CN214851251U

CN214851251U - Multisystem broadcast intelligent adapter

Info

Publication number: CN214851251U
Application number: CN202121043016.2U
Authority: CN
Inventors: 王恒; 黎锐; 东莲正; 黎美林; 黎钰
Original assignee: Guangzhou DSPPA Audio Co Ltd
Current assignee: Guangzhou DSPPA Audio Co Ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-23
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a multisystem broadcasting intelligent adapter, which comprises a radio broadcasting RDS receiving module, an IP cloud broadcasting network module, an audio channel switching circuit, a GPRS telephone TTS module, a double MCU single chip microcomputer, a touch screen control module and an RDS modulator module; the radio broadcast RDS receiving module, the IP cloud broadcast network module, the audio channel switching circuit and the GPRS telephone TTS module are all connected with the double MCU single chip microcomputer; the double-MCU single chip microcomputer is further connected to the RDS modulator module and the touch screen control module. The utility model relates to a multisystem broadcasting intelligence adapter, but wide application in broadcasting system technical field.

Description

Multisystem broadcast intelligent adapter

Technical Field

The utility model belongs to the technical field of the broadcasting system technique and specifically relates to a multisystem broadcast intelligent adapter.

Background

In emergency broadcasting, there are three major systems, namely RDS radio broadcasting, cloud broadcasting and GPRS TTS broadcasting, and each system needs to be matched with a corresponding broadcast adapter, so that it is impossible to apply one broadcast adapter to a plurality of systems simultaneously.

In RDS radio broadcasting, a radio broadcasting adapter can realize core control of RDS only by combining with another main control device, and the broadcasting adapter only has the functions of data forwarding and sound source switching and cannot play the functions of timing program broadcasting and paging broadcasting to terminal partitions.

In cloud broadcasting, a program must be broadcast and distributed in combination with a cloud platform.

In addition, the existing broadcast adapter has no function of displaying the state information of the equipment on a screen and no touch control function, and is not convenient enough.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a multisystem broadcast intelligent adapter, including radio broadcast RDS receiving module, IP cloud broadcast network module, audio channel switching circuit, GPRS phone TTS module, two MCU singlechips, touch-sensitive screen control module and RDS modulator module;

the radio broadcast RDS receiving module, the IP cloud broadcast network module, the audio channel switching circuit and the GPRS telephone TTS module are all connected with the double MCU single chip microcomputer;

the double-MCU single chip microcomputer is further connected to the RDS modulator module and the touch screen control module.

Optionally, the system further comprises a power supply voltage-stabilizing power supply module, wherein the power supply voltage-stabilizing power supply module is respectively connected with the radio broadcast RDS receiving module, the IP cloud broadcast network module, the audio channel switching circuit, the GPRS telephone TTS module, the double-MCU single chip microcomputer, the touch screen control module and the RDS modulator module.

Optionally, the audio channel switching circuit includes a PT2314 chip and peripheral circuits of the PT2314 chip.

Optionally,

pins

26 and 27 of the PT2314 chip are connected to an I2C interface of the MCU.

Optionally, the PT2314 chip includes a first channel stereo, a second channel stereo, a third channel stereo, and a fourth channel stereo;

the first channel stereo is used for accessing a stereo channel of a first line input and a telephone TTS sound source input;

the second channel stereo for accessing a stereo channel of a second line input and a local input, the local input comprising an MP3 sound source;

the third channel stereo is used for accessing an RDS radio reception input stereo channel;

and the fourth channel stereo is used for accessing a network audio input stereo channel.

Optionally, the peripheral circuit of the PT2314 chip includes an audio input resistor, an audio input capacitor, a bypass capacitor for supplying power to the chip, an auxiliary capacitor for controlling left and right channels with high pitch, a coupling blocking capacitor, an auxiliary capacitor for controlling loudness, an auxiliary capacitor for controlling bass, an auxiliary resistor for controlling bass, a coupling capacitor for outputting audio, and an audio output matching resistor.

Optionally, the touch screen control module includes a key control module, an audio switching key, and a display screen unit.

