TW578095B - The wireless broadcast device - Google Patents

Abstract

A wireless broadcast device, it comprises the commutation module, the central processing module and the digital/analogy switcher. The wireless broadcast device is used to read the digital music's multimedia data which are stored in the computer. And broadcasts the digital music by our family's Hi-Fi device after the wireless broadcast device received and processed.

Description

578095

The invention relates to a technology, and more particularly, to a wireless device. The previous technical balance is now tunneling the increasing popularity of personal computers and the vigorous development of the Internet. More and more people like to download digital music in various formats from the Internet, such as MP3 (MPEG Layer3, the third version of the speech coding standard) format, μιμ (MuSlcal instrument Digital Interface) format, WAV format, WMA format, etc., and play it on a computer. Its: WAV—and WMA are audio formats of Windows software.邛 ίίΐΪ'There are many homes that often have high-fidelity (Hi-Fi) devices, such as high-efficiency amplifiers and amplifiers, but because of space and wiring, computers cannot be easily connected to these high-fidelities. Prepare ten, so produced high-quality digital music is mostly played through headphones / ordinary speakers, and high-definition equipment often plays music in analog format. Although some people have proposed digital high transmission points today, most of them still need to use digital high-definition equipment ±, configure, store, and download from the Internet. On the one hand, the cost of the equipment is high, and various digital music formats are not easy to download Management, in order to solve these problems, how to create a simple, practical and economical device, connecting home high-fax equipment to play the digital tones stored in a personal computer is a problem that needs to be solved now. 9 Content In view of this, the present invention provides a wireless playback device,

578095 V. Description of the invention (2)… line transmission mode 5 to take multimedia data from the host computer, after processing, it will be played by home high-fax equipment. The invention provides a wireless playback device. The wireless playback device includes a communication module, a central processing module, and a digital / analog converter. The above communication module receives high-frequency signals containing multimedia data and outputs multimedia data. The above-mentioned central processing module is coupled to the communication module, and outputs the decoded multimedia data. The above-mentioned digital / analog converter 2 is connected to the central processing module, and converts the decoded multimedia data into analog materials and outputs them. Among them, the digital / analog converter is an encoder / decoder. According to a preferred embodiment of the present invention, the aforementioned communication module includes a radio frequency transceiver, a frequency converter and a network controller. Among them, the above-mentioned radio frequency transceiver is used to receive high-frequency signals containing multimedia data. The aforementioned rate converter is coupled to a radio frequency transceiver, and converts a high frequency signal into a base frequency signal and outputs the signal. The above network controller is connected to the frequency converter and is responsible for confirming whether the received multimedia data is correct. According to the preferred embodiment of the present invention, the above-mentioned central processing module includes: a processor, non-volatile memory, and readable and writable memory. The processor is coupled to the network controller and is responsible for receiving multimedia data and decoding programs to decompress the multimedia data and output it. When the above non-volatile memory is coupled to the non-multimedia data at the central location, a central processing unit is required to connect to the central processing n code program. The above-mentioned readable and writable memory is coupled with a preferred bismuth, m, and m panel according to the present invention, and the control panel includes a plurality of control keys and a light-emitting diode on the control panel. In addition,

Page 6 578095 V. Description of the invention (3) " ---------- The wireless playback device can also be equipped with an infrared transmission wheel port, and the external remote control is controlled by the remote end. The user reads the multimedia data in the computer host with the action of this wireless playback device as the wireless playback dream mode. ^ 1 ..., the line is transmitted to the high-frequency signal containing the multimedia data, and it is turned '. The receiver receives the high-frequency signal from the RF transceiver 2 = 丄, and outputs the baseband signal. Next, after the network 丄 = = media, then confirm whether the multimedia data is what we have +

:. : If we need the data, we will input it according to the multimedia data to the non-volatile memory: Chinese to find i Second: ϊ γ code After decoding or decompressing this multimedia data, it will output 1 to a digital / analog converter . The digital / analog converter converts the multimedia data after the decompression into analogue Ershan,. ,,, 〆 :: and then plays it out through the stereo speakers. Data, so we can use the music in the digital format of :: at home. In order to make the above and other purposes of the present invention obvious and understandable in the computer host, the following fax is given below. A better sinus #trait and advantages are described in more detail below: & The drawing is for detailed implementation. ^ Please refer to FIG. 1, which shows a wireless broadcast device according to a preferred embodiment of the Zhaoshiyin Da wireless transmission device 11G, which is a first-line playback device 11 G transmitted by M 1 ° In 帛 1 ®, no ...

