TWI258269B - Digital broadcast receiving and playing device - Google Patents

Abstract

The present invention relates to a digital broadcast receiving and playing device, which comprises a receiver having a digital audio broadcasting (DAB) signal receiving function and a player having an audio signal processing and playing function, such that the receiver having the DAB signal receiving function can be selectively placed in a position to have a better receiving quality and the received signal can be wirelessly transmitted to the player for being processed and played.

Description

1258269 V. INSTRUCTIONS (1) (1) [Invention belongs to + 4+ ^ The invention has a domain] for receiving digitized two; the unit broadcast receiving and playing device 'is especially converted to class II by correction;:: ; 'The digital audio data can be given to the device - the device that plays after the material is played. (2) [Prior Art] With the information of the past and the η# from the past, the information available to the public can also be obtained through the value of the Internet = media, radio, television Progress has now reached the limit of peak sounds and image transmission across national borders' will be timely, the other side of cj Earth. In the past, the way people came to _ Bu 5 ΐ # ΐ 声音 声音 , , , , , , , 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会 社会The images and sounds played by the screens and loudspeakers 'Lu Bo = t Τ The public has a greater visual impact, thus making = broadcast (4) a secondary medium, and the population using the broadcast is therefore copper I drop and lose. However, due to the analogy of broadcast technology (such as 1^2 Tian and Μβ frequency), the sound quality is low, susceptible to interference, fast moving, unfavorable for receiving quality, and will affect the broadcast quality due to the transmission power. , and the shortcomings of the service that cannot provide information on the carrier, which caused it to encounter bottlenecks in operation, but today, due to advances in digital technology, digital audio broadcasting (DAB) is available. Solved the above shortcomings, the main *WARC conference of digital audio broadcasting was set in ^92, including VHF frequency band: 17〇24〇MHz or 1 band·U52-1 492 MHz, the main advantage of digital audio broadcasting Depending on

1258269

V. Description of invention (2) The sound quality can be shadowed and moved very high and its transmitter is 99% effective for the environment. It is enough to provide high quality, two-channel, multi-channel stereo broadcasting as the quality of CD recording. In general, and in the multi- & and still environment, its receiving quality is excellent anti-interference and error correction, and has a very high power and only one-tenth of the F Μ transmitter The impact is less than one percent, and the coverage is even more than 95 percent. Time is available and additional information can be sent. Please refer to Figure 1 for a block diagram of the conventional digital broadcast receiving and playback device. As shown in the figure, the current digital audio broadcasting must receive signals and play and listen through the receiving device. The receiving device mainly includes a receiving module 10, a microprocessor 20', and a display module 5 0. , a control module 40 , and a digital / analog converter 3 〇,. The receiving module 1 〇 has an antenna 1 1 for receiving digital audio program and service information signals, and a Mixer 1 2 ' for reducing the received signal to an intermediate frequency (IF), and digitizing the signal Analog/digital converter (A/D converter) 1 4' and a demodulator demodulator of the digital signal (demodulator) 1.6; microprocessor 2 0, the demodulated digital The signal is decompressed and restored, and the digital audio signal of the pure audio and the information about the content of the program are separated and transmitted to the digital/analog converter 3 0 ', and the digital signal is converted into an analog sound signal through the earphone. Or the speaker and other speakers 3 2 'players. Although digital audio broadcasting has better audio playback quality than analog broadcasting, and excellent audio reception quality, the receiving device of the existing digital audio broadcasting still uses the receiving module 1 for manipulation.

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::H f change group 4 〇 'and display module 50, and for broadcaster", combined with use on a single body, so when using "in use, if you move to a region where the signal reception is poor or The room will still affect the acceptance of digital audio broadcast signals, and there will still be cases where the quality of the video is poor. (3) [Invention content] 1 2 The main purpose of Ming Ming is to provide a digital broadcast reception and broadcast ^ I _ 2 mainly to enable the receiving of digital audio signal receiving function, \ m is designed to make the signal When receiving, you can choose to receive the signal at the preferred receiving position to improve the quality of the receiving. Another purpose of the present invention is to provide a digital broadcast receiving and playback device that allows the user to carry the player with his or her free movement: and because the signal is received in a bad position i, the situation cannot be heard. In order to achieve the above object, the present invention mainly provides a receiver having a digital audio signal receiving function and a broadcaster having an audio signal processing and playing function, so that a receiver having a digital audio signal receiving function can be used. The device is placed at a preferred receiving location, and the received signal is transmitted to the player for processing and playing by wireless transmission. (4) [Embodiment] In order to further understand the structure, features and objects of the present invention, the detailed description of the drawings and preferred embodiments is as follows.

