CN201061176Y - Multi-video-audio functional portable electronic device - Google Patents

Abstract

A portable electronic device with multiple audio and video functions has the functions of a TV card and a broadcasting device. It may have a storage device. A user can watch externally received TV and radio programs at different locations by cooperating with a computer, store TV and radio programs, and watch the stored TV and radio programs. The storage device can also be used to store application software required for the computer to operate the portable electronic device. The device has high ease of use and low cost.

Description

Portable electronic device with multi-audio function

technical field

The utility model relates to the field of portable electronic devices, in particular to a portable electronic device with multiple video and audio functions.

Background technique

With the rapid development of electronic technology, the computer already has a Universal Serial Bus (USB) interface, and the peripheral electronic devices that communicate with this interface have the functions of plug and play and mutual connection. Therefore, the computer can be easily connected to multiple An external electronic device whereby an external electronic device may be used in conjunction with a computer for a purpose.

A portable electronic device is a commonly used electronic device, which can be connected to a computer through various interfaces, especially a universal serial bus interface. Typical portable electronic devices include digital cameras, music players (MP3), personal digital assistants (PDA), mobile phones, portable TV cards, small mobile hard disks and EZ-drives, etc., and the corresponding data content can be obtained through Connect with a computer and download from the computer to the portable electronic device, or upload from the portable electronic device to the computer.

Calculators have a large amount of storage resources and powerful data processing capabilities. Portable electronic devices are popular in the market because they can not only assist computers in their work, but also be carried around. However, there are many types of portable electronic devices at present, and it is very inconvenient for users to pay high costs when wearing multiple products. Therefore, users are looking forward to integrating products that are related to each other and can be used together. Not only can the cost of the portable electronic device be reduced, but also the convenience can be improved.

After the portable TV card is connected to the computer, you can directly watch TV programs on the computer. Please refer to Figure 1 for its connection with the computer. In Fig. 1, the portable TV card 10 is connected with an external computer 15, which includes a hybrid TV tuning unit 11, a digital demodulation module 12, an analog decoding unit 13 and a hybrid TV processing module 14, wherein the The hybrid TV processing module 14 includes a digital corresponding interface 141 , an analog corresponding interface 142 and a USB interface 143 .

The mixed TV tuning unit 11 receives a digital TV signal input TV_digital or an analog TV signal input TV_analog, and outputs a digital video/audio signal IF1 or an analog video signal IF2 and an analog audio signal SIF, wherein the digital and analog TV signals TV_digital and TV_analog can be a wireless TV signal or a cable TV signal, and both include a video signal and an audio signal.

Then, the digital demodulation module 12 and the analog decoding unit 13 respectively receive the digital video/audio signal IF1, the analog audio signal SIF and the analog video signal IF2, demodulate and decode them respectively, and then output a demodulated Digital video/audio signal TS, a decoded digital video signal YUV and a decoded digital audio signal I ² S/AC-Link, wherein I ² S and AC-Link signals are two different digital audio signal systems, although only One of them is output, but the circuits corresponding to the two digital audio signal systems can exist in the analog decoding unit 13 at the same time. Next, the digital corresponding interface 141 and the analog corresponding interface 142 respectively receive the demodulated digital video/audio signal TS, the decoded digital video signal YUV and the decoded digital audio signal I ² S/AC-Link, and pass the common The serial bus interface 143 outputs a computer interface signal USB to the computer 15 connected to the portable TV card 10 .

A radio player (or radio) is a device for users to listen to AM/FM broadcast content. It is a traditional device that provides audio-visual entertainment by external reception, just like television.

If the above-mentioned portable TV card can be integrated with the broadcasting device, the user can use a portable electronic device to cooperate with the computer to obtain various external audio-visual contents, which is very convenient and practical. In addition, if the installed application software required by the computer to operate the portable electronic device is directly stored on the integrated portable electronic device, it will be very convenient for the user to save the application software.

Contents of the invention

The main purpose of this utility model is to provide a portable electronic device with multiple audio-visual functions, so that users can watch TV and listen to radio programs through the device at the same time, improve the convenience of audio-visual listening and reduce costs.

Another object of the present invention is to provide a portable electronic device with multiple audio-visual functions, which can store an application software required to operate the device on a computer in itself.

