WO2022134521A1

WO2022134521A1 - In-vehicle panoramic sound device and automobile loudspeaker system

Info

Publication number: WO2022134521A1
Application number: PCT/CN2021/103628
Authority: WO
Inventors: 丁洪兵; 瞿成名; 沈跃武; 殷惠龙; 王小青; 柴国强; 周建明
Original assignee: 苏州上声电子股份有限公司
Priority date: 2020-12-21
Filing date: 2021-06-30
Publication date: 2022-06-30
Also published as: CN213906909U

Abstract

The present invention designs an in-vehicle panoramic sound device and an automobile loudspeaker system. The in-vehicle panoramic sound device comprises a sound production apparatus, the sound production apparatus comprising vehicle door loudspeaker groups, and each vehicle door corresponding to at least one of the vehicle door loudspeaker groups; a center loudspeaker provided at an instrument panel on the front side of an automobile; surround loudspeakers provided on the rear side of rear seats so as to correspond to the ears of people seated on the rear seats; a subwoofer provided on a trunk of a vehicle; and exciters provided on a ceiling above the seats, each seat corresponding to at least one of the exciters and the like. The panoramic sound device and the automobile loudspeaker system of the present invention omnidirectionally cover the space in the vehicle, and can generate a high-quality panoramic sound effect.

Description

In-car panoramic sound equipment and car audio system

The present disclosure claims priority to Chinese Patent Application No. CN2020231013475 filed on December 21, 2020, the entire contents of which are incorporated into the present disclosure by reference.

technical field

The present disclosure relates to the field of in-vehicle audio playback equipment, in particular to an in-vehicle panoramic sound equipment and a car audio system.

Background technique

Now that cars have basically become popular, people stay in the car for longer and longer, and the requirements for various entertainment facilities in the car are higher and higher, and the requirements for sound are also higher and higher. As an integral part of the car, the car audio system is an entertainment tool that can be enjoyed by drivers and passengers in the car. It is also a means of enabling drivers to obtain social information. higher pursuit. Since the inside of the car is a closed space, the space is relatively small, and there are many reflected signals, so the processing of the sound field sound effect, the layout of the speakers, and how to achieve the effect of a theater or theater in the car are particularly complicated. The sound system of many cars is too simple to achieve the effect of panoramic sound, and the sound effect is poor. For example, the three-dimensional surround sound arrangement structure of the automobile published by the patent 201120455091.X is composed of the audio host on the instrument panel and the speakers of the top interior panel. This stereo surround sound field has a relatively single sound source and poor sound effect.

public content

In view of the above problems, the present disclosure provides an in-vehicle panoramic sound device and a car audio system, the sound field of which can cover the entire interior space in an all-round way, and brings passengers a good listening experience.

According to a first aspect of the present disclosure, an in-vehicle panoramic sound device includes a sound-generating device, the sound-generating device comprising: a door speaker group, which is configured to be arranged at a vehicle door of a vehicle, each vehicle door corresponding to at least one of the vehicle doors Speaker group; center speaker for setting at the front dashboard of the car; surround speakers for setting the rear side of the rear seat to correspond to the ears of passengers on the rear seat; subwoofer for setting in the trunk of the automobile; and an exciter for being arranged at the ceiling above the seats, each seat corresponding to at least one of the exciters. The sound-generating device is used for sound reproduction, and multiple speakers are used to achieve panoramic sound.

In one embodiment, the sound-generating device further includes: a vibrator for setting under the seat of the automobile.

Further, the sound generating device includes at least two vibrators for being arranged under the seats of the driver and the passenger, respectively. A vibrator can make sounds or produce vibrations.

In one embodiment, each of the vehicle door speaker groups includes a woofer, a mid-range speaker, and a tweeter, respectively.

In one embodiment, the sound-generating device includes at least one surround speaker arranged behind the left rear seat and at least one surround speaker arranged behind the right rear seat.

In one embodiment, the sound generating device further includes a headrest speaker.

