;

one or more fifth sound wave collecting devices provided in the front region of the vehicle body to collect the sound waves in the front region of the vehicle body;

one or more sixth sound wave collecting devices provided in the rear region of the vehicle body to collect the sound waves in the rear region of the vehicle body;

the sound wave output device outputs the noise reduction sound waves with the same frequency, the opposite phase and the same amplitude as the sound waves from the fourth sound wave collecting device, the fifth sound wave collecting device and the sixth sound wave collecting device to the driving area.

8. The acoustic processing system according to any one of claims 1 to 5, wherein the motor vehicle includes a driving zone, a copilot zone and a passenger zone, the acoustic collection device comprising:

one or more second sound wave collecting devices arranged in the copilot area to collect the sound waves in the copilot area;

one or more third sound wave collecting devices arranged in the passenger area to collect the sound waves in the passenger area;

wherein the sound wave output device outputs the amplified sound wave to the driving area with the same frequency and phase as the sound waves from the second sound wave collection device and the third sound wave collection device.

9. The acoustic processing system according to any one of claims 1 to 5, wherein the motor vehicle includes a driving area, the acoustic collection device comprising:

one or more first sound wave collecting devices arranged in the driving area to collect the sound waves in the driving area;

the sound wave output device outputs the noise reduction sound waves with the same frequency, opposite phase and same amplitude as the sound waves from the first sound wave collecting device and the amplified sound waves with the same frequency and same phase as the sound waves from the first sound wave collecting device to the driving area.

10. A motor vehicle, characterized by comprising

A vehicle body;

the acoustic processing system of any of claims 1-9, disposed in the vehicle body;

wherein the sound wave processing system is used for processing sound waves in a motor vehicle.

Technical Field

The invention relates to the technical field of sound wave processing, in particular to a sound wave processing system and a motor vehicle.

Background

At present, the quality requirement of a user on a noise reduction product inside a vehicle is higher and higher in the using process of the vehicle, a common means for processing vehicle noise in the related technology is to develop the noise reduction product in the early stage of development in a computer simulation mode and reduce noise in the later stage in a sound insulation and sound absorption mode, and the modes are limited and single in sound insulation effect and cannot meet the processing requirements on sounds in different frequency bands according to the driving condition of the vehicle. In real life, external noise sources are numerous in the vehicle running process, and various sound sources are overlapped, so that the existing sound wave processing system is difficult to identify and process the noise sources in a targeted manner, and therefore how to flexibly process the noise according to different vehicle running conditions becomes an important problem to be solved in the prior art.

Disclosure of Invention

The present invention is directed to solving at least one of the above problems.

To this end, a first object of the present invention is to provide an acoustic wave processing system.

A second object of the invention is to provide a motor vehicle.

To achieve the first object of the present invention, an embodiment of the present invention provides an acoustic wave processing system, including: one or more sound wave collecting devices disposed within the motor vehicle to collect sound waves in the motor vehicle; the sound wave processing device determines the frequency, the phase and the amplitude of the sound wave according to the sound wave from the sound wave acquisition device; and an acoustic wave output device that determines attribute information of the acoustic wave based on the frequency from the acoustic wave processing device, and outputs at least one of the noise-reduced acoustic wave and the amplified acoustic wave into the motor vehicle based on the attribute information and the frequency, phase, and amplitude from the acoustic wave processing device.

The acoustic wave output device outputs at least one of a noise reduction acoustic wave and an amplified acoustic wave to the motor vehicle based on the attribute information and the frequency, phase, and amplitude from the acoustic wave processing device after acquiring the attribute information of the acoustic wave. Wherein the noise reducing sound wave is capable of canceling out noise, and the amplifying sound wave is capable of amplifying sound containing useful information. Therefore, this embodiment provides one kind and can carry out the technical scheme who falls the processing of making an uproar voluntarily according to the noise characteristics of vehicle real-time operation, and it can not only reduce the noise level, promotes to fall the quality of making an uproar, can also improve driving safety nature.

In addition, the technical solution provided by the above embodiment of the present invention may further have the following additional technical features:

in the above technical solution, the acoustic wave processing system further includes: the sound wave output device judges that the attribute information is that the sound waves comprise sound waves to be filtered, and filters the sound waves to be filtered, wherein the frequency of the sound waves to be filtered is smaller than Hertz or larger than Hertz.

