CN207053519U - Broadcast terminal - Google Patents

Broadcast terminal Download PDF

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Publication number
CN207053519U
CN207053519U CN201720992364.1U CN201720992364U CN207053519U CN 207053519 U CN207053519 U CN 207053519U CN 201720992364 U CN201720992364 U CN 201720992364U CN 207053519 U CN207053519 U CN 207053519U
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China
Prior art keywords
input
circuit
audio signal
wireless communication
communication line
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Active
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CN201720992364.1U
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Chinese (zh)
Inventor
刘坚
周坦
陈健
王振宇
雍珂
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Hunan Kang Tong Electronic Ltd By Share Ltd
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Hunan Kang Tong Electronic Ltd By Share Ltd
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Abstract

The utility model provides a kind of broadcast terminal, including:Audio signal reception decoding apparatus, audio signal reception decoding apparatus includes wireless communication line, audio decoding circuit and external interface circuit, the first input end of wireless communication line electrically connects with the output end of outside source, the first input end of audio decoding circuit electrically connects with the first output end of wireless communication line, the first input end of external interface circuit electrically connects with the output end of audio decoding circuit, second input of external interface circuit electrically connects with the second output end of wireless communication line, the output end of external interface circuit electrically connects with the second input of wireless communication line;Power amplification device;Supply unit;Configuration device, broadcast terminal can be made to simplify own infrastructure, in the case of reducing cost, realize and the audio signal transmitted by wireless communication transmissions pattern is carried out receiving decoding and played.