Further, the sound-emitting device further includes at least two speakers for the headrest respectively arranged on the driver and the passenger.

According to a second aspect of the present disclosure, a car audio system includes a car host, a power amplifier, and a sound producing device;

The sounding device includes:

A door speaker group, which is used to be arranged at the door of an automobile;

A center speaker, which is used to be located at the front instrument panel of the car;

Surround speakers for setting the rear side of the rear seat to correspond to the ears of passengers on the rear seat;

A subwoofer for placement in the trunk of a car; and

an exciter for setting at the ceiling above the seat;

The in-vehicle host is used for decoding the panoramic sound source and processing the sound effect to generate multi-channel audio signals;

The power amplifier is used to receive the multi-channel audio signal and drive the sound generating device to perform sound reproduction. The power amplifier has a plurality of audio driving channels, and each audio driving channel corresponds to one or more speakers of the sound generating device. , the input end of each audio drive channel is respectively electrically connected to the vehicle host, and the output end of each audio drive channel is electrically connected to the corresponding speaker of the sound generating device.

In some embodiments, the vehicle-mounted host includes a DSP chip, and the DSP chip is used to process the decoded panoramic sound source into n channels of audio signals, where n>1.

In some embodiments, n=32.

In some embodiments, the power amplifier has n of the audio drive channels.

In some embodiments, the in-vehicle host includes a memory for storing the panoramic sound source.

In some embodiments, the in-vehicle host is electrically connected to the input end of the power amplifier through an A2B bus, a MOST bus or an Ethernet cable.

In some embodiments, the sound generating device further comprises:

A vibrator, which is used to be placed under the seat of a car.

In some embodiments, each of the door speaker groups includes a woofer, a mid-range speaker, and a tweeter, respectively.

In some embodiments, the sound-generating device includes at least one surround speaker for placement behind the left rear seat, and at least one surround speaker for placement behind the right rear seat.

In some embodiments, the sound producing device further includes a headrest speaker.

In some embodiments, the sound-generating device further includes at least two headrest speakers arranged on the driver and the passenger, respectively.

The present disclosure adopts the above scheme, which has the following advantages compared with the prior art:

In the in-vehicle panoramic sound device and the car audio system of the present disclosure, each door corresponds to at least one door speaker group; the center speaker is arranged at the front instrument panel of the vehicle; the surround speaker is arranged on the rear side of the rear seat; the subwoofer , set in the trunk of the vehicle; the exciter is set at the ceiling above the seat, each seat corresponds to at least one of the exciters; the sound-emitting device is used for sound reproduction, and multiple speakers are matched to achieve panoramic sound, The sound field of the panoramic sound equipment covers the interior space in all directions, and can produce high-quality panoramic sound effects. Passengers can adjust the sound field of different scenes according to their own preferences and needs.

Description of drawings

In order to illustrate the technical solutions of the present disclosure more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present disclosure, which are of great significance to the art. For those of ordinary skill, other drawings can also be obtained from these drawings without any creative effort.

1 is a structural block diagram of a car audio system according to an embodiment of the present disclosure;

FIG. 2 is a schematic layout diagram of a sound generating device according to an embodiment of the present disclosure.

In the above figure,

1. Door speaker group; 101, tweeter; 102, midrange speaker; 103, woofer; 2, surround speaker; 3, center speaker; 4, exciter; 5, vibrator; 6, headrest speaker; 7 , subwoofer; 8, host; 9, amplifier; 10, riding area.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present disclosure can be more easily understood by those skilled in the art. It should be noted here that the description of these embodiments is used to help the understanding of the present disclosure, but does not constitute a limitation of the present disclosure. In addition, the technical features involved in the various embodiments of the present disclosure described below can be combined with each other as long as they do not conflict with each other.

In the description of the present disclosure, it should be noted that the orientations or positional relationships indicated by the terms "front", "rear", "upper", "lower", etc. are based on the orientations or positional relationships shown in the accompanying drawings, only for the purpose of It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the present disclosure.

