MULTI-CHANNEL IN-VEHICLE SOUND SYSTEM

Abstract

The disclosure relates to a multi-channel in-vehicle sound system, comprising: an audio processing device, a power amplifier, and a plurality of speakers, wherein the plurality of speakers comprise: a central speaker arranged in the center of the front of a vehicle cabin; a left speaker arranged in the left front of the vehicle cabin; a right speaker arranged in the right front of the vehicle cabin; a left surround speaker arranged on the left of the vehicle cabin; a right surround speaker arranged on the right of the vehicle cabin; a left front 3D speaker and a right front 3D speaker arranged on two sides of a roof and corresponding to the positions of front seats. for any one of the plurality of speakers, an azimuth compensation for the speaker is made by means of the speakers located around the speaker. According to the multi-channel in-vehicle sound system of the present disclosure, a more immersive sound field can be is provided, a better sound experience can be achieved, and the timbre can be better restored.

Description

Claims

1. A multi-channel in-vehicle sound system, comprising: an audio processing device, a power amplifier, and a plurality of speakers, wherein the audio processing device is configured to distribute multi-channel audio to the plurality of speakers, the power amplifier is configured to amplify the power of an audio signal processed by the audio processing device, and the speakers are configured to play the distributed audio, and wherein the plurality of speakers comprise: a central speaker arranged in the center of the front of a vehicle cabin;a left speaker arranged in the left front of the vehicle cabin;a right speaker arranged in the right front of the vehicle cabin;a left surround speaker arranged on the left of the vehicle cabin;a right surround speaker arranged on the right of the vehicle cabin; anda left front 3D speaker and a right front 3D speaker arranged on two sides of a roof and corresponding to the positions of front seats; andfor any one of the plurality of speakers, an azimuth compensation for the speaker is made by means of the speakers located around the speaker.

2. The multi-channel in-vehicle sound system according to claim 1, wherein the plurality of speakers further comprise: a left rear 3D speaker and a right rear 3D speaker arranged on two sides of the roof and corresponding to the positions of rear seats.

3. The multi-channel in-vehicle sound system according to claim 2, wherein the plurality of speakers further comprise: a left rear surround speaker arranged in the left rear of the vehicle cabin; anda right rear surround speaker arranged in the right rear of the vehicle cabin.

4. The multi-channel in-vehicle sound system according to claim 3, wherein an azimuth compensation for the speaker being made by the speakers located around the speaker comprises: realizing the azimuth compensation by adjusting one or more of gain frequency, frequency, delay and phase of the speakers around the speaker.

5. The multi-channel in-vehicle sound system according to claim 4, wherein in the case of a blockage between an occupant and the speaker, a blockage compensation is made as the azimuth compensation by means of one or more speakers around the speaker.

6. The multi-channel in-vehicle sound system according to claim 4, wherein in the case of a too small distance between the occupant and the speaker, a distance compensation is made as the azimuth compensation by means of one or more speakers around the speaker.

7. The multi-channel in-vehicle sound system according to claim 4, wherein the left speaker, the right speaker, the left surround speaker and the right surround speaker each employ a 3-frequency division, including treble, alto and bass;the left rear surround speaker and the right rear surround speaker each employ a 2-frequency division, including treble and alto; andthe left front 3D speaker and the right front 3D speaker each employ a 2-frequency division, including treble and alto.

8. The multi-channel in-vehicle sound system according to claim 7, wherein the bass of the left front 3D speaker is compensated by means of the bass of the left speaker.

9. The multi-channel in-vehicle sound system according to claim 7, wherein the left speaker, the right speaker, the left surround speaker and the right surround speaker each are composed of three independent speakers, that is, a treble speaker, an alto speaker, and a bass speaker;the left rear surround speaker and the right rear surround speaker each are composed of two independent speakers, that is, a treble speaker and an alto speaker; andthe left front 3D speaker and the right front 3D speaker each are composed of two independent speakers, that is, a treble speaker and an alto speaker.

10. The multi-channel in-vehicle sound system according to claim 2, wherein the left front 3D speaker, the right front 3D speaker, the left rear 3D speaker and the right rear 3D speaker each are arranged at positions above 90% of a preset average height in a sitting posture.