CN217721462U

CN217721462U - POE (Power over Ethernet) externally powered DANTE (digital audio transmission) audio system and equipment

Info

Publication number: CN217721462U
Application number: CN202221469682.7U
Authority: CN
Inventors: 王恒; 李子强; 黄锦恒; 东莲正
Original assignee: Guangzhou DSPPA Audio Co Ltd
Current assignee: Guangzhou DSPPA Audio Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-01
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a POE (Power over Ethernet) externally powered DANTE (digital audio transmission) audio system and equipment, wherein the audio system comprises a core control unit, a network communication unit, a DANTE signal processing unit and a power module; the power supply module comprises a relay circuit, a POE power supply module and a power input port; the power input port is connected to the POE power module, the POE power module is connected to the relay circuit, and the relay circuit is further connected to the network communication unit; the network communication unit is connected with the core control unit and also connected with the DANTE signal processing unit; the core control unit is connected with DANTE signal processing unit, and the core control unit still is connected with relay circuit, and the scheme has integrateed DANTE technique, POE power supply, ethernet data exchange technique simultaneously, and the audio equipment's that can greatly reduced accords with the TCP/IP agreement wiring degree of difficulty can guarantee audio signal's high quality transmission simultaneously, but wide application in audio equipment technical field.

Description

POE (Power over Ethernet) externally powered DANTE (digital audio transmission) audio system and equipment

Technical Field

The utility model belongs to the technical field of the audio equipment technique and specifically relates to a but POE is to DANTE audio system and equipment of power supply outward.

Background

Various audio processors exist in the prior art, and the audio processors are classified into a plurality of types due to different functions: such as howling suppressors, multi-stage equalizers, exciters, electronic dividers, sound consoles, and the like. Many of these processors are powered using either a power adapter or an ac power input. Meanwhile, with the development of network technology, many of the audio processors are controlled by using a TCP/IP protocol. Many times, multiple audio processors are used in the construction of an audio system, which also requires the addition of routers or switches to accommodate the TCP/IP connections of the audio processors. Meanwhile, the audio processors must be interconnected through signal lines for signal interaction, and the wiring complexity of the audio system must be greatly increased along with the increase of the number of devices.

In summary, the above technical problems of the related art need to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving one of the technical problems existing in the related technology to at least a certain extent; for this reason, an object of the embodiments of the present invention is to provide a POE externally powered DANTE audio system that simplifies wiring complexity, and furthermore, in the embodiments of the present invention, a corresponding device including this audio system is also provided.

In order to achieve the technical object, an embodiment of the present invention provides a POE external power supply DANTE audio system, which includes a core control unit, a network communication unit, a DANTE signal processing unit, and a power module;

the power supply module comprises a relay circuit, a POE power supply module and a power supply input port; the power input port is connected to the POE power module, the POE power module is connected to the relay circuit, and the relay circuit is also connected to the network communication unit;

the network communication unit is connected with the core control unit and also connected with the DANTE signal processing unit; the core control unit is connected with the DANTE signal processing unit and is also connected with the relay circuit.

In some possible embodiments, the network communication unit comprises a switch module and at least one ethernet interface;

the Ethernet interface is connected to the switch module, the switch module is connected to the DANTE signal processing unit, and the switch module is also connected to the core control unit; the relay circuit is connected to the ethernet interface.

In some possible embodiments, the DANTE signal processing unit includes a DANTE codec module, at least one analog signal input port, and at least one analog signal output port;

the analog signal input port is connected to the DANTE coding and decoding module, the analog signal output port is connected to the DANTE coding and decoding module, the DANTE coding and decoding module is connected to the core control unit, and the DANTE coding and decoding module is also connected to the network communication unit.

In some possible embodiments, the network communication unit further comprises a network transformer and a network chip;

the input end of the network transformer is connected to the Ethernet interface, the output end of the network transformer is connected to the input end of the network chip, and the output end of the network chip is connected to the core control unit.

In some possible embodiments, the system further includes a number of RJ45 information jacks, the RJ45 information jacks connected to the switch module.

In some possible embodiments, the system further comprises a speaker unit connected to the analog signal output port.

In some possible embodiments, the core control unit includes an MCU module, a clock integrated circuit, and an interaction module;

the clock integrated circuit is connected to the MCU module, the interaction module is connected to the MCU module, and the interaction module comprises an LCD display module and a key control module.

On the other hand, the embodiment of the utility model provides a can POE outwards power supply's DANTE audio equipment; the device may comprise any of the POE-capable powered out-of-the-tower audio systems described in the first aspect.

