CN213519243U

CN213519243U - PCI plug-in card formula network audio acquisition equipment

Info

Publication number: CN213519243U
Application number: CN202022425210.9U
Authority: CN
Inventors: 郭远林; 伍巨猷; 王恒; 邝伟佳
Original assignee: Guangzhou DSPPA Audio Co Ltd
Current assignee: Guangzhou DSPPA Audio Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-22
Anticipated expiration: 2030-10-27

Abstract

The embodiment of the utility model provides a PCI card-inserting type network audio acquisition device, wherein the audio acquisition device comprises an audio acquisition device, a decoder, a controller and a PCI interface which are electrically connected in sequence; the audio collector provided by this embodiment is inserted into a slot of an external device through the PCI interface, and supplies power to the external device to supply power to the audio collector, the decoder, and the controller in the audio collector; the audio collector collects external audio signals and sends the audio signals to the decoder for decoding, the decoder converts the audio signals into digital signals from analog signals and sends the digital signals to the controller, the controller sends information to external equipment through the PCI interface, therefore, collection of the audio signals is achieved, a shell and a self-contained power supply do not need to be additionally arranged, and installation cost of the audio collector on the shell and cost of the self-contained power supply are reduced.

Description

PCI plug-in card formula network audio acquisition equipment

Technical Field

The utility model relates to a technical field of audio acquisition especially relates to a PCI plug-in card formula network audio acquisition equipment.

Background

The public address system is an audio system for notification, publicity, entertainment, and the like in a large building or public place, and is suitable for use in places such as airports, schools, and squares. The realization of public broadcasting is realized, and the collection of sound sources is a precondition. Sound sources are available in many forms, such as radios, recorders, MP3, DVDs, etc., and the sound signals generated by these devices are often transmitted directly to the target by wires and broadcast through speakers.

The patent specification of the Chinese utility model discloses a network audio acquisition equipment, which comprises a housin, the upper end and the lower extreme of casing can be dismantled respectively and be connected with upper cover plate and lower apron, upper cover plate, casing and lower apron form the cavity, be equipped with audio acquisition component and power module in the cavity, the left surface and the right flank of casing are equipped with the thermovent respectively, can open and shut in the thermovent and be equipped with the heat dissipation door. The utility model discloses a mode that the network was gathered, it is effectual to gather, and it is more convenient to operate, has good heat dispersion simultaneously, can protect the audio frequency collection component in the casing effectively. The technical problem that the cost of the audio collector is high due to the fact that the audio collector is packaged with an independent shell and a self-contained power supply is needed to supply power for parts inside the audio collector in the prior art exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a PCI plug-in card formula network audio acquisition equipment for there is because the packing that carries out independent shell to audio collector and needs supply power for the inside spare part of audio collector from the power supply among the solution prior art, causes the higher technical problem of cost of audio collector.

The embodiment of the utility model adopts the following technical scheme:

a PCI plug-in card type network audio acquisition device comprises an audio acquisition device, a decoder, a controller and a PCI interface,

the audio collector is electrically connected with the decoder, the decoder is electrically connected with the controller, and the controller is electrically connected with external equipment through the PCI interface.

Furthermore, the audio collector comprises an operational amplifier and an audio seat, and the operational amplifier collects audio through the audio seat.

Further, the audio seat is an AUX audio seat.

Further, the decoder is a decoding chip.

Further, the controller is a main control chip.

Furthermore, the audio collector, the decoder, the controller and the PCI interface are all arranged on a PCB.

Furthermore, the audio collector also comprises a network transmission device, the network transmission device is electrically connected with the controller, and the network transmission device is used for transmitting the audio signals in the controller to external equipment.

Further, the network transmission device comprises a network chip.

Furthermore, an RJ45 interface is arranged on the network transmission device, and the network transmission device is connected with external equipment through an RJ45 interface.

Further, the external equipment comprises a computer host, a sound host and a network broadcasting system.

Compared with the prior art, the utility model discloses an embodiment's beneficial effect lies in:

the embodiment of the utility model provides a PCI card-inserting type network audio acquisition device, wherein the audio acquisition device comprises an audio acquisition device, a decoder, a controller and a PCI interface; the audio acquisition device provided by this embodiment is inserted into a slot of an external device through the PCI interface, and supplies power to the external device to supply power to the audio acquisition device, the decoder, and the controller in the audio acquisition device; the audio collector gathers outside audio signal, and with audio signal send to the decoder decodes, the decoder converts audio signal into digital signal by analog signal and sends to the controller, the controller has been used PCI interface and has been sent information to external equipment to the realization need not to increase in addition shell and the power of oneself, can directly install on external equipment, supplies power through external equipment, has reduced the cost of audio collector on the installation of shell and the cost of the power of oneself, thereby solved and had existed among the prior art because carry out the packing of independent shell and need the power of oneself and supply power for the inside spare part of audio collector to audio collector, cause the higher technical problem of audio collector's cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a PCI card-inserted network audio acquisition device according to an embodiment of the present invention;

wherein:

100. an audio collector; 101. an operational amplifier; 102. an audio base; 200. a decoder; 300. a controller; 400. a PCI interface; 500. and a network transmission device.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, fig. 1 is a schematic structural diagram of a PCI plug-in card type network audio acquisition device according to an embodiment of the present invention.