Above-mentioned the embodiment of the utility model provides an in technical scheme have following advantage: the utility model comprises a radio broadcast RDS receiving module, an IP cloud broadcast network module, an audio channel switching circuit, a GPRS telephone TTS module, a double MCU single chip microcomputer, a touch screen control module and an RDS modulator module; the radio broadcast RDS receiving module, the IP cloud broadcast network module, the audio channel switching circuit and the GPRS telephone TTS module are all connected with the double MCU single chip microcomputer; the double-MCU single chip microcomputer is further connected to the RDS modulator module and the touch screen control module. The utility model integrates the functions of RDS broadcast adaptation, cloud broadcast adaptation and TTS adaptation based on GPRS into a whole; the problem that a single machine cannot perform timed broadcasting control and perform subarea paging on a terminal in an RDS (radio data service) radio broadcasting system can be solved; the problem that equipment in the cloud broadcasting cannot independently operate in a system is solved; and simultaneously, the display and control functions are also provided.

Drawings

Fig. 1 is a block diagram of the overall structure of a multi-system broadcasting intelligent adapter of the present invention;

fig. 2 is a schematic circuit diagram of the audio channel switching circuit of the present invention;

fig. 3 is a schematic structural diagram of the control interface of the present invention.

Detailed Description

Aiming at the problems in the prior art, the utility model provides a multi-system broadcasting intelligent adapter, which comprises a radio broadcasting RDS receiving module, an IP cloud broadcasting network module, an audio channel switching circuit, a GPRS telephone TTS module, a double MCU single chip microcomputer, a touch screen control module and an RDS modulator module;

Optionally,

pins

26 and 27 of the PT2314 chip are connected to an I2C interface of the MCU.

It should be noted that the microphone input of the present embodiment is an input of a cut-through channel, and does not pass through the PT2314 chip.

The invention will be further explained and explained with reference to the drawings and the embodiments in the following description.

As shown in fig. 1, the utility model discloses a multisystem broadcasting intelligent adapter, the sound source input type of this adapter equipment includes following five types: 1) microphone input, 2) RDS receive mediated audio input, 3) network decoded audio input, 4) local program source input (e.g., two-way line input, FM receive, usb disk input, built-in sound source play, etc.), and 5) TTS sound source input.

As shown in fig. 1, after signals input by the five types of sound sources are processed by the double-MCU single chip microcomputer, sound source selection can be performed through the audio channel switching circuit, and then the signals are output through a circuit and finally externally connected with an audio power amplifier.

The RDS signal received by the radio broadcast RDS receiving module is processed by the double MCU single chip microcomputer and then is sent to the RDS modulator module, processed by the RDS modulator module and then is sent to the RDS radio frequency transmitter, and finally is output to the cloud broadcast receiving and expanding terminal through the network.

It should be noted that, the utility model discloses a management and control of two MCU singlechips has demonstrated in figure 1 that this two MCU singlechips all carry out the management and control to each way audio frequency and module, and the audio frequency priority is: microphone input > TTS > network audio, RDS audio > local program audio. The system comprises a receiving module and a sending module which are integrated into a three-system, wherein the receiving module can refer to a radio broadcast RDS receiving module, an IP cloud broadcast network module and a GPRS (general packet radio service) telephone TTS (text to data) module in the figure 1, and the output module can refer to the IP cloud broadcast network module, the RDS modulator module, a line output module and a local sound source input module in the figure 1.

Additionally, the utility model discloses a multisystem broadcasting intelligent adapter is equipped with touch-sensitive screen and simulation button and shows and control, as shown in FIG. 1, specifically includes button control module 10 and touch-sensitive screen control module 11, and wherein button control module 10 can be used for a key audio frequency to call, and touch-sensitive screen control module 11 can be used for touch-sensitive display and control, and then display device's state information, can also touch-control subregion send, and functions such as timing point setting and execution condition show. The utility model discloses a control interface's panel structure schematic diagram is shown in FIG. 3, and touch-sensitive screen control module includes button control module, audio frequency switching button and display screen unit, and wherein the display screen unit can be 4.3 cun touch-sensitive screens.

