KR200397644Y1 - Audio system for using computer have within usb sound chip - Google Patents

Abstract

The present invention combines an audio portion capable of playing a cassette tape and a radio function and an external sound signal input to a USB external sound card connected to a computer, and the present invention is connected to a USB port of a computer and inputted from an external device. The sound chip converts the sound into digital and stores it in the computer, converts the digital sound output from the computer into analog sound and outputs it through the speaker, and a function input unit for inputting a function signal operated by a user, and a signal through the function input unit. When the USB control signal input or transmitted from the computer is input through the sound chip, the control of the connected cassette deck or radio and sound input stage, the control of sound output / recording, and the operation indication are used to control the overall audio system for the computer with built-in USB sound chip. Controls the motion Cassette deck unit for playing back cassette tape or recording analog sound output through speakers under the control of the control unit, main control unit, radio unit performing radio reception function under the control of the main control unit, control of the main control unit In accordance with the control of the external sound input unit and the sound chip input to the sound chip, according to the control of the main control unit to display the operation state of the USB sound card on the screen to implement a USB sound card for a computer.

Description

AUDIO SYSTEM FOR USING COMPUTER HAVE WITHIN USB SOUND CHIP}

The present invention combines an audio system including an external sound input terminal to a radio cassette deck player to a sound card connected to a computer by USB, and more specifically, receives an external sound signal that transmits the sound output from the computer to the speaker. It is a USB sound chip for computer audio system with built-in USB sound chip for computer, which includes cassette deck player and radio function as well as the function of (Universal Serial Bus) type external sound card, and stereo terminal and telephone line input terminal for inputting various external sound signals. It is about.

In general, a sound card is a hardware device having a function of processing various kinds of sounds in a computer. A sound card is a card type device designed to store and output sounds. Connect and use. Representative examples include Ad lib, Sound Blaster, and MIDI.

However, as is well known, a general computer sound card has a simple analog / digital signal input / output terminal, and most of them only perform a function of transmitting a computer sound to a speaker. Although there is a function to receive a sound signal, it was inconvenient to digitally store the input signal only by using a complicated connection or a separate program.

Accordingly, the present invention provides a program for adding a radio receiving function, a cassette deck player function, and various types of sound signal input functions to the conventional simple sound card as described above, and performing various functions beyond the simple functions of the sound card. As a matter of fact,

An object of the present invention is to add a cassette deck player and a radio function to a function of a USB (Universal Serial Bus) type external sound card that transmits sound output from a computer to a speaker, and a stereo terminal and a telephone line for external analog signal input. It is to provide a function that can be used easily with a computer by configuring audio for a computer with a built-in USB sound card including an input terminal.

The "audio system for a computer with a built-in USB sound chip" according to the present invention for achieving the above object,

A USB sound chip connected to a USB port of a computer, converting an externally input analog sound into digital and storing the same in the computer, and converting the digital sound output from the computer into analog sound and outputting the analog sound through a speaker;

A function input unit which inputs a function signal operated by a user;

When a signal is input through the function input unit or a USB control signal transmitted from the computer is input through the USB sound chip, the operation display is controlled by controlling the connected cassette deck, the radio and the sound input terminal, and controlling the sound output / recording. A main control unit which controls the overall operation of the audio system;

A cassette deck unit for reproducing a cassette tape or recording analog sound output through the speaker according to the control of the main control unit;

A radio unit for performing a radio reception function under control of the main control unit;

An external sound input unit configured to input an external sound signal under the control of the main control unit and transmit the external sound signal to the USB sound chip;

Characterized in that the display unit for displaying the overall operating state of the audio system on the screen under the control of the main control unit.