Description

Broadcast terminal
Technical field
Broadcast technology field is the utility model is related to, more particularly to a kind of broadcast terminal.
Background technology
Audio signal has a variety of transmission modes, wherein radio communication as a kind of streaming media signal(Such as forth generation moves Mobile phone mobile communication standards(4G))Transmission mode is exactly new shaping and more and more important one kind.Generally work as and include channel radio When the audio transmission techniques of letter transmission mode occur in a broadcast terminal, wireless communication module is only that number passes passage, outside Also need to build processor and internal memory completes the work such as decoding, cause the framework of broadcast terminal complicated, cost rise;Work as simultaneously and apply When scene, user's request change, it may be necessary to transmission mode is combined, to produce the end product of neomorph.It is logical Normal way is repeatedly to change circuit layout to meet the new market demand, but this way can cause largely to repeat labor It is dynamic, increase cost.
In summary, broadcast terminal connects to realize to the audio signal transmitted by wireless communication transmissions pattern at present Receive decoding and play, cause own infrastructure complexity, cost high.
Utility model content
The purpose of the utility model embodiment is to provide a kind of broadcast terminal, is to realize to passing through to solve broadcast terminal The audio signal of wireless communication transmissions pattern transmission is carried out receiving decoding and played, and causes own infrastructure is complicated, cost is high to ask Topic.
In order to achieve the above object, embodiment of the present utility model provides a kind of broadcast terminal, including:
Audio signal reception decoding apparatus, audio signal reception decoding apparatus include wireless communication line, audio decoder electricity Road and external interface circuit, the first input end of wireless communication line electrically connect with the output end of outside source, audio solution Code the first input end of circuit electrically connect with the first output end of wireless communication line, the first input end of external interface circuit and The output end electrical connection of audio decoding circuit, the second input of external interface circuit and the second output end of wireless communication line Electrical connection, the output end of external interface circuit electrically connect with the second input of wireless communication line, and on external interface circuit Provided with audio signal interface, data configuration signaling interface, communication interface and power supply signal interface;
Power amplification device, the first input end of power amplification device electrically connect with audio signal interface;
Supply unit, supply unit the 3rd input with wireless communication line, the second of audio decoding circuit defeated respectively Enter the second input electrical connection of end, the 3rd input of external interface circuit and power amplification device;
Configuration device, the first signal port and data configuration signaling interface, communication interface and the power supply of configuration device are believed The electrical connection of number interface, the secondary signal port of configuration device electrically connects with exterior terminal.
Optionally, audio signal reception decoding apparatus also includes:
Power supply circuit, the input of power supply circuit electrically connect with supply unit, the output end of power supply circuit respectively with wirelessly The 3rd input, the second input of audio decoding circuit and the 3rd input of external interface circuit of communicating circuit are electrically connected Connect.
Optionally, power supply circuit is linear power supply or Switching Power Supply.
Optionally, audio signal reception decoding apparatus also includes:
Simulated audio signal process circuit, the first input end of simulated audio signal process circuit and audio decoding circuit Output end electrically connects, and the output end of simulated audio signal process circuit electrically connects with the first input end of external interface circuit, mould The second input for intending audio signal processing circuit electrically connects with supply unit.
Optionally, supply unit includes Switching Power Supply, and the input of Switching Power Supply electrically connects with external power source, Switching Power Supply Output end respectively with the 3rd input of wireless communication line, the second input of audio decoding circuit, external interface circuit The 3rd input and power amplification device the second input electrical connection.
Optionally, Switching Power Supply is AC-DC Switching Power Supply.
Optionally, power amplification device is D class audio frequency power amplifiers.
Optionally, configuration device is that Transistor-Transistor Logic level configures board.
Such scheme of the present utility model has following beneficial effect:
In embodiment of the present utility model, due to passing through radio communication to wireless communication line output in outside source During the audio signal of transmission mode transmission, wireless communication line can be transmitted protocol-decoding processing to the audio signal, and will Audio signal after processing exports carries out decoding process to audio decoding circuit, and audio signal is reduced into simulated audio signal, So that broadcast terminal just can complete the audio to being transmitted by wireless communication transmissions pattern by audio signal reception decoding apparatus The reception decoding of signal, so that power amplification device receives the analog audio that audio decoding circuit restores by external interface circuit During frequency signal, the simulated audio signal can be directly played, and then broadcast terminal is being simplified own infrastructure, reduces cost In the case of, realize the effect for the audio signal transmitted receive decoding and broadcasting by wireless communication transmissions pattern.
Brief description of the drawings
Fig. 1 is the structural representation of broadcast terminal in the utility model specific embodiment.
Description of reference numerals:
1st, audio signal reception decoding apparatus;101st, wireless communication line;102nd, audio decoding circuit;103rd, external interface Circuit;104th, audio signal interface;105th, data configuration signaling interface;106th, communication interface;107th, power supply signal interface;108、 Power supply circuit;109th, simulated audio signal process circuit;2nd, power amplification device;3rd, Switching Power Supply;4th, external power source;5th, configuration dress Put;6th, exterior terminal;7th, outside source;8th, external loudspeaker.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure Completely it is communicated to those skilled in the art.
