CN210606615U

CN210606615U - Text-to-speech broadcasting system

Info

Publication number: CN210606615U
Application number: CN201921348244.3U
Authority: CN
Inventors: 麦国深; 都松江; 王军
Original assignee: Shenzhen Hongtai Security Technology Co ltd
Current assignee: Shenzhen Hongtai Security Technology Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-05-22
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a characters change pronunciation broadcasting system, characterized by: the wireless sound box device comprises a conversion device and a wireless sound box device, wherein the conversion device comprises a radio frequency transceiver circuit, a DPMR baseband chip, an MCU, a voice synthesis chip, an audio circuit, an A \ D conversion module, a wireless transmitting circuit, an audio interface and a first power supply, and the wireless sound box device is in communication connection with the conversion device and used for receiving audio data and restoring sound. This broadcasting system not only can receive and broadcast speech signal, can also receive literal data, converts literal data into speech signal and broadcasts, and this broadcasting device's conversion equipment has multiple audio output form, can connect devices such as audio amplifier, earphone through wired connection or wireless connection's mode, constitutes regional broadcasting system, and this system can be built in a flexible way, is applicable to different use scenes.

Description

Text-to-speech broadcasting system

Technical Field

The utility model relates to a broadcasting system technical field, more specifically say, it relates to a characters changes pronunciation broadcasting system.

Background

With the development of communication technology and the popularization of intelligent equipment, the quantity of information spread by using characters among people is larger and larger. In some occasions, for example, a multi-person internal conference, some people are not on the spot, and a voice conference broadcasting system needs to be accessed by a mobile terminal, but the environment in which the mobile terminal is located is not suitable for speaking, so that only text information can be sent.

The existing voice broadcasting system does not support the function of converting text into voice, during the conference, text information of off-site participants can only be displayed through a field screen, and the conference participants who adopt language communication on the field are extremely unfriendly and have extremely poor experience, so that the conference effect is directly influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a characters change pronunciation broadcasting system, it can turn into pronunciation with received text message.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a character-to-voice broadcasting system comprises a conversion device and a wireless sound box device, wherein the conversion device comprises a radio frequency transceiver circuit, a DPMR baseband chip, an MCU, a voice synthesis chip, an audio circuit, an A \ D conversion module, a wireless transmitting circuit, an audio interface and a first power supply, the audio circuit is provided with two input ends and two output ends, the output end of the radio frequency transceiver circuit is connected with the input end of the DPMR baseband chip, one output end of the DPMR baseband chip is connected with the data input end of the MCU, the other output end of the DPMR chip is connected with one input end of the audio circuit, the data output end of the MCU is connected with the data input end of the voice synthesis chip, the signal output end of the voice synthesis chip is connected with the other input end of the audio circuit, the input end of the A \ D conversion circuit is connected with one output end of the audio circuit, the output end of the A \ D conversion circuit is connected, the audio interface is connected with another way output of audio circuit, and MCU's control signal output of the same kind is connected with wireless transmitting circuit's control signal input, and first power is used for supplying power for whole device, wireless audio amplifier device with conversion equipment communication connection for receive audio data and restore out sound.

The wireless sound box device comprises a central control circuit, a wireless receiving circuit, a decoding circuit, a power amplification circuit, a loudspeaker and a second power supply, wherein the second power supply is used for supplying power to the whole sound box device.

According to the preferable scheme, the wireless transmitting circuit is a WIFI transmitting circuit, and the wireless receiving circuit is a WIFI receiving circuit.

Preferably, the wireless transmitting circuit is an LoRa transmitting circuit, and the wireless receiving circuit is an LoRa receiving circuit.

Preferably, the wireless transmitting circuit is a ZigBee transmitting circuit, and the wireless receiving circuit is a ZigBee receiving circuit.

According to the preferable scheme, the second power supply comprises a storage battery module, a charge-discharge management module and a solar panel, a discharge end of the charge-discharge module is connected with a power supply access end of the sound device, a charge end of the storage battery module is connected with an output end of the charge-discharge management module, an input end of the charge-discharge management module is connected with an output end of the solar panel, and an input end of the charge-discharge management module is further connected with a charge interface.

Compared with the prior art, the utility model has the advantages that: this broadcasting system not only can receive and broadcast speech signal, can also receive literal data, converts literal data into speech signal and broadcasts, and this broadcasting device's conversion equipment has multiple audio output form, can connect devices such as audio amplifier, earphone through wired connection or wireless connection's mode, constitutes regional broadcasting system, and this system can be built in a flexible way, is applicable to different use scenes.

Drawings

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

Fig. 1 is a schematic diagram of a broadcast system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

A text-to-speech broadcasting system, referring to fig. 1, includes a conversion device and a sound box device.

The conversion device comprises a radio frequency transceiver circuit, a DPMR baseband chip, an MCU, a voice synthesis chip, an audio circuit, an A \ D conversion module, a WIFI transmitting circuit, an audio interface and a first power supply.

The audio circuit has two input terminals and two output terminals.

Wherein, the input of DPMR baseband chip is connected to radio frequency transceiver circuit's output, DPMR baseband chip's the output of the same kind is connected with MCU's data input end, DPMR chip's another way output is connected with audio circuit's the input of the same kind, MCU's data output end is connected with speech synthesis chip's data input end, speech synthesis chip's signal output end is connected with audio circuit's another way input end, AD converting circuit's input is connected with audio circuit's the output of the same kind, AD converting circuit's output is connected WIFI transmitting circuit's input, audio interface is connected with audio circuit's another way output, MCU's the control signal output of the same kind is connected with WIFI transmitting circuit's control signal input, first power is used for the power supply for whole device.