USB sound chip above,

A USB signal transceiver connected to a USB port of the computer to transmit and receive a USB signal;

A USB interface in charge of an interface between a control signal transmitted from the USB signal transceiver, an externally input function signal, and a reproduction sound;

A control signal interface for transmitting a control signal transmitted from the USB interface to a main control unit and transmitting a function signal transmitted from the main control unit to the computer side;

An analog / digital converter for converting the analog sound selectively output from the cassette deck unit, the radio unit, and an external sound input unit into digital sound corresponding thereto;

A sound input unit for transmitting the digital sound output from the analog / digital converter to the USB interface for storing in a computer or outputting to a speaker;

A digital sound output unit for outputting sound output from the USB interface;

And a digital / analog converter converting the digital sound output from the digital sound output device into an analog sound used therein and transmitting the same to the speaker.

Hereinafter, described in detail with reference to the accompanying drawings, preferred embodiments of the present invention according to the technical spirit as described above.

1 is an overall configuration diagram of a computer system to which an audio system for a USB sound chip embedded computer according to the present invention is applied.

Here, reference numeral 100 denotes a desktop computer, reference numeral 200 denotes a notebook computer, reference numeral 300 denotes an audio system for a computer equipped with a USB sound chip according to the present invention, and reference numeral 400 denotes a speaker.

2 is a block diagram showing the configuration of the "audio system for a computer with a built-in USB sound chip" according to the present invention.

Here, reference numeral 310 is a USB sound connected to the USB port 210 of the computer (for example, notebook computer 200) to convert the digital sound output from the computer 200 to analog sound and output through the speaker 400 A chip, and reference numeral 370 denotes a function input unit for inputting a function signal for the operation of the USB audio chip embedded computer audio system 300.

Also, reference numeral 320 denotes a cassette deck or radio connected when a signal is input through the function input unit 370 or a USB control signal transmitted from a program of the computer 200 is input through the USB sound chip 310. It represents the main control unit that controls the overall operation of the USB sound chip embedded audio system by controlling the operation display by controlling the sound input stage and controlling the sound output / recording.

Also, reference numeral 330 denotes a cassette deck unit 330 for reproducing a cassette tape or recording analog sound output through the speaker 400 under the control of the main control unit 320, and reference numeral 340 denotes the above. The radio unit 340 performs a radio reception function under the control of the main control unit 320, and reference numeral 350 denotes an external sound signal under the control of the main control unit 320 to input the USB sound chip. An external sound input unit which is transmitted to the 310 is indicated, and reference numeral 360 denotes a display unit 360 which displays an operation state of the USB audio chip embedded computer audio system 300 under the control of the main control unit 310. ).

In the above USB sound chip 310,

A USB signal transceiver 311 connected to a USB port 210 of the computer 200 to transmit and receive a USB signal; A USB interface 312 which is in charge of the interface between the control signal transmitted from the USB signal transceiver 311, the function signal input from the outside, and the sound for reproduction; A control signal interface 315 for transmitting a control signal transmitted from the USB interface 312 to the main control unit 320 and a function signal transmitted from the main control unit 320 to the computer 200; ; An analog-to-digital converter (316) for converting analog sound selectively output from the cassette deck unit (330), the radio unit (340), and the external sound input unit (350) into digital sound corresponding thereto; A sound input unit (317) for transmitting the digital sound output from the analog / digital converter (316) to the USB interface (312) for storing in the computer (200) or for transmitting to the speaker (400); A digital sound output unit (313) for outputting the digital sound output from the USB interface (312); It is composed of a digital to analog converter 314 for converting the digital sound output from the digital sound output unit 313 to the corresponding analog sound and delivered to the speaker 400.

The operation of the audio system for the USB sound chip embedded computer according to the present invention configured as described above will be described in detail with reference to FIGS. 1 and 2.

First, the desktop computer 100 or the notebook computer 200 and the USB sound chip embedded computer audio system 300 according to the present invention are connected using a USB cable.

At this time, the USB sound chip embedded computer audio system 300 is connected through a separate power cable to receive power. Accordingly, the USB audio chip embedded computer audio system 300 may transmit the sound input through the cassette deck, the radio, and the external sound input unit 350 to the speaker 400 without driving the connected computer.

