CN205283555U - FM and CDR receiving terminal with external memory interface - Google Patents
FM and CDR receiving terminal with external memory interface Download PDFInfo
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- CN205283555U CN205283555U CN201521080224.4U CN201521080224U CN205283555U CN 205283555 U CN205283555 U CN 205283555U CN 201521080224 U CN201521080224 U CN 201521080224U CN 205283555 U CN205283555 U CN 205283555U
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Abstract
The utility model provides a FM and CDR receiving terminal with external memory interface, wherein, antenna connection to harmonious module for select to receive FM or CDR signal and transfer harmonious module with it, harmonious module is used for carrying on harmoniously and transfering demodulation module with it FM or CDR signal, demodulation module is connected to the drive module that decodes for carry out the demodulation and pass to the drive module that decodes with it FM after harmonious or CDR signal, external memory interface connection is to the drive module that decodes for external external memory, the drive module that decodes is connected with the display module for to the output of decoding of the FM after the demodulation or CDR signal, and read the file and decode output from external memory through the external memory interface. The utility model discloses a receiving terminal possesses FM and CDR's receipt function simultaneously to one or more outside storage card interfaces that have integrateed can satisfy user broadcast multimedia files's from the external memory demand.
Description
Technical field
This utility model relates to communication broadcasting system, particularly relates to a kind of FM and CDR with external memory interface and receives terminal.
Background technology
" " 12 " radio, film and television science and technology development planning " clearly proposes to advance the digitized of China's sound radio, set up applicable China's national situation, there is the digital audio broadcasting system of independent intellectual property right, research and development and the test of Chinese Digital audio droadcasting system CDR is expanded for this, and take the lead in bearing fruit in frequency modulation frequency range, Beijing, Guangdong sequentially activated CDR digital audio broadcasting demonstration network build and run.
2013, the channel of CDR and the industry standard of two parts of multiplexing are issued in succession, deployment according to authorities, China will start the construction of nationwide CDR digital audio broadcasting net, taking " three-step-march " strategy, plan realized CDR digital audio broadcasting and covers the target in the above city of region, the whole nation by 2016.
Chinese Digital audio broadcasting (ChinaDigitalRadio, CDR) is the digital audio broadcast standard that China is own, and frequency modulation (FM) is Audio Broadcasting standard all highly developed both at home and abroad. Both standards are all receive radio signal by antenna, and CDR broadcast adopts the frequency range identical with FM, these two functions are integrated into one and receive in terminal, it is possible to meet user in different occasion, the different demands of time.
The content of CDR digital audio broadcasting is except the traditional F M audio frequency broadcasted, picture, video, word etc. can also be included, even if owing to the factors such as policy restriction can not carry out video broadcasting in real time, but but can carry out content propelling movement, after possessing the terminal reception of decoding, display function, it is possible to achieve local broadcasting. Such CDR operator just can provide value-added service by this form.
At present, the reception terminal with CDR receive capabilities can only listen to CDR digital audio broadcasting, and cannot realize such as carrying out other user's requests of media play etc from this locality.
Utility model content
The purpose of this utility model is to provide a kind of reception terminal with external memory interface that can overcome drawbacks described above.
This utility model provides a kind of FM and CDR with external memory interface and receives terminal, module, display module and external memory interface is driven including antenna, tuner module, demodulation module, decoding, wherein: described antenna is connected to described tuner module, for selecting receive FM or CDR signal and FM or the CDR signal received is transferred to described tuner module; Described tuner module is connected to described demodulation module, for described FM or CDR signal is tuned, then FM or the CDR signal after tuning is transferred to described demodulation module; Described demodulation module is also connected to described decoding driving module, for FM or the CDR signal after tuning is demodulated, and FM or the CDR signal after demodulation is transferred to described decoding driving module; Described external memory interface drives module to be connected with described decoding, for external memorizer; Described decoding drives module to be connected with described display module, for output after FM or the CDR signal after demodulation is decoded, exports after being additionally operable to be read file from external memorizer by described external memory interface and be decoded.
Preferably, wherein, it is one or more that described external memory interface includes in USB interface, TF card interface and SD card interface, one or more in external USB flash disk, TF card and SD card.