The sound box device comprises a central control circuit, a WIFI receiving circuit, a decoding circuit, a power amplifier circuit, a loudspeaker and a second power supply, wherein the second power supply is used for supplying power to the whole sound box device.

The output end of the WIFI receiving circuit is connected with the input end of the central control circuit, the input end of the decoding circuit is connected with the output end of the central control circuit, the input end of the power amplifier circuit is connected with the output end of the decoding circuit, and the output end of the power amplifier circuit is connected with the loudspeaker.

The conversion device and the audio box device need to be paired in a WIFI connection.

The working principle of the broadcasting system is as follows: the radio frequency transceiver circuit receives a wireless signal of an external communication terminal through a receiving antenna and sends the wireless signal to the DPMR baseband chip, the DPMR baseband chip decodes the wireless signal, and when the decoded signal is a voice signal, the voice signal is sent to the audio circuit; when the DPMR baseband chip decodes to obtain character data, the character data is sent to the MCU, the MCU sends the character data to the voice synthesis chip for processing and controls the voice synthesis chip according to a control command, and the voice synthesis chip immediately converts the character data into a voice signal according to the control command of the MCU and sends the voice signal to the audio circuit; the A \ D conversion circuit converts the simulated voice signals into digital voice signals and carries out digital coding, the coded data are sent to the WIFI transmitting circuit, the MCU sends a control command to the WIFI transmitting circuit, and the WIFI transmitting circuit transmits the data through the WIFI signals according to the control command.

The WIFI receiving circuit of the sound box device receives data transmitted by WIFI signals and sends the received data to the central control circuit, the central control circuit sends the data to the decoding circuit and controls the decoding circuit to decode the data, an analog voice signal is restored, the analog voice signal is amplified by the power amplifier circuit and then sent to the loudspeaker, and sound is restored by the loudspeaker.

This broadcasting system not only can receive and broadcast speech signal, can also receive literal data, converts literal data into speech signal and broadcasts, and this broadcasting device's conversion equipment has multiple audio output form, can connect devices such as audio amplifier, earphone through wired connection or wireless connection's mode, constitutes regional broadcasting system, and this system can be built in a flexible way, is applicable to different use scenes.

The second power supply in this embodiment includes a storage battery module, a charge and discharge management module, and a solar cell panel, where a discharge end of the charge and discharge module is connected to a power supply access end of the audio device, a charge end of the storage battery module is connected to an output end of the charge and discharge management module, an input end of the charge and discharge management module is connected to an output end of the solar cell panel, and an input end of the charge and discharge management module is further connected to a charge interface. The sound device is connected and communicated with the conversion device in a solar power supply mode and a wireless connection mode. The audio apparatus can be disposed outdoors and the wireless cable is connected, so that it can be disposed freely. The system can be applied to indoor small-range meetings and can also be constructed into regional broadcast.

In other embodiments, a ZigBee transmitting circuit and a ZigBee receiving circuit may be used to replace the WIFI transmitting circuit and the WIFI receiving circuit in this embodiment, respectively; also can adopt loRa transmitting circuit and loRa receiving circuit to replace WIFI transmitting circuit and WIFI receiving circuit in this embodiment respectively.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 text-to-speech broadcasting system is characterized in that: the device comprises a conversion device and a wireless sound box device, wherein the conversion device comprises a radio frequency transceiver circuit, a DPMR baseband chip, an MCU, a voice synthesis chip, an audio circuit, an A \ D conversion module, a wireless transmitting circuit, an audio interface and a first power supply, the audio circuit is provided with two input ends and two output ends, the output end of the radio frequency transceiver circuit is connected with the input end of the DPMR baseband chip, one output end of the DPMR baseband chip is connected with the data input end of the MCU, the other output end of the DPMR chip is connected with one input end of the audio circuit, the data output end of the MCU is connected with the data input end of the voice synthesis chip, the signal output end of the voice synthesis chip is connected with the other input end of the audio circuit, the input end of the A \ D conversion circuit is connected with one output end of the audio circuit, and the output end of the A \ D conversion, the audio interface is connected with another way output of audio circuit, and MCU's control signal output of the same kind is connected with wireless transmitting circuit's control signal input, and first power is used for supplying power for whole device, wireless audio amplifier device with conversion equipment communication connection for receive audio data and restore out sound.

2. The system of claim 1, wherein the wireless speaker device comprises a central control circuit, a wireless receiving circuit, a decoding circuit, a power amplifier circuit, a speaker, and a second power supply for supplying power to the entire speaker device.

3. The system of claim 2, wherein the wireless transmitter circuit is a WIFI transmitter circuit, and the wireless receiver circuit is a WIFI receiver circuit.

4. The system of claim 2, wherein the wireless transmitter circuit is a LoRa transmitter circuit, and the wireless receiver circuit is a LoRa receiver circuit.

5. The system of claim 2, wherein the wireless transmitter circuit is a ZigBee transmitter circuit, and the wireless receiver circuit is a ZigBee receiver circuit.

6. The system of claim 2, wherein the second power source comprises a battery module, a charging and discharging management module and a solar panel, a discharging end of the charging and discharging module is connected to a power input end of the audio device, a charging end of the battery module is connected to an output end of the charging and discharging management module, an input end of the charging and discharging management module is connected to an output end of the solar panel, and an input end of the charging and discharging management module is further connected to a charging interface.