578095 V. Description of the invention (4) The media materials are converted into analog materials by the wireless playback device and then played out by the speaker group 1> 20. Among them, the speaker group 120 is a home audio device, including a facsimile audio amplifier 122 and a stereo speaker 124. After receiving the analog data from the wireless playback device 110, the speaker unit 120 amplifies the sound effect by the high-fidelity audio amplifier 1 22 and plays it through the stereo speakers 124. " Please continue to refer to FIG. 2, which shows a block diagram of an internal circuit of a wireless playback device according to a preferred embodiment of the present invention. The wireless playback device 110 includes: the communication module 200 is responsible for receiving high-frequency signals containing multimedia data and outputting the multimedia data; the central processing module 2 is coupled to the communication module 200 and decodes the received multimedia data Output; the digital / analog converter 220 is, for example, a codec / decoder, coupled to the central processing module 21, and after converting the decoded multimedia data into analog data, it is output to the speaker group 120 depicted in FIG. J. ; The control panel 23 is responsible for accepting the control of the user. The communication module 2000 of the wireless playback device 110 includes a radio frequency transceiver 202, a frequency converter 204, and a network controller 206. Among them, the radio frequency transceiver 202 receives a high-frequency signal containing multimedia data in a wireless transmission mode. It means that the frequency converter 204 is, for example, a fundamental frequency converter, which is coupled to a radio frequency receiver, β 202, and is used to convert a high frequency signal into a fundamental frequency signal and output the same. Then the 'network controller 206 is coupled to the frequency converter 204, and is responsible for confirming whether the received multimedia data is correct. The central processing module 21 of the wireless playback device 110 includes: a central processing unit 212, a non-volatile memory 214, and a readable and writable memory 216. Among them, the central processing unit 212 is coupled to the communication module 2. 〇 Controlled by the Internet page 8 10458twf.ptd V. Description of the invention (5) The controller 206 is output after receiving the contraction of the multimedia company. Secondly, the non-volatile memory code or solution 2 1 6 is coupled to the central processing unit 2 2, Z. Bei writes 圯 memory body ^ flash memory, stored in the center of the data and Γ; write s = 6: = Shicai ... processor ⑴ ‘two works… Li include I reduce the program and decode the program. Key control and light-emitting diode (not shown): push bismuth includes multiple stop control keys and jump control keys, but it is not limited to these keys, rewind key, please refer to Figure i and Figure 2, computer = It is a modem, broadband network or fiber-optic network to download all kinds of: multi-channel: physical equipment Γ brain and electricity: master, ° hard disk order. When the user wants to listen to the music, he uses the wireless playback device 110 to read the multimedia 1 stored in the computer host in the line transmission mode. /: " The RF transmitter 202 of the module 2000 receives and outputs the high-frequency signal containing multimedia data from the host computer 100. The frequency converter 204 receives this south-frequency signal and converts it to a basic signal. After the frequency signal is output to the network, the controller 206 'network controller 2G6 recognizes whether the multimedia data is the multimedia data required by the benefit line playback device 110. If it is determined to be a wireless playback device ... After setting no required multimedia data, it will be sent to the central processing unit 2lf. The central processing unit 2 1 2 finds the corresponding decoding program in the non-volatile memory 5 21 based on the received multimedia data, and after decompressing or decoding the multimedia data, sends the multimedia data processed by the decoding program. To digital / analog converter 220. Digital / analog converter 220 will decode or decode

IHI l〇458twf.ptd Page 9 578095 V. Description of the invention (6) The compressed multimedia data is converted into analog data for high-fidelity audio reading. The high-fidelity audio amplifier 122 will be used to play the sound. Analogy. Body Walk In a preferred embodiment of the present invention, the wireless transmission mode between the wireless playback device 10 and the host 100 may be a network of EEE (Bluetooth) technology. In the preferred embodiment, the format of the multimedia data is MP3 format, MIDI format, WAV format, and WMA format, but is not limited thereto. In a preferred embodiment of the present invention, the wireless playback device 11 can be transmitted by infrared rays. Port, allowing users to remotely control the wireless playback device 110 using an infrared remote control remotely. In the preferred embodiment of the present invention, the wireless playback device 丨 丨 0 can also be equipped with an optical disc drive device for Satisfy the messenger who likes to listen to laser music discs. 2 In a preferred embodiment of the present invention, the 'wireless playback device further includes a device or a color liquid crystal display, which is used as a user's graphic display interface. Comprehensive points: The wireless playback device of the present invention has the following superior wireless playback device of the invention * because the wireless transmission mode is adopted by the host to read multimedia Zhao data to high-fax and other audio-visual equipment for playback. Convenient, and the freedom and flexibility without complex wiring.