Preferably, described terminal also includes: display module, and it drives module to be connected with described decoding, for the file in decoded FM or CDR signal or decoded external memory storage is shown to user.
Preferably, described display module is touch screen input/output module, for receiving the touch input of user, in order to terminal selects to receive FM or CDR signal.
Preferably, described terminal also includes: audio-frequency module, and it drives module to be connected with described decoding, for exporting decoded FM or CDR signal to user. .
Preferably, described audio-frequency module is audio frequency input/output module, for receiving the phonetic entry of user, in order to terminal selects to receive FM or CDR signal.
Preferably, described terminal also includes: memory module, and it drives module to be connected with described decoding, for storing intermediate data in FM or CDR signal decoding process and decoded FM or CDR signal.
Preferably, described memory module is NorFlash, TF card, one of NandFlash, DDR2.
Preferably, described memory module is additionally operable to the intermediate data in the file data decoding process in storage external memorizer and decoded file data.
Preferably, described terminal also includes: also include remote control module and infrared receiver module, wherein: described remote control module is by infrared alignment terminal transmission coding signal; Described infrared receiving module receives described coding signal, and this coding signal is used for selecting to receive FM or CDR signal for terminal after demodulating and decoding.
CDR of the present utility model receives terminal and is provided simultaneously with the receive capabilities of FM and CDR, and is integrated with one or more external memory card interfaces, it is possible to meets user and plays the demand of multimedia file from external memory storage.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the terminal possessing FM and CDR receive capabilities according to this utility model embodiment;
Fig. 2 is the flow chart of the method that realizes of FM and CDR receive capabilities in Fig. 1.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the functional block diagram of the terminal possessing FM and CDR receive capabilities according to this utility model embodiment.
As it is shown in figure 1, this terminal includes antenna, tuner module, demodulation module, memory module, decoding driving module, display module, audio-frequency module, external memory interface.
First, simply introduce the functional module relevant to CDR receive capabilities and realize flow process.
Antenna is connected to tuner module, for receiving the wireless signal of FM or CDR and by the transmission of wireless signals that receives to tuner module. Tuner module is also connected to demodulation module, is tuned for the wireless signal received by antenna, then by the transmission of wireless signals after tuning to demodulation module. Demodulation module is also connected to decoding driving module, for the broadcast singal after tuning is demodulated, and the signal after demodulation is transferred to decoding driving module.
Decoding drives module to be connected with memory module, display module and audio-frequency module respectively, drive for the signal after demodulation is decoded and display module is displayed screen, then decoded audio signal is listened to for user by audio-frequency module output, or decoded video signal is shown on display module.
Memory module is built in terminal, it can adopt various form, include but not limited to NorFlash, TF card, NandFlash, DDR2, it drives module to be connected with decoding, after being used for storing demodulation, and the related data of the FM/CDR needed for decoder, these data can be such as audio-frequency multiplex layer data, decoding layer frame compression data, decoding intermediate data, PCM data/video/audio etc. after decoding.
It should be pointed out that, that this terminal can also include remote control module and infrared receiver module, wherein: described remote control module is by infrared alignment terminal transmission coding signal; Described infrared receiving module receives described coding signal, and this coding signal is used for selecting to receive FM or CDR signal for terminal after demodulating and decoding.
It follows that as shown in fig. 1, also include external memory interface according to the terminal of the present invention, for external external memory storage. Described external memory interface includes but not limited to: USB interface, TF card interface and SD card interface, and they drive module to be connected with decoding, are respectively used to external USB flash disk, TF card and SD card. USB flash disk, TF card and SD card as the external storage equipment of this terminal, wherein can store the file of such as audio file, video file, picture file, word or file file etc. When inserting described USB interface or TF card interface when USB flash disk, TF card or SD card, decoding drives module read file from USB flash disk or TF card and be decoded, and decoded file data is exported by display module or audio-frequency module and watches to user or listen to. Should be appreciated that the terminal according to the present invention can one or more in integrated USB interface, TF card interface and SD card interface.