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Please refer to FIG. 2, which is a block diagram of a system architecture for the digital broadcast reception and playback of the present invention. The digital broadcast receiving and playing I device of the present invention mainly comprises a receiver 1 and a player 2 separated from each other, wherein the receiver 1 comprises a receiving module 2, a microprocessor 14 and a wireless mode. The group 1 6 'receiving module 1 2 is provided with an antenna 1 2 2, and receives an analog radio frequency signal mainly by the antenna 1 2 2 (VHF band: 1 70-240 MHz or L band: 1 452-1 492 MHz) And switching the antenna frequency band and locking the receiving frequency, and down-converting the received signal to the intermediate frequency (IF) signal, converting it into a digital signal, and demodulating the digital signal for the microprocessor 1 4 Processing; the microprocessor 4 processes the digital signal transmitted by the receiving module 12, decompresses and restores the demodulated digital signal, and digitizes the pure audio signal and related program content information. After the data is separated, it is output to the wireless communication core group 16; the wireless communication module 16 is provided with an antenna 1 6 2, and the signal outputted by the microprocessor 14 can be transmitted and transmitted via the antenna 1 6 2 by wireless communication. To player 2, or by Shang antenna 62 receives the control signal from player 2 emitted out. The /Hai receiver 2 mainly includes a wireless communication module 2, a digital ratio converter 2 4, a control module 26, a display module 2 8 and a speaker 2 9 , the wireless communication module 2 2, an antenna f 2 2 ' can be received to receive the wireless communication signal from the receiver 1 and output to the digital / analog converter 2 4 for processing; the control module 26 is electrically connected to the wireless communication module 2 2, used for digital broadcast

1258269 V. Description of the invention (5) ^ and control of the setting of the functional characteristics of the playback device, the control of the received program and the service function, so that the control module 26 can transmit the control signal to the control via the antenna 2 2 2 via the wireless transmission mode. The receiver 数·digit/analog converter 2 4 converts the digital signal received by the wireless communication module 22 into an analog sound signal to pass through the earphone or the horn. Eight-level speaker for playback. σ • The microprocessor 14 of the present invention can also be replaced by a digital signal processor (DSP). In addition to the arithmetic processing function, the audio signal can be decompressed and processed. The original signal processor can be retracted, and the digital signal processor can be either a hardware form or a software form. , Chara f: The invention of the wireless communication module (16, 2 2) is electrically connected to the microprocessor i 4 and the digital / analog converter 2 4, the non-composed group (16, 2 2) In the present invention, a Bluetooth communication module, a CMuetc^th), a wireless communication system conforming to the IEEE8〇2Ub/g/a communication protocol, or a wireless communication module or radio with a communication protocol can be used. (jad^o Frequency) module or other suitable wireless communication means that the wireless communication signal between the X kt, the receiver 1 and the player 2 is transmitted and received. The control module 26 of the present invention further has the processing result of receiving the function operation from the access to the display to display the supply; the second embodiment of the present invention is provided with a display module 28 Connected to the control to provide a graphic and text showing the status of the manipulation and playback operation of the digital broadcast receiving and playing device, or the information content of the program.

Page 9 1258269 V. Description of the Invention (6) As can be seen from the above description, the main technical feature of the present invention is that the digital broadcast signal used by the receiver for receiving the digital broadcast signal by the digital broadcast receiving and playing device is used for processing Play and play ί f : t The original body design, and through the no-wire communication method to mention # 讯 播 J:) 2 signal transmission between the two, it can be in the wireless pass = to the receiver! Placed in any easy to receive::: broadcast U i by the player 2 to listen to the digit =: Good "location reception = machine to: to choose to be placed in the player can be carried with the player" Moreover, because the player = listening situation; therefore, the appearance of the player 2 can be reduced. The setting of the sub-functions is described in the above description of the present invention: the portability of the product. The shape, structure, and patent application of the present invention should be included in the present invention = equal change and repair 1258269 Brief description of the figure (5) [Simple description of the figure] Figure 1 is a digital broadcast reception And a circuit block diagram of the playback device. Figure 2 is a block diagram showing the system architecture of a preferred embodiment of the digital broadcast receiving and playing apparatus of the present invention.