10458twf.ptd

Page 10 578095 V. Description of the invention (7) You ^ (2) The wireless playback device of the present invention, K P Tian-the module in low cable transmission # The reason is wireless transmission, reducing (3) Tailu RH Tiger Miscellaneous Signal interference and signal attenuation. As A, Tushan) wireless playback device, use a computer to play Xi Ma as the storage medium for the end, it is best to use the hard disk of the host. , ”, Buy shopping storage equipment, economical and real-life media, this book is a wireless playback device, which the computer Φ shake | Xi and so on to download.疋 Using modem, optical fiber network or broadband network ΙΕΕΕ8 0 2.) 1 1 :: Γ Putting device 'due to the wireless transmission mode (this is a ^ technical network, the speed can reach up to a second). There are many downloads The media player ’s wireless playback device is very easy to operate and manage because it uses a computer to manage the media data, so the operation and management is very simple. -Uninvented wireless playback device, fully # 用 娘 I3994 泰 = lays the foundation for the development of home digital media Basic charging, based on the use of: and 2 wireless digital video playback and computer remote management can be developed on the basis of a preferred embodiment to expose the above, but it is not used within the scope of God; r: f This artist is not to deviate from the scope of the present invention as the modification and retouching of S φ t, so the scope of the patent application attached to the warranty of the present invention shall prevail. 10458twf.ptd No. 11 Page 578095 Brief Description of the Drawings Figure 1 shows a block diagram of a wireless playback device connected to an external device according to a preferred embodiment of the present invention; and Figure 2 shows a wireless playback device according to a preferred embodiment of the present invention Internal circuit block diagram Description of the graphical symbols: 100 computer host 110 wireless playback device 120 speaker group 122 fax sound amplifier 124 stereo speaker 200 communication module 202 radio frequency transceiver 204 frequency converter 206 network controller 210 central processing module 212 central processor 214 Non-volatile memory 216 Read-write memory 220 Digital / analog converter 230 Control panel

10458twf.ptd Page 12

Claims (1)

578095 VI. Scope of patent application = Playback device, which reads an electric wireless playback device in a -wireless transmission mode includes: one place is played by a speaker group, and, and is used to receive the multimedia data- High-frequency signal and W multimedia data; A j processing module, coupled to the communication module, decodes the multimedia data and outputs it; A 乂 receives a digital / analog converter and connects to the The central processing module converts the decoded multimedia data into analog audio data. "King of the Mountain" Zyang 2. As for the wireless playback device described in item 1 of the scope of patent application, the i / D converter is an encoder / decoder. 3. The wireless broadcasting device according to item 1 of the scope of the patent application. The communication module includes: one of the radio frequency transceivers of the garment, which is used to receive the ancient signals containing the multimedia data; Coupled to the radio frequency transceiver for converting the high frequency signal into a baseband signal and outputting the signal; and A network controller is coupled to the frequency converter to confirm whether the received multimedia data is correct. 4. The wireless playback device according to item 3 of the scope of patent application, wherein the frequency converter is a baseband converter. 5 · The wireless playback device according to item 1 of the scope of patent application, wherein the central processing module includes ·· 10458twf.ptd Page 13 578095 VI. Patent application scope-a central data, and a non-volatile central processor-a readable central processor 6. If you apply for the decoding program 7. If you apply for the non-volatile 8. If you apply for Shenyuan Wireless Play The processor 1 requires the write-memory operation required to decode the hairpin, including the patent application, the patent memory, the patent device, and a control key and a light-emitting device. 9. If a patent is applied for, these control keys include: Key 0 'face to the The network controller receives the multi-program decoding output; the memory is coupled to the central processing unit to store the decoding program; and the body is coupled to the central processing unit to temporarily store data. The wireless playback device described in item 5, wherein the compression program and the decoding program. The wireless playback device as described in the item 5 of the scope, wherein the flash memory. A wireless playback device as described in item 1 of the scope, which includes a control panel including a polar indicator light. The wireless playback device described in item 8 of the scope, among which the fast forward button 'fast rewind button, stop button, and jump control 1 〇 The wireless playback device described in item 1 of the scope of patent application 5 multimedia data is digital music data. η • The wireless playback device described in item 1 of the patent application scope The wireless playback device further includes a stereo output jack. Where 1 2 · As described in item 1 of the scope of patent application. The wireless playback device further includes a music back end. As described in item 1 of the scope of the patent application, the wireless playback device further includes an infrared remote control wireless playback device, which is a central processing unit. 'A wireless playback device, which has an infrared transmission port. The wireless playback device described above is used to play laser music discs. The wireless playback device described above, wherein the display is used as the wireless playback device described above, wherein the display is used as the wireless playback device described above, among which the wireless playback device described by the Association 802.1B infrastructure, where road. The wireless playback device is described in the middle. The wireless playback device is described in which and the stereo speakers. ^ Sixth, the scope of patent application 14. If the scope of patent application 丨 the wireless playback device also includes on the optical disc drive 15. If the scope of patent is ^ + ..., the table display also includes monochrome graphics operation display interface.夜夜 日 日 16 · If you apply for a patent, the wireless playback device will be more ... 1. Graphic operation display of the LCD display of Gusui color LCD ^ value as the application scope of the patent No. 1 Institute 4 wireless transmission mode for the network . Electric base electronic engineering application model of this wireless transfer wheel: Qizhuan: 1 / ... 1 Institute, 8 is the earlier line of the line 偻 ^ The patent application scope of the first round of the model is Bluetooth technology network should be raised簦 \ If the scope of patent application is No. 1 and includes high-fidelity audio amplifier