The touch screen of the machine is combined, RDS subarea paging broadcast of radio broadcast and timing point broadcast can be carried out. The cloud broadcasting machine can be used for directly broadcasting and releasing local sound sources, and can also be combined with a cloud platform for linkage broadcasting. Therefore, the utility model discloses an intelligent adapter is an adapter that can be applicable to multiple system, also is the broadcast controller of an intelligence.

In addition, the embodiment of the utility model provides a still provide audio channel switching circuit's circuit schematic diagram, as shown in fig. 2, in the audio channel switching circuit of this embodiment, U5 bit number PT2314 chip has been applied, I2C through MCU controls its 26,27 feet carry out the passageway and switch, this chip divide into 4 passageway stereos, 1 passageway is the MP3 passageway of USB flash disk, 2 passageways are the line input passageway, 3 passageways are the other one passageway of line input too, 4 passageways are the input channel of each controllable receiving module.

The resistors with the bit numbers of R38, R41, R45, R46, R48, R50, R47 and R49 are audio input resistors and play a role in matching and impact resistance.

The capacitors with the bit numbers of C47, C43, C49, C51, C54, C57, C56 and C58 are audio input capacitors and play the roles of isolating direct current and audio coupling.

C25 is the bypass capacitance that chip U5 supplied power.

C29 and C33 are auxiliary capacitors for controlling left and right channels with high pitch.

C37 and C55 are coupling and blocking capacitors for input and output after sound effect processing of the left and right channels.

C41 is an auxiliary capacitance for loudness control.

C42, C46, C48 and C50 are bass control auxiliary capacitors.

R36 and R44 are auxiliary resistors for bass control.

C35, C40, C36 are coupling capacitances for audio output.

R29, R32 are audio output matching resistors.

C23 and C24 are bypass capacitors of the chip analog reference voltage and play a role in stabilizing the voltage.

To sum up, the utility model discloses a multisystem broadcast intelligent adapter can solve RDS broadcast adapter, cloud broadcast adapter and because the trinity function of GPRS's TTS adapter.

The utility model discloses in RDS radio broadcasting system, can also solve the unit and can not regularly broadcast the accuse and carry out the problem that the subregion was paged to the terminal.

The utility model discloses an intelligence adapter is when the cloud broadcasting, can solve the problem that equipment can not independent operation can only closely link to each other in the system.

The utility model discloses an intelligence adapter has reinforceed the demonstration and has controlled the function.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. A multi-system broadcast intelligent adapter, characterized by: the system comprises a radio broadcast RDS receiving module, an IP cloud broadcast network module, an audio channel switching circuit, a GPRS telephone TTS module, a double-MCU single chip microcomputer, a touch screen control module and an RDS modulator module;

2. The multi-system broadcast intelligent adapter of claim 1, wherein: the system is characterized by further comprising a power supply voltage-stabilizing power supply module, wherein the power supply voltage-stabilizing power supply module is respectively connected with the radio broadcast RDS receiving module, the IP cloud broadcast network module, the audio channel switching circuit, the GPRS telephone TTS module, the double-MCU single chip microcomputer, the touch screen control module and the RDS modulator module.

3. The multi-system broadcast intelligent adapter of claim 1, wherein: the audio channel switching circuit comprises a PT2314 chip and peripheral circuits of the PT2314 chip.

4. A multi-system broadcast intelligent adapter according to claim 3, wherein:

pins 26 and 27 of the PT2314 chip are connected to an I2C interface of the MCU.

5. A multi-system broadcast intelligent adapter according to claim 3, wherein: the PT2314 chip comprises a first channel stereo, a second channel stereo, a third channel stereo and a fourth channel stereo;

6. A multi-system broadcast intelligent adapter according to claim 3, wherein: the peripheral circuit of the PT2314 chip comprises an audio input resistor, an audio input capacitor, a chip power supply bypass capacitor, an auxiliary capacitor for controlling left and right channels of high pitch, a coupling blocking capacitor, an auxiliary capacitor for controlling loudness, an auxiliary capacitor for controlling bass, an auxiliary resistor for controlling bass, a coupling capacitor for outputting audio and an audio output matching resistor.

7. A multi-system broadcast intelligent adapter according to any one of claims 1-6, characterized in that: the touch screen control module comprises a key control module, an audio switching key and a display screen unit.