In order to achieve the above object, the present invention proposes a portable electronic device with multiple audio-visual functions, including a TV module, a broadcast module and a hybrid processing module; the TV module includes a hybrid TV tuning unit, a digital demodulation unit and an analog Decoding unit, the hybrid TV tuning unit is used to receive an external digital TV signal or an external analog TV signal, and output a digital format output signal or an analog format output signal according to the external digital TV signal or the external analog TV signal, the The digital demodulation unit is used to receive the digital format output signal, and output a demodulated digital format signal according to the digital format output signal, and the analog decoding unit is used to receive the analog format output signal, and output the analog format output signal according to the analog format A decoded digital signal; the broadcast module is used to receive a broadcast signal and output a broadcast signal to be processed; the mixed processing module has a digital corresponding interface, an analog corresponding interface, a broadcast interface and a universal serial bus interface, Wherein, the digital corresponding interface is used to receive the demodulated digital format signal, the analog corresponding interface is used to receive the decoded digital signal, and the broadcast interface is used to receive the broadcast signal to be processed; The serial bus interface outputs a computer interface signal to the external computer according to the demodulated digital format signal, the decoded digital signal and the broadcast signal to be processed, and uses the external computer to play a first content corresponding to the computer interface signal .

In one embodiment, the portable electronic device with multiple audio-visual functions further includes a storage module, and the hybrid processing module further includes a storage interface, and the storage module communicates with the hybrid processing module through the storage interface, wherein the external The computer stores the first content corresponding to the computer interface signal into the storage module through the storage interface and the data/address bus, or the external computer extracts a first content from the storage module through the storage interface and the data/address bus Second content and play the second content.

The utility model has the following beneficial effects: the user can use a single portable electronic device to watch externally received TV/broadcast programs on the computer at the same time, store externally received TV/broadcast programs or watch stored TV/broadcast programs. High convenience.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is the function block diagram that an existing portable TV card is connected with computer and uses;

FIG. 2 is a functional block diagram of the portable electronic device with multi-audio function according to the present invention.

Among them, reference signs:

10-Portable TV Card

11 - Hybrid TV tuner module

12-digital demodulation module

13-Analog decoding unit

14-Hybrid TV processing module

15 - computer

20-Portable electronic device with multi-audio function

21- TV module

22 - Hybrid TV tuner unit

23-Digital demodulation unit

24-analog decoding unit

25 - Hybrid processing module

26-Broadcast module

27-storage module

28 - computer

141-digital corresponding interface

142-analog corresponding interface

143-Universal Serial Bus Interface

251-digital corresponding interface

252-analog corresponding interface

253-Broadcast interface

254-Universal Serial Bus Interface

255-storage interface

Detailed ways

Please refer to Fig. 2, the portable electronic device 20 of multi-video function of the present invention is connected with an external computer 28, and it comprises a TV module 21, a mixing processing module 25 and a broadcasting module 26; This TV module 21 comprises a mixed use TV tuner unit 22, a digital demodulation unit 23 and an analog decoding unit 24; the computer 28 includes a first and a second playback program.

When the user executes the first broadcast program on the computer 28, the hybrid TV tuning unit 22 utilizes an antenna or a cable interface (not shown) and receives an external digital or analog TV signal TV_digital or TV_analog, and output a digital video/audio signal IF1 or an analog video signal IF2 and an analog audio signal SIF according to the external digital TV signal TV_digital or the external analog TV signal TV_analog, wherein the external digital and analog TV signals TV_digital and TV_analog Both can be a wireless TV signal or a cable TV signal, and both include a video signal and an audio signal.

The digital demodulation unit 23 is used for receiving the digital video/audio signal IF1, and outputting a demodulated digital video/audio signal TS according to the digital video/audio signal IF1. The analog decoding unit 24 is used to receive the analog video signal IF2 and the analog audio signal SIF, and output a decoded digital video signal YUV and a decoded digital audio signal I according to the analog video signal IF2 and the analog audio signal SIF ² S1/AC-Link, where I ² S1 and AC-Link signals are two different digital audio signal systems, although only one of them is output, but the circuits corresponding to the two digital audio signal systems can exist in the analog In the decoding unit 24.

When the user executes the second broadcast program on the computer 28, the broadcast module 26 is used to receive a broadcast signal AM/FM and output a broadcast signal I ² S2 to be processed, wherein the broadcast signal includes an amplitude modulation signal AM or A frequency modulated signal is FM and contains only audio signals and no video signals.

The hybrid processing module 25 has a digital corresponding interface 251, an analog corresponding interface 252, a broadcast interface 253 and a universal serial bus interface 254, wherein the digital corresponding interface 251 is used to receive the demodulated digital video/audio signal TS The corresponding analog interface 252 is used for receiving the decoded digital video signal YUV and the digital audio signal I ² S1/AC-Link, and the broadcast interface 253 is used for receiving the broadcast signal I ² S2 to be processed.