[Description of main component symbols] 1 0, receiving device 1 1, antenna 1 2, mixer 1 4, analog/digital converter 1, 6, modem 2 0, microprocessor 3 0, digital/analog converter 3 2 , speaker 40, control module 50, display module 1 receiver 1 2 receiving module 1 2 2 antenna 1 4 microprocessor 1 6 wireless communication module 1 6 2 antenna 2 player

•1258269

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Claims (1)

1258269 VI. Scope of Application for Patent Application [Scope of Application] 1. A digital broadcast receiving and playing device comprising a receiver and a player for receiving digital broadcast signals and transmitting signals by wireless communication Transmitted to the player receiver; the player can receive the signal from the receiver by wireless communication, and process and play the player. 2. The digital broadcast receiving and playing device as claimed in claim 1, wherein the read receiver comprises a receiving module, a microprocessor and a wireless communication module, and the receiving module is configured to receive a digital broadcast. The RF signal is converted into a digital signal and then transmitted to the microprocessor for processing. The microprocessor decompresses the digital signal and restores it to the wireless communication module; the wireless communication module The group transmits the signal outputted by the microprocessor to the player by wireless communication, and the digital broadcast receiving and playing device as described in claim 2, wherein the microprocessor is a digital signal processor (Digital Signal Processor, DSP). [4] The digital broadcast receiving and playing device described in claim 2, wherein the wireless communication module is a Bluetooth module and an IEEE8〇2nb/g/a communication protocol. A wireless communication module, a wireless communication module conforming to the 1:£:£:8〇2.16 protocol, or a radio frequency module, and the like. 5. Digital broadcast receiving and broadcasting equipment as described in the scope of patent application Page 13 • 1258269:, application enclosure—~^ ---------, wherein the player includes a wireless communication module, a digital/analog converter, and a control module; wherein the wireless communication The module can receive the wireless communication signal transmitted from the receiver and output to the digital/analog converter for processing; the control module is electrically connected to the no-communication module for the digital broadcast receiving and playing device. The setting of the feature, the control of the received program and the service function selection = control 'transmits the control signal to the receiver for receiving via the wireless transmission mode, and the digital/analog converter converts the digital signal received by the wireless communication module After analogy to the sound signal, the player is played through a speaker. 6. The digital broadcast receiving and playing device as claimed in claim 5, wherein the wireless communication module is a Bluetooth module and an IEEE8〇2.lib/g/a communication protocol. Any of the foregoing, such as a wireless communication module, a wireless communication module of a 16 communication protocol, or a radio frequency (Racji〇Frequency) module. 7. The digital broadcast receiving and playing device as described in claim 5, wherein the player is provided with a display module and is electrically connected to the control module to provide operation and control for displaying the digital broadcast receiving and playing device. And playback status chart * and text. 8. A receiving device for receiving a digital broadcast signal, wherein the receiving device is configured to receive a digital broadcast signal and transmit the signal to other electronic devices for broadcast by wireless communication; the receiving device includes a receiving module, a microprocessor and a wireless communication module, the connection Page 14 1258269 VI. The patent application scope module is used to receive the analog radio frequency signal of digital broadcasting, which is converted into a digital signal by down-conversion and transmitted to the microprocessor for processing; the microprocessor decompresses the digital signal. And after being restored, outputting to the wireless communication module; the wireless communication module transmits the signal output by the microprocessor to the outsider by wireless communication. 9. A receiving device for providing a digital broadcast signal as described in claim 8 wherein the microprocessor is a Digital Signal Processor (DSP). 100. The receiving device for receiving a digital broadcast Lu signal according to item 8 of the patent application scope, wherein the wireless communication module is a Bluetooth module, a conforming; [EEE8 02ellb/g/ a communication wireless communication module, a wireless communication module or a radio frequency (Radi〇Frequency) module that meets the requirements of a wireless network. ', a kind of broadcast from a receiving shot includes a wireless module; wherein the unprocessed one is processed; the program is received and transmitted in a digital manner, the machine receives the number, and the communication mode communicates with the wireless line The control broadcast broadcast service control video player can be digitally broadcasted to carry out the group communication module signal, and the module can receive and transmit the selected number to receive the nickname via wireless communication and then send it by wireless communication. Processing and player; the player/analog converter and a control can receive the digital/analog converter transmitted from the receiver and connect to the wireless communication module, and control and control by using the function characteristics of the device. The helmet line receives the receiver, the number is 1258269. 6. The patent application scope analog conversion system converts the digital signal received by the wireless communication module into an analog sound signal, and then performs through the earphone or the squeaky speaker. Player. 1 2. The player as claimed in claim 11, wherein the wireless communication module is a Bluetooth module (9), and the seven (10) seven...~one conforms to the 802. 1 lb/g/a communication protocol. The wireless communication module, a wireless communication module conforming to the IEEE802.16 communication protocol, or a radio frequency (Radio Frequency) board group, and the like. 1 . The player according to claim 1 , wherein a display module is electrically connected to the control module, thereby providing a display and a play status icon and text for displaying the digital broadcast receiving and playing device. By. Page 16