When the computer inputs a function signal through a program built in the computer, it is transmitted to the main control unit 320 through a USB cable.

The main control unit 320 controls the overall operation of the USB sound chip embedded computer audio system 300 according to a function manipulated by a user, and transmits a function signal for the control operation of the USB sound chip 310. Forward to 315.

The function operation signal transmitted to the control signal interface 315 is transmitted to the computer 200 connected through the USB interface 312, the USB signal transceiver 311, and the USB port 210. Of course, when the computer 200 is not connected, such an operation is not performed, and an independent control is performed only by the main control unit 320.

On the other hand, if the user-selected function is cassette tape playback, the main control unit 320 controls the cassette deck unit 330, by this control cassette deck unit 330 is to play the inserted cassette tape. The reproduced analog sound is converted into digital sound by the analog / digital converter 316 of the sound chip 310 and transmitted to the USB interface 312 through the sound input unit 317.

After being output through the digital sound output unit 313, the digital / analog converter 314 is converted into analog sound and output to the outside through the speaker 400.

In addition, when connected to the computer, the digitally converted sound is transmitted to the USB port 210 through the USB signal transceiver 311, and then transmitted to the computer 200 is stored.

In addition, when the function selected by the user is a radio function, the main control unit 320 controls the radio unit 340, and by this control, the radio unit 340 receives a signal and processes the signal. The broadcast signal, which has been subjected to signal processing, is converted into digital sound by the analog-to-digital converter 316 of the USB sound chip 310, and transmitted to the USB interface 312 through the sound input unit 317.

After being output through the digital sound output unit 313, the digital / analog converter 314 is converted into analog sound and output to the outside through the speaker 400.

In addition, when connected to the computer, the digitally converted sound is transmitted to the USB port 210 through the USB signal transceiver 311, and then transmitted to the computer 200 is stored.

In addition, when the function selected by the user is the external sound selection, the main control unit 320 controls the external sound input unit 350, and by such control, the external sound input unit 350 is input through the external sound input terminal. The external sound signal is transmitted to the sound chip 310. The analog external sound signal input to the sound chip 310 is converted into digital sound by the analog / digital converter 316 and transmitted to the USB interface 312 through the sound input unit 317.

After being output through the digital sound output unit 313, the digital / analog converter 314 is converted into analog sound and output to the outside through the speaker 400.

In addition, when connected to the computer, the digitally converted sound is transmitted to the USB port 210 through the USB signal transceiver 311, and then transmitted to the computer 200 is stored.

As a result, the analog sound, the radio broadcast signal, and the external sound reproduced by the USB sound chip embedded computer audio system 300 are converted into digital sound and stored in the computer 200.

Meanwhile, the digital sound stored in the computer 200 or the digital sound downloaded through the computer 200 is applied to the USB audio chip embedded computer audio system 300 through the USB port 210 together with the control command.

The sound chip 310 of the USB sound chip embedded computer audio system 300 receives digital sound and control commands transmitted through the USB signal transceiver 311, and the digital sound is output through the USB interface 312. 313, and the control signal is transmitted to the control signal interface 315.

The digital sound via the digital sound output unit 313 is converted into analog sound through the digital / analog converter 314 and transmitted to the outside through the speaker 400.

In addition, the control signal interface 315 transmits the transmitted control signal to the main control unit 320, the main control unit 320 analyzes the transmitted control command to record the cassette deck unit 330 in the case of recording Control by action.

By such control, the cassette deck unit 330 records the analog sound output from the digital-to-analog converter 314 on the inserted cassette tape.

As a result, the digital sound stored by the computer 200 or the digital file downloaded through the Internet can be stored in a general cassette tape.

Here, under the control of the main control unit 320, the display unit 360 displays the operation status of the USB audio chip embedded computer audio system 300 on the screen.

