Audio control device and method

An audio control and display control technology, applied in image communication, selective content distribution, electrical components, etc., can solve problems such as complex system structure, high hardware cost, out-of-sync video and audio, and achieve simple, stable and reliable system structure , the effect of small amount of data

Inactive Publication Date: 2015-04-15
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 1. Since the received information is not processed, the co-playing of video and audio is realized by separating the text information from the audio information and playing them separately, which can easily cause the video and audio to be out of sync;
[0010] 2. Due to the need for real-time computer participation, offline playback cannot be realized
[0012] 1. The system structure is complex and the hardware cost is too high;
[0013] 2. The sound information is directly input from the outside and cannot be synchronized in real time

Method used

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Examples

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no. 1 example

[0029] see image 3 , provides an audio control device for the first embodiment of the present invention, which can be applied to a single / double-color LED control card. The audio control device 50 includes: a data communication module 501 , a CPU 502 , a speech synthesis chip 503 and a storage module 504 . The CPU 502 is electrically connected to the data communication module 501 , the speech synthesis chip 503 and the storage module 504 .

[0030] Wherein, the central processing unit 502 includes a micro control unit (Micro Control Unit, MCU) processor, which is used for scheduling various modules such as the data communication module 501 and the speech synthesis chip 503 and processing data from the above-mentioned various modules. The storage module 504 is preferably a flash memory (Flash).

[0031] Specifically, the data communication module 501 is configured to acquire program files, where the program files include text data corresponding to program text content. The c...

no. 2 example

[0035] For a better understanding of the technical solutions in the embodiments of the present invention, please refer to Figure 4 , is a schematic structural diagram of an audio control device provided in the second embodiment of the present invention. The audio control device 60 provided in this embodiment includes: image 3 The data communication module 501, central processing unit 502, speech synthesis chip 503 and storage module 504 described in the illustrated embodiment, and image 3 The content described in the illustrated embodiment is similar and will not be repeated here.

[0036]In this embodiment, the program file also includes data of display control parameters, and the data communication module 501 includes a mobile storage device interface 5011, which is used to read the mobile storage device when it is detected that a mobile storage device is connected. The program file stored in the storage device. Specifically, the removable storage device interface 5011...

no. 3 example

[0042] see Figure 5 , is a flowchart of an audio control method provided in the third embodiment of the present invention, the audio control method can be applied to image 3 and Figure 4 The audio control device described in the illustrated embodiment is used to control and realize real-time synchronous playback of pictures and texts, including:

[0043] Step S501, acquiring and storing a program file, the program file including text data corresponding to the text content of the program;

[0044] Specifically, the program file can be obtained by the central processing unit 501 from an external mobile storage device (such as a USB flash drive, a mobile hard disk) through a USB interface or an IEEE1394 interface, or can be entered by a user through a voice recognition module (such as a microphone). voice data obtained. The program text content includes one or more words to be displayed on the LED display. The central processing unit 501 acquires the text data correspondin...

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Abstract

The invention relates to an audio control device and method. The audio control device comprises a data communication module, a central processing unit, a speech synthesis chip and a memory module, wherein the central processing unit is electrically connected with the data communication module, the speech synthesis chip and the memory module; the data communication module is used for acquiring a program file; the program file comprises text data corresponding to the program text content; the central processing unit is used for caching the program file in the memory module, processing the text data according to preset display control parameters to enable the program text content to be displayed on an LED screen according to the display control parameters, and sending the text data to the speech synthesis chip meanwhile; the speech synthesis chip is used for synthesizing the text data into a voice message, and synchronously playing the voice message when the program text content is displayed according to the display control parameters. The audio control device and method can realize image-text real-time synchronous playing in a sound and text manner.

Description

technical field [0001] The present invention relates to the field of media playing, in particular to an audio control device and method. Background technique [0002] With the rapid development of light-emitting diode (Lighting Emitting Diode, LED) display screens, advertisers or other users no longer meet the requirements of single-screen LED display screens, and the demand for multimedia is also increasing. How to integrate audio and subtitles to provide better advertising services is an urgent problem to be solved. [0003] In the prior art, audio control methods based on LED display mainly include the following two types: [0004] The first method is to send images and sounds in real time through the computer, and its principle block diagram can be shown as figure 1 shown. [0005] figure 1 The middle LED screen display screen 101 connects the sound player 104, and adds a sound control integrated circuit (not shown in the figure), the content to be played is sent to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/439H04N21/431H04N21/485
CPCH04N21/439H04N21/4307H04N21/485
Inventor 王晨刘延
Owner XIAN NOVASTAR TECH
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