Advantages and benefits of the present 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:

the utility model discloses a but POE outwards supplies power's DANTE audio system and equipment, wherein audio system adopts DANTE agreement and carries out signal decoding through DANTE decoding module, and signal transmission quality is high; the audio system can also supply power to the external equipment through the POE technology, so that the wiring difficulty of the external equipment is reduced; the system integrates the DANTE technology, the POE power supply technology and the Ethernet data exchange technology, can greatly reduce the wiring difficulty of the audio equipment conforming to the TCP/IP protocol, and can ensure the high-quality transmission of audio signals.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a block diagram of a POE powered out DANTE audio system according to an embodiment of the present invention;

fig. 2 is a block diagram of another POE powered out DANTE audio system provided in an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "upper", "lower", "front", "rear", "left", "right", "top", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As indicated in the background art, in the related art, a plurality of audio processors are used when an audio system is built, and a router or a switch is required to be added for adapting TCP/IP connection of the audio processors; meanwhile, the audio processors must be interconnected through signal lines for signal interaction, and the wiring complexity of the audio system must be greatly increased along with the increase of the number of the devices. In view of this situation, the technical solution of the present application provides an audio system that can use POE technology to supply power to the outside, can exchange signals with an external device through DANTE technology, and can be used as a switch at the same time.

A POE powered out-of-the-box DANTE audio system provided in the embodiments of the present application is described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a DANTE audio system capable of supplying power to a POE includes a core control unit, a network communication unit, a DANTE signal processing unit, and a power module.

Specifically, in the embodiment, the core control unit is mainly configured to receive and process the ethernet signal from the network communication unit and the audio signal from the DANTE signal processing unit, and trigger the corresponding control signal to be fed back to the input and output of the audio signal of the DANTE signal processing unit according to a signal processing procedure written in the core control unit in advance; or trigger corresponding control signal feedback to the power module to realize power control or POE power control of the system. The network communication unit in the system of the embodiment is mainly used for acquiring the Ethernet signals in a wired access or wireless access mode, and decoding the Ethernet signals through the DANTE signal processing unit to obtain corresponding audio signals for outputting; or the core control unit triggers a corresponding control signal according to the Ethernet signal to realize the control of the DANTE signal processing unit and the power supply module. A DANTE signal processing unit in the system is mainly used for carrying out DANTE decoding on the acquired audio signal to obtain a corresponding analog signal and outputting the obtained analog signal; or the DANTE signal processing unit may encode the obtained analog signal by DANTE to obtain a corresponding audio signal, perform a necessary encoding process to obtain a corresponding ethernet signal, and transmit the ethernet signal by the network communication unit in the embodiment. The power module in the system is mainly used for supplying power to each unit module in the system and supplying power to the POE. In the embodiment, the core control unit can adopt MCU chips such as an STM32 singlechip and the like. It should be noted that in the embodiment, the processing procedure of the audio pointing process written in the MCU chip may adopt a method procedure for adjusting the audio output direction that is already mature in the related technical solutions, and the technical solution of the present application does not involve related improvements to this method procedure, so details are not described in the specification.

As shown in fig. 2, the power module in the embodiment system may include a relay circuit, a POE power module, and a power input port. The relay circuit is mainly used for executing the actions of opening and closing a switch according to a control signal of the core control unit, and when the relay circuit is switched on, the power supply to the outside through the POE can be realized; when the relay circuit is disconnected, the POE is disconnected for power supply. The POE power module is mainly used for converting a power supply accessed from the power output port into an IEEE 802.3af standard, and can be used as an extension of an ethernet standard to supply power to a network. A power input port in the power module is mainly used for receiving an external alternating current power supply and transmitting the external alternating current power supply to the POE power module; for example, in an embodiment, the power input port may be an AC power input port.

In some possible embodiments, the network communication unit in the system comprises a switch module and at least one ethernet interface;

wherein the ethernet interface is connected to the switch module, the switch module is connected to the DANTE signal processing unit, and the switch module is further connected to the core control unit; the relay circuit is connected to the ethernet interface.

As shown in fig. 2, in an embodiment, a switch module in the system is mainly used for receiving and acquiring a plurality of ethernet signals, completing the cascade connection of all-digital functional conference units of different Dante networks, and providing a multi-party access function. In the embodiment, the Ethernet interface is used for acquiring a plurality of Ethernet signals by a main user and transmitting the Ethernet signals to the switch module; alternatively, the signals transmitted to the switch are transmitted to other systems or devices through the ethernet.

In some possible embodiments, the DANTE signal processing unit in the system includes a DANTE codec module, at least one analog signal input port, and at least one analog signal output port;

wherein, the analog signal input port is connected to the DANTE coding and decoding module, the analog signal output port is connected to the DANTE coding and decoding module, the DANTE coding and decoding module is connected to the core control unit, and the DANTE coding and decoding module is also connected to the network communication unit.

As shown in fig. 2, in the embodiment, the DANTE encoding and decoding module is configured to perform DANTE decoding on the acquired audio signal to obtain a corresponding analog signal, and output the obtained analog signal; or the DANTE signal processing unit may obtain the corresponding audio signal from the obtained analog signal by DANTE coding, and in the embodiment, the DANTE coding/decoding module may further adjust the signal that needs to be DANTE coded or DANTE decoded according to the control signal sent by the core control unit. An analog signal input port in the system of the embodiment is mainly used for acquiring input of an analog signal, and an analog signal output port is mainly used for outputting an analog signal decoded by DANTE.