In the embodiment, the sound wave to be filtered is filtered through the sound wave output device, so that the steps of subsequently outputting the noise reduction sound wave and amplifying the sound wave are smoothly implemented.

In any of the above technical solutions, the acoustic wave processing system further includes: and an acoustic wave output device for judging whether the attribute information is acoustic waves including noise acoustic waves, and outputting noise reduction acoustic waves to the motor vehicle according to the frequency, phase and amplitude of the noise acoustic waves, wherein the noise reduction acoustic waves have the same frequency, opposite phase and same amplitude as the noise acoustic waves.

In the embodiment, the noise reduction sound wave is output from the sound wave output device in the motor vehicle, wherein the noise reduction sound wave and the noise sound wave have the same frequency, opposite phases and the same amplitude, so that the noise reduction sound wave and the noise sound wave can be counteracted to achieve the purpose of noise reduction.

In any of the above technical solutions, the acoustic wave processing system further includes: the acoustic wave output device judges that the attribute information is that the acoustic wave includes an acoustic wave to be amplified, and outputs the amplified acoustic wave to the motor vehicle according to the frequency, the phase and the amplitude of the acoustic wave to be amplified, wherein the frequency and the phase of the amplified acoustic wave are the same as those of the acoustic wave to be amplified, and the amplitude of the amplified acoustic wave is larger than that of the acoustic wave to be amplified.

The embodiment outputs the amplified sound wave from the motor vehicle through the sound wave output device, wherein the amplified sound wave has the same frequency and the same phase as those of the sound wave to be amplified, so that the amplified sound wave can amplify the sound wave to be amplified, and a driver can obtain useful information such as automobile whistling, traffic alarm whistle, passenger sound and the like.

In any of the above technical solutions, the acoustic wave processing system further includes: the amplitude of the amplified sound wave is 2 to 6 times the amplitude of the sound wave to be amplified.

The embodiment limits the relationship between the amplitude of the amplified sound wave and the amplitude of the sound wave to be amplified so as to ensure reasonable amplitude of the amplified sound wave and enable a driver to clearly know information contained in the amplified sound wave.

In any of the above technical solutions, the acoustic wave processing system further includes: motor vehicle includes driving zone, copilot area, passenger's region, chassis region, vehicle body front portion region and vehicle body rear portion region, and the sound wave collection system includes: the one or more first sound wave acquisition devices are arranged in the driving area to acquire sound waves in the driving area; and/or one or more second sound wave collecting devices arranged in the copilot area to collect sound waves in the copilot area; and/or one or more third sound wave collecting devices arranged in the passenger area to collect the sound waves in the passenger area; and/or one or more fourth sound wave collecting devices arranged in the chassis area to collect sound waves in the chassis area; and/or one or more fifth sound wave collecting devices arranged in the front area of the vehicle body to collect sound waves in the front area of the vehicle body; and/or one or more sixth sound wave collecting devices provided in the rear region of the vehicle body to collect sound waves in the rear region of the vehicle body.

The present embodiment can collect sounds of any one or several areas among a plurality of areas of the motor vehicle to reduce noise of a specific area or a designated area and output amplified sound waves to the specific area or the designated area.

In any of the above technical solutions, the acoustic wave processing system further includes: motor vehicle includes driving zone, chassis region, vehicle body front portion region and vehicle body rear portion region, and the sound wave collection system includes: one or more fourth sound wave collecting devices arranged in the chassis area to collect sound waves in the chassis area; one or more fifth sound wave collecting devices arranged in the front area of the vehicle body to collect sound waves in the front area of the vehicle body; one or more sixth sound wave collecting devices provided in the rear region of the vehicle body to collect sound waves in the rear region of the vehicle body; the sound wave output device outputs noise reduction sound waves with the same frequency, the opposite phase and the same amplitude as the sound waves from the fourth sound wave collecting device, the fifth sound wave collecting device and the sixth sound wave collecting device to the driving area.