The utility model provides a PCI plug-in card type network audio acquisition device,

the audio acquisition device comprises an audio acquisition unit 100, a decoder 200, a controller 300 and a PCI interface 400;

the audio collector 100 is electrically connected to the decoder 200, the decoder 200 is electrically connected to the controller 300, and the controller 300 is electrically connected to an external device through the PCI interface 400.

The audio collector 100 is configured to obtain a collected audio signal and send the audio signal to the decoder 200;

the audio collector 100 comprises an operational amplifier 101 and an audio socket 102, wherein the operational amplifier 101 collects audio through the audio socket 102. In this embodiment, the audio seat 102 is preferably an AUX audio seat 102.

The decoder 200 is configured to convert the received audio signal from an analog signal to a digital signal, and send the digital signal to the controller 300;

the decoder 200 is a decoding chip, and in this embodiment, the model of the decoding chip is preferably WM 8988.

The controller 300 is used for sending digital signals to external devices through the PCI interface 400 according to a communication protocol;

the controller 300 is a main control chip. In this embodiment, preferably, the model of the main control chip is ASM 9260T.

The PCI interface 400 is used to transmit digital signals to external devices and to receive power from the external devices to supply power to the audio collector 100, the decoder 200, and the controller 300.

The audio collector 100, the decoder 200, the controller 300 and the PCI interface 400 are all disposed on a PCB. The audio collector can be directly locked on the external device through the PCB by connecting the PCI interface 400 with the external device, so that the audio collector can be protected through the external device under the condition of not using a shell.

The external equipment comprises a computer host, a sound host and a network broadcasting system.

The PCI interface 400 is inserted into a slot of an external device, and supplies power to the audio collector 100, the decoder 200, and the controller 300 in the audio collector by supplying power to the external device; the audio collector 100 collects external audio signals and sends the audio signals to the decoder 200 for decoding, the decoder 200 converts the audio signal from an analog signal to a digital signal and transmits the digital signal to the controller 300, the controller 300 transmits information to an external device through the PCI interface 400, therefore, the audio signal acquisition is realized, the audio acquisition device provided by the embodiment does not need to additionally increase a shell and a self-contained power supply, can be directly arranged on external equipment and is powered by the external equipment, thereby reducing the installation cost of the audio collector on the shell and the cost of the self-contained power supply, therefore, the technical problem that the cost of the audio collector is high due to the fact that the audio collector is packaged by an independent shell and needs to be supplied with power by a self-contained power supply for parts inside the audio collector in the prior art is solved.

The audio collector further comprises a network transmission device 500, the network transmission device 500 is electrically connected to the controller 300, and the network transmission device 500 is configured to transmit the audio signal in the controller 300 to an external device. Preferably, the network transmission device 500 includes a network chip, and the network chip may be RTL8021 FI.

The network transmission device 500 is provided with an RJ45 interface, and the network transmission device 500 is connected with an external device through the RJ45 interface.

The network transmission device 500 can also transmit the audio signal in the controller 300 to an external device, and when a problem occurs in the PCI interface 400, the audio signal can be transmitted through the network transmission device 500.

In this embodiment, information transmission and power taking are preferably performed through the PCI, but when a problem occurs, the information transmission can be assisted by using a network transmission module.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A PCI card-inserting type network audio acquisition device is characterized in that the audio acquisition device comprises an audio acquisition device, a decoder, a controller and a PCI interface,

2. The PCI card plug-in type network audio collecting device according to claim 1, wherein the audio collector comprises an operational amplifier and an audio jack electrically connected to the operational amplifier.

3. The PCI plug-in card type network audio collecting device according to claim 2, wherein the audio cradle is an AUX audio cradle.

4. The PCI card plug-in type network audio collecting device according to claim 1, wherein the decoder is a decoding chip.

5. The PCI plug-in card type network audio acquisition device according to claim 1, wherein the controller is a main control chip.

6. The PCI card inserted network audio collecting device according to claim 1, wherein the audio collector, the decoder, the controller and the PCI interface are disposed on a PCB board.

7. The PCI plug-in card type network audio collecting device according to claim 1, wherein the audio collector further comprises a network transmission device electrically connected to the controller, the network transmission device being configured to transmit an audio signal in the controller to an external device.

8. The PCI card plug-in type network audio frequency acquisition device according to claim 7, wherein the network transmission means comprises a network chip.

9. The PCI card-inserting type network audio acquisition device as claimed in claim 7, wherein the network transmission device is provided with an RJ45 interface, and the network transmission device is connected with an external device through the RJ45 interface.

10. The PCI plug-in card type network audio collecting device according to claim 1, wherein the external device includes a host computer, a main audio system, and a network broadcasting system.