KR19990001063A - How to change the background sound of your Internet set-top - Google Patents

Abstract

The present invention relates to a method of changing a background sound of an internet set-top that outputs a background sound that is desired by using an external audio device by overlapping the background sound that is output in an internet mode of the internet set-top, in the state of being connected to the internet. A first step of outputting a background sound provided from the Internet, a second step of driving the switching means if the key signal for changing the output background sound is input, and an audio signal provided from the audio signal source to the Internet set-top And a fourth step of inputting and overlapping and outputting the background audio provided from the Internet and the input audio signal.

Description

How to change the background sound of your Internet set-top

The present invention relates to an internet set-top, and more particularly, to a method of changing a background sound when using an internet module.

The Internet started out as a special military computer network, and today it is a popular network that connects computers from almost every country in the world. Technically, the Internet is a network of computer networks that exchange data according to a communication protocol called transmission control protocol / internet protocol (TCP / IP). It is not possible to connect all the computers to a central network, but to satisfy a certain protocol, any network can be easily connected, and as a result, a large number of computers can be connected.

In general, services using the Internet have a client / server structure in which one computer requests information from another computer and the requested computer passes the requested information. The one that provides the information is called the server computer, and the one that receives the information is called the client computer. The World Wide Web is also a client / server architecture Internet service that uses a communication protocol called Hyper Text Transfer Protocol (http). A collection of information provided by a web server computer is called a web site. If the web server computer is a TV station, the web site is a channel.

A web browser that receives information from the Internet is a TV receiver in terms of TV broadcasts. As a user, you will be able to use the World Wide Web right away by learning the web browser. The complex internal tasks of the World Wide Web are handled by the web browser, so the user only has to manipulate the web browser as he would handle a remote control. In fact, the popularity of the web as it is today is due to the development of great web browsers that are powerful and easy to use. Web browsers are improving over time, and in the near future, you will be able to use almost all of the features of your computer if you learn them.

Currently, in order to access the Internet for information retrieval using a web browser, a monitor, a display device, and a computer, which is a terminal device, must be connected to a network or a telephone line. However, in order to use the Internet, hardware equipment, such as an expensive personal multimedia PC, is required, and there is a problem that it is difficult to carry a portable PC other than a laptop PC.

Therefore, an Internet set-top with an Internet-specific module has been proposed that enables the use of the Internet in a cost effective manner.

Referring to Fig. 3, an internet set top having an internet module connectable with a television set 300 having a conventional monitor is shown.

The internet module 100 is provided in the form of a set top box that is externally connectable to a television set. As shown, the Internet-only module 100 is configured as one board, on which hardware for connecting to the Internet is mounted. The Internet-only module 100 provides hypertext multimedia information downloaded from the Internet to a monitor of the television set 300 and displays it. The Internet dedicated module 100 is composed of a microprocessor 150 for Internet communication and its peripheral devices. The internet module 100 further includes a keyboard / mouse 200 which is a pointing input means as its accessory.

Microprocessor 150 is a 32-bit RISC microprocessor module, an ARM 7500 series microcontroller chip available from Advanced RISC Machines (ARM) of the United Kingdom. The microprocessor 150 internally revolves around the ARM7 CPU core, with video processing, sound processing, other I / O interfaces, A / D and D / A functions, 4K byte cache, write buffers, and memory management. It consists of a one-chip microprocessor for multimedia that includes a memory management unit (MMU). Video and sound processing units produce video output for monitors, televisions, and other CRT or low power LCD display devices, and I / O processing interfaces are used for interfaces such as keyboards and mice or joysticks.

The modem 195 is connected to an external telephone line to use the Internet, and is connected to the microprocessor 150 through an E-ISA connector 190 supported by the processor 150.

PROM 140 is used to store basic OS and Internet related protocols such as TCP / IP, PPP, MIME, HTTP, HTML, and the like.

The flash memory 180 serves as a hard disk storage medium used in a PC, and is used to store a web browsing application program such as an explorer or a space navigator.

The DRAM 120 is used to store data and information downloaded from the Internet along with the flash memory 180. Memory groups such as PROM 140, flash memory 180, and DRAM 120 are expandable for capacity.

The key input processing unit 110 is connected to one side using an I / O interface built into the processor 150, and the other side is connected to a keyboard / mouse 300 to process an input signal to the processor 150. Perform the function of passing.

The encoder 160 converts the RGB video signal output from the processor 150 into an NTSC video signal used in the television set 300.

The sound D / A converter 130 performs a digital / analog conversion function for converting the multimedia digital audio signal output from the processor 150 into an analog audio signal, and the output thereof is a speaker (shown in the television set 300). No).

On the other hand, when the conventional Internet set-top configured as described above is operating in the Internet mode, that is, when the user clicks a key provided on the keyboard / mouse 200 for performing a specific command while using the Internet, Regular sound effects are output through the speakers of the television set, and these mechanical and sound effects are repeated regularly each time the user clicks the keyboard or mouse.