In the description of the present disclosure, it should be noted that the terms "arranged", "connected" and "connected" should be construed in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood in specific situations.

It should be further understood that in the present disclosure, "plurality" refers to two or more, and other quantifiers are similar. The singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

This embodiment provides an in-vehicle panoramic sound device, which includes a sound generating device (constituting a speaker configuration end). Referring to FIG. 1 and FIG. 2 , the sound-emitting device includes: a door speaker group 1, which is used to be arranged at the door, and each door corresponds to a door speaker group 1; a center speaker 3, which is used to be arranged in the front of the vehicle. At the side instrument panel; Surround speaker 2, which is used to set the rear side of the rear seat to correspond to the human ear in the rear seat; Subwoofer 7, which is used to be set in the trunk of the vehicle, in this embodiment, it is specifically a double voice coil A loudspeaker; and an exciter 4 , which is used to be arranged at the ceiling above the seats, and each seat corresponds to one exciter 4 . The sound-generating device is used for sound reproduction, and multiple speakers are used to achieve panoramic sound. N in Figure 1 represents the number of door speaker groups, usually equal to the number of vehicle doors. For example, for a common four-door family car, the total number of door speaker groups 1 is N=4.

In this embodiment, the sound-generating device further includes: a vibrator 5, which is arranged under the seat. Specifically, a vibrator 5 is respectively provided under the seats of the driver and the passenger. The vibrator 5 can emit sound or generate a sense of vibration.

In this embodiment, each door speaker group 1 includes a woofer 103 , a mid-range speaker 102 and a tweeter 101 respectively.

In this embodiment, a surround speaker 2 is arranged behind the left rear seat, and a surround speaker 2 is arranged behind the right rear seat.

In this embodiment, the sound generating device further includes a headrest speaker 6 . A headrest speaker 6 is respectively provided on the main driver and the passenger driver.

In this embodiment, as shown in FIG. 2 , there are exciters 4 , vibrators 5 , and headrest speakers 6 around the seating area 10 for the driver and passenger; .

Referring to FIG. 1 , the present embodiment further provides a car audio system, which includes a vehicle-mounted host 8 , a vehicle-mounted power amplifier 9 and a sound-emitting device as shown in FIG. 2 .

The in-vehicle host 8 is used to decode the panoramic sound source and process the sound effect to generate multi-channel audio signals. Specifically, the in-vehicle host includes an audio decoder, a DSP chip, and a memory. The in-vehicle host further includes an audio source input interface, including but not limited to a USB port. The memory stores the panoramic sound source. The audio decoder decodes the panoramic sound from the audio source input port or the memory, and the DSP chip processes the decoded panoramic sound source into n-channel audio signals, n>1. Specifically, n=32.

The vehicle host 8 is electrically connected to the input end of the power amplifier 9 through the A2B bus, the MOST bus or the Ethernet line. The power amplifier 9 is used for receiving the multi-channel audio signals and driving the sound-generating device for sound reproduction, which specifically amplifies the multi-channel sound source to drive the speaker and the exciter. The power amplifier 9 has a plurality of audio driving channels, each audio driving channel corresponds to one or more speakers of the sound generating device, the input end of each audio driving channel is electrically connected to the vehicle host, and each audio driving channel is electrically connected to the vehicle host. The output ends of the sound generators are respectively electrically connected to the corresponding speakers of the sound generating device. Specifically, the power amplifier has n of the audio driving channels.

The above-mentioned in-car panoramic sound equipment and car audio system have the following advantages:

In the in-vehicle panoramic sound system and the layout of the present embodiment, each door corresponds to at least one of the door speaker groups 1; the center speaker 3 is arranged at the front instrument panel of the vehicle; the surround speaker 2 is arranged on the rear side of the rear seat; The subwoofer 7 is arranged in the trunk of the vehicle; the exciter 4 is arranged at the ceiling above the seats, and each seat corresponds to at least one of the exciters 4 . The sound-generating device is used for sound reproduction, and multiple speakers are used to achieve panoramic sound. The panoramic sound system covers the interior space in all directions and can produce high-quality panoramic sound effects. Passengers can adjust the sound field of different scenes according to their own preferences and needs.