As shown in figure 1, specific embodiment of the utility model provides a kind of broadcast terminal, including:Audio signal reception Decoding apparatus 1, audio signal reception decoding apparatus 1 include wireless communication line 101, audio decoding circuit 102 and to external Mouth circuit 103, the first input end of wireless communication line 101 electrically connect with the output end of outside source 7, audio decoding circuit 102 first input end electrically connects with the first output end of wireless communication line 101, the first input of external interface circuit 103 End electrically connects with the output end of audio decoding circuit 102, the second input and wireless communication line of external interface circuit 103 101 the second output end electrical connection, the output end of external interface circuit 103 and the second input electricity of wireless communication line 101 Connection, and external interface circuit 103 be provided with audio signal interface 104, data configuration signaling interface 105, communication interface 106 with And power supply signal interface 107;Power amplification device 2, the first input end of power amplification device 2 electrically connect with audio signal interface 104;Power supply Device, the second input, right of supply unit the 3rd input with wireless communication line 101, audio decoding circuit 102 respectively The second input electrical connection of the 3rd input and power amplification device 2 of external tapping circuit 103;Configuration device 5, configuration device 5 The first signal port electrically connected with data configuration signaling interface 105, communication interface 106 and power supply signal interface 107, configure The secondary signal port of device 5 electrically connects with exterior terminal 6.
Wherein, in specific embodiment of the utility model, above-mentioned broadcast terminal can be that the terminals such as sound column, amplifier are set It is standby.
Wherein, in specific embodiment of the utility model, above-mentioned audio signal reception decoding apparatus 1 is mainly used in logical The audio signal for crossing the transmission of wireless communication transmissions pattern carries out reception decoding, to simplify the framework of broadcast terminal, reduce cost.
Wherein, in specific embodiment of the utility model, herein by the above-mentioned institute of audio signal reception decoding apparatus 1 Including each component be illustrated, illustrate audio signal reception decoding apparatus 1 to the sound that is transmitted by wireless communication transmissions pattern Frequency signal receive the operation principle of decoding.
Specifically, in specific embodiment of the utility model, said external signal source 7 is defeated to wireless communication line 101 The audio signal gone out is the audio signal transmitted by wireless communication transmissions pattern.Wherein, above-mentioned wireless communication transmissions pattern can Think the transmission modes such as 2G transmission modes, 3G transmission modes or 4G transmission modes.And above-mentioned wireless communication line 101 is mainly used In:The audio signal exported by wireless communication receiver outside source 7;And to being transmitted by wireless communication transmissions pattern Audio signal is transmitted protocol-decoding processing.It should be noted that the concrete structure of wireless communication line 101 can use it is existing Simple structure in technology is realized.
Optionally, in specific embodiment of the utility model, above-mentioned wireless communication line 101 can be LTE channel radios Interrogate module, WCDMA(W-CDMA, Wideband Code Division Multiple Access)Wireless telecommunications mould Block, TD SDMA(TD-SCDMA, Time Division-Synchronous Code Division Multiple Access)Wireless communication module or CDMA(CDMA, Code Division Multiple Access)2000 channel radios Interrogate module etc..Wherein, in specific embodiment of the utility model, when wireless communication line 101 is Long Term Evolution(LTE, Long Term Evolution)During wireless communication module, the wireless communication line 101 is built-in with Internet protocol(IP, Internet Protocol)Broadcasting service, i.e. when the wireless communication line 101 receives the 4G signals of the output of outside source 7, wirelessly Communicating circuit 101 can carry out IP agreement decoding process to 4G signals, obtain the audio signal after host-host protocol decoding process.
Wherein, in specific embodiment of the utility model, above-mentioned audio decoding circuit 102 is mainly used in host-host protocol Audio signal after decoding process is decoded, and audio signal is reduced into simulated audio signal.
And it is optional, in specific embodiment of the utility model, above-mentioned audio decoding circuit 102 can be audio decoder Chip, so as to which audio signal accurately and rapidly is reduced into simulated audio signal.
Wherein, in specific embodiment of the utility model, the audio signal interface on above-mentioned external interface circuit 103 104 electrically connect with the first input end of power amplification device 2, by the simulated audio signal that audio decoding circuit 102 exports export to Power amplification device 2, so that power amplification device 2 plays simulated audio signal.And an example is used as, it is real for ease of increasing broadcast sound volume Existing power adjustable, above-mentioned power amplification device 2 can also electrically connect with an external loudspeaker 8.And in specific embodiment of the utility model In, above-mentioned power amplification device 2 can be D class audio frequency power amplifiers, to ensure the result of broadcast of simulated audio signal.
Wherein, in specific embodiment of the utility model, the data configuration signal on above-mentioned external interface circuit 103 connects Mouth 105, communication interface 106 and power supply signal interface 107 electrically connect with the first signal port of configuration device 5.Wherein, it is right For above-mentioned data configuration signaling interface 105, said external terminal 6(Such as external computer)Can by configuration device 5, externally The output end of data configuration signaling interface 105, external interface circuit 103 on interface circuit 103 and wireless communication line 101 Second input conveys corresponding running parameter, such as working time, operating power etc. to wireless communication line 101, to make The on-the-job satisfaction demand of broadcast terminal.It should be noted that can be by wired or blue between configuration device 5 and exterior terminal 6 Tooth wirelessly realizes electrical connection.
For communication interface 106, said external terminal 6(Such as external computer)Can by configuration device 5, to external Second input of the output end and wireless communication line 101 of communication interface 106, external interface circuit 103 on mouth circuit 103 Corresponding running parameter is conveyed to wireless communication line 101(Such as working time, operating power etc.), to make broadcast terminal On-the-job satisfaction demand, certain above-mentioned wireless communication line 101 also can by the second output end of wireless communication line 101, externally The second input, the communication interface 106 on external interface circuit 103, configuration device 5 and the exterior terminal 6 of interface circuit 103 (Such as outside power amplifier)To the transportation parameters of exterior terminal 6(Such as multiplication factor).It should be noted that above-mentioned communication interface 106 Actual is an input/output(I/O)Interface.
For above-mentioned power supply signal interface 107, the exterior terminal 6 electrically connected with configuration device 5 can be an instruction Lamp, to indicate that audio signal reception decoding apparatus 1 is in running order.