In some possible embodiments, the network communication unit in the system further comprises a network transformer and a network chip;

Specifically, in the embodiment, the network transformer is used for separating the data signal from the power supply in the ethernet, and the network chip is used for receiving the data signal sent by the network transformer, converting the data signal into an SPI signal, and sending the SPI signal to the DANTE codec module. In the embodiment, the network transformer can be HY60 network transformer.

In some possible embodiments, the system further includes a number of RJ45 information jacks, the RJ45 information jacks being connected to the switch module. In an embodiment, the RJ45 information sockets may be used to connect other external hosts to a switch module in the system, and the switch module is further connected to a plurality of RJ4521 information sockets to complete data exchange between the plurality of information sockets and the network transformer.

In some possible embodiments, the system further comprises a speaker unit connected to the analog signal output port. In particular, in the embodiment, the speaker unit is mainly used for outputting the decoded information.

In some possible embodiments, the core control unit in the system comprises an MCU module, a clock integrated circuit and an interaction module;

Specifically, in the embodiment, the clock IC is configured to perform clock synchronization on an SPI signal in the DANTE codec module according to a precise clock protocol, the core control unit in the embodiment is configured to convert a signal sent by key control into a control signal and send the control signal to the DANTE codec module, the key control is configured to receive a signal sent by a user, and the LCD display module is configured to display the signal and the control signal. In an embodiment, the clock IC is specifically configured to perform clock synchronization on the SPI signal in the DANTE coding and decoding module by using an IEEE1588 precision clock protocol.

Referring to fig. 2, the working principle of the audio system capable of supplying power by using POE provided in the technical solution of the present application is clearly and specifically described:

firstly: analog signals enter the DANTE coding module through an analog signal input port; the DANTE module sends the encoded signal to the switch module according to the standard of the Ethernet (TCP/IP protocol); the switch sends the data to the external connection device through the Ethernet port. The switch forwards the received data of the external equipment to the DANTE decoding module in the same way; the DANTE module sends the decoded analog signal to an analog signal output port; so far, the analog signal exchange between the audio processor and the external equipment is completed. Secondly, the method comprises the following steps: the DANTE device 1 connected to the ethernet port 1, the DANTE device 2 connected to the ethernet port 2, the DANTE device 3 connected to the ethernet port 3, and so on are all connected to the switch module of the processor, which can implement data exchange between them, thereby simplifying interconnection between various devices. And thirdly: the processor can provide power supply for the external equipment through the POE power supply technology, so that the wiring of the external equipment is further simplified. Finally, because the POE power supply can realize the on-off of the POE power supply through the relay control, the DANTE technology is a modernized high-performance digital media transmission protocol running on a standard IP network, and the DANTE module and the POE power relay are controlled by the MCU, the system has no problem to be compatible with common Ethernet equipment.

On the other hand, the embodiment of the application provides a sound post device; the audio device may comprise any of the POE powered external DANTE audio systems described in the first aspect.

To sum up, except the foregoing beneficial effects, compared with the prior art, the present invention has the following features or advantages:

1. the technical scheme of the application adopts the DANTE technology, so that the signal transmission quality is high;

2. according to the technical scheme, power can be supplied to the external equipment through the POE technology, and the wiring difficulty of the external equipment is reduced;

3. according to the technical scheme, the DANTE technology, the POE power supply technology and the Ethernet data exchange technology are integrated, the wiring difficulty of the audio equipment meeting the TCP/IP protocol can be greatly reduced, and meanwhile high-quality transmission of audio signals can be guaranteed.

In the description herein, references to the description of "one embodiment," "another embodiment," or "certain embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A POE (Power over Ethernet) externally powered DANTE audio system is characterized by comprising a core control unit, a network communication unit, a DANTE signal processing unit and a power supply module;

2. The POE powered-out DANTE audio system of claim 1, wherein said network communication unit comprises a switch module and at least one ethernet interface;

3. The POE-capable powered-out DANTE audio system of claim 1, wherein the DANTE signal processing unit comprises a DANTE codec module, at least one analog signal input port, and at least one analog signal output port;

4. The POE powered-out DANTE audio system of claim 2, wherein said network communication unit further comprises a network transformer and a network chip;

5. The POE externally powered DANTE audio system of claim 2, further comprising a plurality of RJ45 information jacks, the RJ45 information jacks connected to the switch module.

6. The POE externally-powered DANTE audio system of claim 3, wherein the system further comprises a speaker unit, the speaker unit being connected to the analog signal output port.

7. The POE-capable powered-out DANTE audio system of any one of claims 1 to 6, wherein the core control unit comprises an MCU module, a clock integrated circuit, and an interaction module;

8. A POE-capable powered-out DANTE audio device, wherein the device comprises a POE-capable powered-out DANTE audio system of any of claims 1-7.