The above-mentioned embodiment is only to illustrate the technical concept and characteristics of the present disclosure, and is a preferred embodiment. protected range.

Claims

An in-vehicle panoramic sound device, comprising a sounding device, characterized in that the sounding device comprises:

A door speaker group, which is used to be arranged at the door of the car, and each door corresponds to at least one of the door speaker groups;

A center speaker, which is used to be located at the front instrument panel of the car;

Surround speakers for setting the rear side of the rear seat to correspond to the ears of passengers on the rear seat;

A subwoofer for placement in the trunk of a car; and

The exciter is used to be arranged at the ceiling above the seats, and each seat corresponds to at least one of the exciters.
The in-vehicle panoramic sound device according to claim 1, wherein the sound generating device further comprises:

A vibrator, which is used to be placed under the seat of a car.
The in-vehicle panoramic sound device according to claim 2, wherein the sound generating device includes at least two of the vibrators for being respectively arranged under the seats of the driver and the passenger.
The in-vehicle panoramic sound device according to claim 1, wherein each of the door speaker groups comprises a bass speaker, a mid-range speaker and a tweeter, respectively.
The in-vehicle panoramic sound device according to claim 1, wherein the sound generating device comprises at least one surround speaker for being arranged behind the left rear seat, and at least one surround speaker for being arranged in the right rear seat. Surround speakers at the rear.
The in-vehicle panoramic sound device according to claim 1, wherein the sound generating device further comprises a headrest speaker.
The in-vehicle panoramic sound device according to claim 6, wherein the sound generating device further comprises at least two of the headrest speakers that are respectively arranged on the driver and the passenger.
A car audio system, characterized in that it includes a car host, a power amplifier and a sounding device;

The sounding device includes:

A door speaker group, which is used to be arranged at the door of an automobile;

A center speaker, which is used to be located at the front instrument panel of the car;

Surround speakers for setting the rear side of the rear seat to correspond to the ears of passengers on the rear seat;

A subwoofer for placement in the trunk of a car; and

an exciter for setting at the ceiling above the seat;

The in-vehicle host is used for decoding the panoramic sound source and processing the sound effect to generate multi-channel audio signals;

The power amplifier is used to receive the multi-channel audio signal and drive the sound generating device to perform sound reproduction. The power amplifier has a plurality of audio driving channels, and each audio driving channel corresponds to one or more speakers of the sound generating device. , the input end of each audio drive channel is respectively electrically connected to the vehicle host, and the output end of each audio drive channel is electrically connected to the corresponding speaker of the sound generating device.
The car audio system according to claim 8, wherein the on-board host includes a DSP chip, and the DSP chip is used to process the decoded panoramic sound source into N channels of audio signals, N>1.
The car audio system according to claim 9, wherein: N=32.
The car audio system according to claim 9, wherein the power amplifier has N audio driving channels.
The car audio system according to claim 8, wherein the in-vehicle host comprises a memory for storing the panoramic sound source.
The car audio system according to claim 8, wherein the on-board host is electrically connected to the input end of the power amplifier through an A2B bus, a MOST bus or an Ethernet line.
The car audio system according to claim 8, wherein the sound generating device further comprises:

A vibrator, which is used to be placed under the seat of a car.
The car audio system according to claim 8, wherein each of the door speaker groups comprises a bass speaker, a mid-range speaker and a tweeter, respectively.
The car audio system according to claim 8, wherein the sound-generating device comprises at least one surround speaker arranged behind the left rear seat, and at least one surround speaker arranged behind the right rear seat. Surround speakers.
The car audio system according to claim 16, wherein the sound generating device further comprises a headrest speaker.
The car audio system according to claim 17, wherein the sound generating device further comprises at least two of the headrest speakers respectively arranged on the driver and the passenger.