It should be noted that in specific embodiment of the utility model, the second input of above-mentioned external interface circuit 103 The output end of end and external interface circuit 103 can be the same port on external interface circuit 103(Such as input/output terminal Mouthful), i.e. this port can receive the electric signal of the output of wireless communication line 101, also can export electricity to wireless communication line 101 Signal;Similar, the second output end of above-mentioned wireless communication line 101 and the second input of wireless communication line 101 can be with For the same port in wireless communication line 101(Such as input/output end port), i.e. this port can receive external interface electricity The electric signal that road 103 exports, also it can export electric signal to external interface circuit 103.
Optionally, in specific embodiment of the utility model, above-mentioned external interface circuit 103 can be that a wiring is inserted Seat, and configuration device 5 can be Transistor-Transistor Logic level configure board, certain configuration device 5 can also be RS232 level configure board or Person RS485 level configures board, so that audio signal reception decoding apparatus 1 can be in the case where meeting customer need, it is ensured that energy Correctly receive, decoding audio signal.Wherein, above-mentioned Transistor-Transistor Logic level configuration board refers to transistor-transistor logic(TTL, Transistor-Transistor Logic)Level configures board.
Optionally, in specific embodiment of the utility model, above-mentioned audio signal reception decoding apparatus 1 also includes:For Circuit 108, the input of power supply circuit 108 electrically connect with supply unit, the output end of power supply circuit 108 respectively with channel radio Interrogate the 3rd input of circuit 101, the second input of audio decoding circuit 102 and external interface circuit 103 the 3rd is defeated Enter end electrical connection.
Wherein, in specific embodiment of the utility model, above-mentioned power supply circuit 108 is mainly used in audio signal reception Each component of decoding apparatus 1(That is wireless communication line 101, audio decoding circuit 102 and external interface circuit 103 etc.)Power supply. And in specific embodiment of the utility model, above-mentioned power supply circuit 108 can be linear power supply or Switching Power Supply, so as to sound Each component of frequency signal receiving and decoding device 1 provides stable operating voltage.
Optionally, in specific embodiment of the utility model, above-mentioned audio signal reception decoding apparatus 1 also includes:Mould Intend audio signal processing circuit 109, first input end and the audio decoding circuit 102 of simulated audio signal process circuit 109 Output end electrically connects, and the output end and the first input end of external interface circuit 103 of simulated audio signal process circuit 109 are electrically connected Connect, the second input of simulated audio signal process circuit 109 electrically connects with supply unit.
Wherein, in specific embodiment of the utility model, above-mentioned simulated audio signal process circuit 109 is mainly used in pair The simulated audio signal that audio decoding circuit 102 exports is amplified processing, so as to follow-up operation, such as play etc..And In specific embodiment of the utility model, the second input of above-mentioned simulated audio signal process circuit 109 can be with power supply circuit 108 output end electrical connection, so that supply unit is provided surely by power supply circuit 108 to simulated audio signal process circuit 109 Fixed operating voltage.And an example is used as, above-mentioned simulated audio signal process circuit 109 can be an operational amplifier, with Just the amplification to simulated audio signal is simply and rapidly realized.
It can be seen that in specific embodiment of the utility model, export and lead to wireless communication line 101 in outside source 7 When crossing the audio signal of wireless communication transmissions pattern transmission, wireless communication line 101 can be transmitted agreement to the audio signal Decoding process, and the audio signal after processing is exported and carries out decoding process to audio decoding circuit 102, audio signal is reduced Into simulated audio signal, after being finally amplified processing to simulated audio signal by simulated audio signal process circuit 109, via External interface circuit 103 exports, therefore above-mentioned audio signal reception decoding apparatus 1 can be completed individually to passing through wireless communication transmissions The audio signal of pattern transmission carries out reception decoding, it is not necessary to additionally builds component(Such as processor etc.), and then make broadcast whole The framework at end is simplified.It should be noted that in actual use, for ease of the dismounting of audio signal reception decoding apparatus 1, Audio signal reception decoding apparatus 1 can be fabricated to circuit-board card.
Optionally, in specific embodiment of the utility model, above-mentioned supply unit includes Switching Power Supply 3, Switching Power Supply 3 Input electrically connected with external power source 4, the output end of Switching Power Supply 3 respectively the 3rd input with wireless communication line 101, It is second input of audio decoding circuit 102, the second of the 3rd input of external interface circuit 103 and power amplification device 2 defeated Enter end electrical connection.
Wherein, in specific embodiment of the utility model, above-mentioned Switching Power Supply 3 is mainly used in exporting external power source 4 Electricity handled(Such as exchange turns direct current processing), and use each component that the electricity after processing is broadcast terminal(Including audio Signal receiving and decoding device 1 and power amplification device 2)Power supply.Wherein, to enable Switching Power Supply 3 to audio signal reception decoding apparatus 1 All component power supply, the input that the output end of above-mentioned Switching Power Supply 3 can be directly with power supply circuit 108 electrically connects.And herein As an example, above-mentioned Switching Power Supply 3 can be AC-DC Switching Power Supply, so as to simply and rapidly to external power source 4 The electricity of output is handled, and simplifies the framework of broadcast terminal.
As can be seen here, in embodiment of the present utility model, due to defeated to wireless communication line 101 in outside source 7 When going out the audio signal transmitted by wireless communication transmissions pattern, wireless communication line 101 can be transmitted to the audio signal Protocol-decoding processing, and the audio signal after processing is exported and carries out decoding process to audio decoding circuit 102, by audio signal It is reduced into simulated audio signal so that broadcast terminal just can be completed to passing through channel radio by audio signal reception decoding apparatus 1 The reception decoding of the audio signal of transmission mode transmission is believed, so that power amplification device 2 receives sound by external interface circuit 103 During the simulated audio signal that frequency decoding circuit 102 restores, the simulated audio signal can be directly played, and then makes broadcast whole End is simplifying own infrastructure, in the case of reducing cost, realizes and the audio signal transmitted by wireless communication transmissions pattern is entered Row receives decoding and the effect played.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement The scope of protection of the utility model is also should be regarded as with retouching.