If the user is able to change various sound effects using an audio device connected to the Internet set-top when using the Internet mode, a more pleasant environment for using the product may be added, and various user needs may be satisfied. .

Accordingly, the present invention has been made in view of the above, and provides a method of changing the background sound of the Internet set-top that can output the desired background sound using an external audio device when the user uses the Internet in the Internet set-top There is a purpose.

The present invention for achieving the above object is, the first step of outputting the background sound provided from the Internet in the state connected to the Internet, when the key signal for changing the output background sound is input, the first driving means for switching the switching means; A second step of inputting an audio signal provided from the audio signal source to the internet set-top, and a fourth step of overlapping and outputting the background sound provided from the internet and the input audio signal; Provide a way to change it.

1 is a block diagram of an Internet set-top suitable for applying a method for changing the background sound of the Internet set-top according to an embodiment of the present invention;

2 is a flowchart illustrating a process of changing a background sound of an internet set-top according to a preferred embodiment of the present invention;

3 is a block diagram showing the configuration of a typical Internet module.

<Description of the code | symbol about the principal part of drawing>

130: sound D / A conversion unit 135: relay unit

150: microprocessor 155: receiver

500: audio signal source 510: audio signal input terminal

The above and other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings, wherein like reference numerals in the drawings illustrate the same configuration. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an Internet set-top suitable for applying a method for changing a background sound of an Internet set-top according to an exemplary embodiment of the present invention, and includes an audio signal source 500, an audio signal input terminal 510, and a sound D / A converter. 130, switch 135, and Internet microprocessor 150.

The audio signal source 500 is an external audio device connected to the Internet set-top, for example, is composed of a radio, a CD player, etc., the audio to the audio signal input terminal 510 of the Internet set-top using a cable and input jack (jack) Input the signal.

The sound D / A converter 130 performs a digital / analog conversion function for converting the multimedia digital audio signal input to the Internet module 100 into an analog audio signal based on a control signal of the Internet microprocessor 150. It is then output to the speaker 137 of the television set 300.

That is, the sound D / A converter 130 converts the digital audio signal inserted into the Internet information provided through the modem 195 into an analog audio signal and outputs the analog audio signal. When the Internet information is not inserted, the user outputs only a signal for clicking a key provided on the keyboard / mouse 200 through the speaker.

On the other hand, the receiving unit 155 receives the key signal of the remote control, not shown, and provides it to the microprocessor 150 of the Internet module 100, the Internet microprocessor 150 controls the overall operation of the Internet module 100 In particular, when the audio switching signal generated from the remote controller is received by the receiver 155, a control signal corresponding thereto is generated to drive the relay unit 135.

The relay unit 135 outputs an external audio signal output through the audio signal input terminal 510 to the speaker 137 based on the control signal of the microprocessor 150.

2 is a flowchart of a process of performing a method of changing a background sound of an internet set-top according to a preferred embodiment of the present invention, which will be described in detail with reference to the accompanying drawings.

In the Internet set-top configured as described above, if the Internet module 100 is driven in the Internet mode by the user (step 201), the multimedia hypertext signal inputted to the Internet module 100 through the modem 195 is a sound D / A. After the conversion unit 130 is converted into an analog audio signal and output to the speaker 137 (step 203).

That is, the audio signal output in step 203 described above is output through the speaker only the basic sound generated when the audio signal embedded in the Internet information is processed through a predetermined signal processing process or when the keyboard or the mouse is clicked.

If the user inputs a background sound change key signal using a remote controller, not shown, to change the audio signal output from the external audio signal source 500 to the background sound for the Internet mode (step 205), the Internet microprocessor ( The relay unit 135 is driven by 150 to connect the audio signal input terminal 510 and the speaker 137 (step 207).

Then, when the user drives the external audio signal source 500 again (step 209), the analog audio signal reproduced from the audio signal source 500 is provided to the audio signal input terminal 510 of the Internet set-top (step 211), It is again provided to the speaker 137 via the relay unit 135.

Accordingly, the speaker 137 includes an audio signal inserted into the hypertext information of the Internet input through the sound D / A converter 130 and an audio signal of the external audio signal source 500 output from the relay unit 135. Overlapped and output (step 213).

As a result, the user can listen to his / her desired background sound and at the same time listen to audio information provided from the Internet.

As described above, according to the present invention, since the background sound output when the user uses the Internet mode in the Internet set-top can be changed to the desired music by using an external audio device, there is an effect that can satisfy the needs of various users. .

Claims (1)

A method of changing a background sound of an internet set-top, which is connected to an external television set and an external audio signal source, is provided with switching means for changing an audio signal, and which is accessible to the Internet. A first step of outputting a background sound provided from the internet while connected to the internet; A second step of driving the switching means when a key signal for changing the output background sound is input; A third step of inputting an audio signal provided from the audio signal source into the internet set-top; And a fourth step of overlapping and outputting the background sound provided from the internet and the input audio signal.