In one embodiment, the portable electronic device 20 with multiple audio-visual functions also includes a storage module 27, which is connected to a data/address bus Data/Address, and the mixed processing module 25 also includes a storage interface 255. When an access command is issued at 28, the computer 28 accesses the data in the storage module 27 through the storage interface 255 and the data/address bus Data/Address, wherein there is a data/address signal Data/address on the data/address bus Data/Address Address. Through the storage module 27, the computer 28 can store the content corresponding to the computer interface signal USB through the user's order, or can issue an order to extract the stored content from the storage module 27, and then, through the mixed processing module 25 process and play the storage content corresponding to the computer interface signal USB on the computer 28 .

The storage module 27 can be one of the group consisting of a small portable hard disk and a flash memory. Wherein, the flash memory is integrated with the portable electronic device 20 with multi-video function, and the small portable hard disk can be integrated with the portable electronic device 20 with multi-video function or can be removed therefrom.

In an embodiment of the present invention, the external computer 28 may further include an application software required for operating the portable electronic device 20 with multi-audio function, and the user may operate the portable electronic device 20 with multi-audio function by executing the application software.

In this way, the user can use a single portable electronic device to simultaneously watch or listen to externally received TV/radio programs, store externally received TV/radio programs or watch or listen to stored TV/radio programs on different computers.

Wherein, the above-mentioned signals TV_digital, TV_analog, IF1, IF2, TS, YUV, I ² S1/AC-Link, AM/FM, I ² S2, Data/Address and USB are all well known by those skilled in the art, and will not be stated otherwise here. repeat.

By implementing the present invention, users can use a single portable electronic device to perform multiple functions, which has high convenience. In addition, in the present invention, because the required hardware of various functions corresponds to the part of the universal serial bus interface connected with the computer (that is, the aforementioned universal serial bus interface 254), the required hardware for processing audio signals And firmware (firmware) can be shared, so its hardware cost is lower than the sum of various existing portable electronic devices with corresponding functions, and the cost of its casing is also lower than the latter.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (8)

1. A portable electronic device with multiple audio-visual functions, characterized in that it comprises: A television module, comprising: A hybrid TV tuning unit, used to receive an external digital TV signal or an external analog TV signal, and output a digital video/audio signal or an analog video signal and an analog audio signal according to the external digital TV signal or external analog TV signal, Wherein, the external digital TV signal and the external analog TV signal both include a video signal and an audio signal; A digital demodulation unit for receiving the digital video/audio signal and outputting a demodulated digital video/audio signal according to the digital video/audio signal; An analog decoding unit, used to receive the analog video signal and analog audio signal, and output a decoded digital video and audio signal according to the analog video signal and analog audio signal; A broadcast module, used to receive a broadcast signal and output a broadcast signal to be processed; A hybrid processing module having: a digital counterpart interface for receiving the demodulated digital video/audio signal; an analog corresponding interface for receiving the decoded digital video and audio signals; A broadcast interface, used to receive the broadcast signal to be processed; a universal serial bus interface, Wherein, the mixed processing module outputs a computer interface signal to an external computer through the universal serial bus interface according to the demodulated digital video/audio signal, the decoded digital video and audio signal and the broadcast signal to be processed, so as to The external computer is used to play a first content corresponding to the computer interface signal. 2 . The portable electronic device with multiple video and audio functions as claimed in claim 1 , wherein the external computer further comprises a playback program for the user to execute to play the first content. 3 . 3. The portable electronic device with multiple audio-visual functions according to claim 1, further comprising a storage module, and the mixed processing module further comprises a storage interface, and the storage module communicates with the mixed processing module through the storage interface communication, wherein the external computer stores the first content corresponding to the computer interface signal into the storage module through the storage interface and a data/address bus, or the external computer transfers from the storage module through the storage interface and a data/address bus The storage module extracts a second content and plays the second content. 4. The portable electronic device with multiple video and audio functions as claimed in claim 3, wherein the external computer further includes a playback program, and the user plays the second content by executing the playback program. 5. The portable electronic device with multiple audio-visual functions as claimed in claim 3, wherein the storage module is one of the group consisting of a small portable hard disk and a flash memory. 6. The portable electronic device with multiple audio-visual functions as claimed in claim 5, wherein the flash memory is integrated with the portable electronic device with multiple audio-visual functions, and the small portable hard disk can be combined with the portable electronic device with multiple audio-visual functions. The portable electronic device is integrally formed or detachable therefrom. 7. The portable electronic device with multiple video and audio functions as claimed in claim 1, wherein the external digital TV signal and the external analog TV signal can be one of a wireless TV signal and a cable TV signal, and the broadcast signal is One of FM signal and AM signal. 8. The portable electronic device with multiple audio-visual functions as claimed in claim 1, wherein the external computer also includes an application software required for operating the portable electronic device with multiple audio-visual functions, and the user can Operate the portable electronic device with multi-audio function.

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