The sound wave output device outputs noise reduction sound waves with the same frequency, the opposite phase and the same amplitude as the sound waves from the fourth sound wave collecting device, the fifth sound wave collecting device and the sixth sound wave collecting device so as to avoid the influence of noise of vehicle parts on a driver.

In any of the above technical solutions, the acoustic wave processing system further includes: the motor vehicle comprises a driving area, a copilot area and a passenger area, and the sound wave acquisition device comprises: one or more second sound wave collecting devices arranged in the copilot area to collect the sound waves in the copilot area; one or more third sound wave collecting devices arranged in the passenger area to collect the sound waves in the passenger area; the sound wave output device outputs amplified sound waves to the driving area, wherein the amplified sound waves have the same frequency and the same phase as sound waves from the second sound wave collecting device and the third sound wave collecting device.

The sound emitted by passengers in the passenger area and the passenger area contains useful information, and the second sound wave collecting device and the third sound wave collecting device collect the sound waves to be amplified in the passenger area and the passenger area so that the sound wave output device can output the amplified sound waves with the same frequency and the same phase as the sound waves from the second sound wave collecting device and the third sound wave collecting device.

In any of the above technical solutions, the acoustic wave processing system further includes: the motor vehicle comprises a driving area, and the sound wave acquisition device comprises: the one or more first sound wave acquisition devices are arranged in the driving area to acquire sound waves in the driving area; the sound wave output device outputs noise reduction sound waves with the same frequency, opposite phase and same amplitude as the sound waves from the first sound wave collecting device and amplified sound waves with the same frequency and same phase as the sound waves from the first sound wave collecting device to a driving area.

In this embodiment, the first sound wave collecting device collects the sound of the driver, the sound wave output device outputs the noise reduction sound wave with the same frequency, the opposite phase and the same amplitude as the sound wave from the first sound wave collecting device to the driving area so as to avoid the influence of the noise on the driver, and the sound wave output device outputs the amplified sound wave with the same frequency and the same phase as the sound wave from the first sound wave collecting device to the driving area so as to ensure that the driver can receive useful sound.

To achieve the second object of the present invention, embodiments of the present invention provide a motor vehicle, including a vehicle body and the acoustic wave processing system of any of the embodiments of the present invention, the acoustic wave processing system being provided in the vehicle body; wherein the sound wave processing system is used for processing sound waves in a motor vehicle.

The motor vehicle of this embodiment includes the acoustic wave processing system of any embodiment of the present invention, which has all the benefits of the acoustic wave processing system of any embodiment of the present invention, and will not be described herein again.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic illustration of the composition of an acoustic treatment system according to one embodiment of the present invention;

fig. 2 is a schematic diagram of the arrangement position of the sound wave collecting device according to an embodiment of the present invention;

fig. 3 is a schematic composition diagram of a motor vehicle according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

100: sonication system, 110: acoustic wave collection device, 111: first acoustic wave collection device, 112: second sound wave collection device, 113: third acoustic wave collection device, 114: fourth acoustic-wave collection device, 115: fifth sound wave acquisition means, 116: sixth sound wave collecting device, 120: acoustic wave processing apparatus, 130: acoustic wave output device, 200: motor vehicle, 210: driving area, 220: copilot area, 230: passenger area, 240: chassis region, 250: vehicle body front region, 260: vehicle body rear region, 270: a vehicle body.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

At present, the quality requirement of a user on a noise reduction product inside a vehicle is higher and higher in the using process of the vehicle, a common means for processing vehicle noise in the related technology is to develop the noise reduction product in the early stage of development in a computer simulation mode and reduce noise in the later stage in a sound insulation and sound absorption mode, and the modes are limited and single in sound insulation effect and cannot meet the processing requirements on sounds in different frequency bands according to the driving condition of the vehicle. In real life, external noise sources are numerous in the vehicle running process, and various sound sources are overlapped, so that the existing sound wave processing system is difficult to identify and process the noise sources in a targeted manner, and therefore how to flexibly process the noise according to different vehicle running conditions becomes an important problem to be solved in the prior art. To address at least one of the above-identified problems in the prior art, the present invention provides an acoustic wave processing system 100 and a motor vehicle 200. Acoustic treatment systems 100 and motor vehicles 200 of some embodiments of the present invention are described below with reference to fig. 1-3.