Meanwhile, the external sound input unit 350 preferably uses a 3.5 mm terminal that is used most commonly in general audio among various kinds of sound signal input terminals, and additionally adjusts the input level according to the height of the input value. Level control switch is provided. It also includes a terminal for recording phone calls by connecting the input terminal with the input value adjusted so that the turntable called LP can be directly connected, and the hands-free of a general telephone line and a mobile phone. It also includes a SPDIF terminal for digital signal input.

In particular, the USB sound chip embedded computer audio system 300 according to the present invention is located in the middle of the computer and the speaker system, and can input and output the sound of the computer through the computer and the USB cable. In addition to the audio functions, except for the CDP and power amplifier functions that can be implemented by computer, the cassette deck player that can not be implemented by a computer, and the radio can be implemented and the program can be operated easily by a computer program. have.

According to the present invention described above, in the USB (Universal Serial Bus) type external sound card that delivers the sound output from the computer to the speaker, the cassette deck player and the audio function of the radio function and various sound signal input stages are combined to operate organically It is effective.

In addition, various types of external sound signals input through stereo and telephone line input terminals and digital signal input terminals for external analog signal input can be output through a speaker or easily stored in a computer as digital files by program operation on the computer. It works.

1 is an overall configuration diagram of a system to which an audio system for a USB sound chip embedded computer according to the present invention is applied,

Figure 2 is a block diagram showing the configuration of an audio system for a computer with a built-in USB sound chip according to the present invention.

<Explanation of symbols for the main parts of the drawings>

300... USB sound chip embedded audio system

310... USB sound chip

314... Digital / Analog Converter

315... Control signal interface

316... Analog / Digital Converter

320... Main control unit

330.. Cassette deck section

340... Radio

350... External sound input

360... Display part

370... Function input

Claims (3)

USB sound connected to the USB port 210 of the computer and converts the analog sound input from the outside to digital to store in the computer, and converts the digital sound output from the computer into analog sound and outputs through the speaker 400 A chip 310; A function input unit 370 for inputting a function signal manipulated by a user; When a signal is input through the function input unit 370 or a USB control signal transmitted from the computer is input through the USB sound chip 310, the control of the connected cassette deck or the radio and sound input terminal and the sound output / recording are controlled. A main control unit 320 for controlling the operation display to control the overall operation of the USB sound card; A cassette deck unit 330 for reproducing a cassette tape or recording analog sound output through the speaker 400 under the control of the main control unit 320; A radio unit 340 for performing a radio reception function under the control of the main control unit 320; An external sound input unit 350 which receives an external sound signal and transmits the external sound signal to the sound chip 310 under the control of the main control unit 320; Audio system for a USB sound chip embedded computer, characterized in that it comprises a display unit 360 for displaying the operation state of the audio system on the screen under the control of the main control unit (320). The method of claim 1, wherein the USB sound chip 310, A USB signal transceiver 311 connected to a USB port 210 of the computer to transmit and receive a USB signal; A USB interface 312 which is in charge of the interface between the control signal transmitted from the USB signal transceiver 311, the function signal input from the outside, and the sound for reproduction; A control signal interface (315) for transmitting a control signal transmitted from the USB interface (312) to a main control unit (320), and for transmitting a function signal transmitted from the main control unit (320) to the computer side; An analog-to-digital converter (316) for converting analog sound selectively output from the cassette deck unit (330), the radio unit (340), and the external sound input unit (350) into digital sound corresponding thereto; A sound input unit (317) for transmitting the digital sound output from the analog-to-digital converter (316) to the USB interface (312) for storing in a computer or for transmitting to a speaker (400); A digital sound output unit (313) for outputting the digital sound output from the USB interface (312); USB sound chip embedded computer audio, characterized in that it comprises a digital to analog converter 314 for converting the digital sound output from the digital sound output unit 313 to the corresponding analog sound and delivered to the speaker 400 system. The audio system for a computer with a built-in USB sound chip according to claim 1, wherein the computer has a built-in control program for controlling the main control unit (320).