Claims (8)

  1. A kind of 1. broadcast terminal, it is characterised in that including:
    Audio signal reception decoding apparatus, the audio signal reception decoding apparatus include wireless communication line, audio decoder electricity Road and external interface circuit, the first input end of the wireless communication line electrically connect with the output end of outside source, institute State the first input end of audio decoding circuit to electrically connect with the first output end of the wireless communication line, the external interface electricity The first input end on road electrically connects with the output end of the audio decoding circuit, the second input of the external interface circuit with The second output end electrical connection of the wireless communication line, output end and the wireless communication line of the external interface circuit The second input electrical connection, and the external interface circuit be provided with audio signal interface, data configuration signaling interface, communication Interface and power supply signal interface;
    Power amplification device, the first input end of the power amplification device electrically connect with the audio signal interface;
    Supply unit, the supply unit the 3rd input, the audio decoding circuit with the wireless communication line respectively The second input, the external interface circuit the 3rd input and the power amplification device the second input electrical connection;
    Configuration device, the first signal port of the configuration device and the data configuration signaling interface, the communication interface with And the power supply signal interface electrical connection, the secondary signal port of the configuration device electrically connects with exterior terminal.
  2. 2. broadcast terminal according to claim 1, it is characterised in that the audio signal reception decoding apparatus also includes:
    Power supply circuit, the input of the power supply circuit electrically connect with the supply unit, the output end point of the power supply circuit The second input and the external interface of the 3rd input, the audio decoding circuit not with the wireless communication line The 3rd input electrical connection of circuit.
  3. 3. broadcast terminal according to claim 2, it is characterised in that the power supply circuit is linear power supply or switch electricity Source.
  4. 4. broadcast terminal according to claim 1, it is characterised in that the audio signal reception decoding apparatus also includes:
    Simulated audio signal process circuit, first input end and the audio decoder electricity of the simulated audio signal process circuit The output end electrical connection on road, the output end of the simulated audio signal process circuit and the first input of the external interface circuit End electrical connection, the second input of the simulated audio signal process circuit electrically connect with the supply unit.
  5. 5. broadcast terminal according to claim 1, it is characterised in that the supply unit includes Switching Power Supply, described to open The input in powered-down source electrically connects with external power source, the output end of the Switching Power Supply respectively with the wireless communication line Three inputs, the second input of the audio decoding circuit, the 3rd input of the external interface circuit and the work( Put the second input electrical connection of device.
  6. 6. broadcast terminal according to claim 5, it is characterised in that the Switching Power Supply is AC-DC Switching Power Supply.
  7. 7. broadcast terminal according to claim 1, it is characterised in that the power amplification device is D class audio frequency power amplifiers.
  8. 8. broadcast terminal according to claim 1, it is characterised in that the configuration device is that Transistor-Transistor Logic level configures board.
CN201720992364.1U 2017-08-09 2017-08-09 Broadcast terminal Active CN207053519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720992364.1U CN207053519U (en) 2017-08-09 2017-08-09 Broadcast terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720992364.1U CN207053519U (en) 2017-08-09 2017-08-09 Broadcast terminal

Publications (1)

Publication Number Publication Date
CN207053519U true CN207053519U (en) 2018-02-27

Family

ID=61499782

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720992364.1U Active CN207053519U (en) 2017-08-09 2017-08-09 Broadcast terminal

Country Status (1)

Country Link
CN (1) CN207053519U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Broadcast terminal

Effective date of registration: 20221230

Granted publication date: 20180227

Pledgee: Agricultural Bank of China Limited Changsha Furong District Sub-branch

Pledgor: HUNAN COMTOM ELECTRONIC TECHNOLOGY CO.,LTD.

Registration number: Y2022980029886