Preferably, described memory module is additionally operable to the intermediate data in the file data decoding process in storage external memory storage and decoded file data. Such as, decoded file can also select to be stored in the memory module of terminal built-in according to user, in order to user also can watch or listen to when not having external storage.
Fig. 2 is the flow chart of the method that realizes of FM and CDR receive capabilities in Fig. 1.
In step 201, receive FM or CDR signal by antenna.
In step 202, by tuner module, FM or the CDR signal received is tuned.
In step 203, by demodulation module, FM or the CDR signal after tuning is demodulated.
In step 204, drive module that FM or the CDR signal after demodulation is decoded by decoding. Decoding drives module can read required data from memorizer to help decoding and display screen to drive, intermediate data in decoding process and decoding terminate after data can also store in memorizer. These above-mentioned data such as have audio-frequency multiplex layer data, decoding layer frame compression data, decoding intermediate data, PCM data etc. after decoding.
In step 205, decoded FM or CDR signal is shown to user. For example, it is possible to video or audio signal are presented to user by decoded FM/CDR signal by display screen or loudspeaker.
User can switch in several ways between reception FM and CDR signal both functions. Such as, described display module can be common LCD display, LED display, CRT display screen or touch screen. When display module is touch screen/touch screen input/output module, user can be inputted by touch screen input/output module. When audio-frequency module is audio frequency input/output module, user can be controlled by phonetic entry. User can also be selected by the button (not shown) in terminal, it might even be possible to selects function by remote control module. Such as, this terminal also includes infrared receiver module, and remote controller/remote controller module can by the key information of coding by infrared alignment terminal transmission, and infrared receiving module receives infrared signal, and decoding demodulation carried out above-mentioned selection later and controls. Should be appreciated that and to realize this function, infrared receiving module should drive one of two demodulators in module and an extra demodulation module or Fig. 1 to be connected with described decoding.
Terminal of the present utility model may be realized in various forms, and can be such as the portable terminal can carried with by user or dress, it is also possible to be car-mounted terminal etc. Terminal of the present utility model is by being integrated into two functions on a station terminal, and is integrated with external memory interface, it is possible to meet user in different occasion, the different demands of time.
Professional should further appreciate that, the unit of each example described in conjunction with the embodiments described herein and algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, generally describe composition and the step of each example in the above description according to function. These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme. Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that exceed scope of the present utility model.
The method described in conjunction with the embodiments described herein or the step of algorithm can use the software module that hardware, processor perform, or the combination of the two is implemented. Software module can be placed in any other form of storage medium known in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described detailed description of the invention, has further described the purpose of this utility model, technical scheme and beneficial effect. It is it should be understood that; the foregoing is only detailed description of the invention of the present utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle; any amendment of being made, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. FM and the CDR with external memory interface receives a terminal, drives module and external memory interface including antenna, tuner module, demodulation module, decoding, it is characterised in that wherein:
Described antenna is connected to described tuner module, for selecting receive FM or CDR signal and FM or the CDR signal received is transferred to described tuner module;
Described tuner module is connected to described demodulation module, for described FM or CDR signal is tuned, then FM or the CDR signal after tuning is transferred to described demodulation module;
Described demodulation module is also connected to described decoding driving module, for FM or the CDR signal after tuning is demodulated, and FM or the CDR signal after demodulation is transferred to described decoding driving module;
Described external memory interface drives module to be connected with described decoding, for external external memory storage;
Described decoding drives module to be connected with described display module, for output after FM or the CDR signal after demodulation is decoded, exports after being additionally operable to be read file from external memory storage by described external memory interface and be decoded.
2. FM and the CDR with external memory interface according to claim 1 receives terminal, it is characterized in that, wherein, it is one or more that described external memory interface includes in USB interface, TF card interface and SD card interface, one or more in external USB flash disk, TF card and SD card.
3. FM and the CDR with external memory interface according to claim 1 receives terminal, it is characterised in that also include:
Display module, it drives module to be connected with described decoding, for the file in decoded FM or CDR signal or decoded external memory storage is shown to user.
4. FM and the CDR with external memory interface according to claim 3 receives terminal, it is characterised in that wherein, described display module is touch screen input/output module, for receiving the touch input of user, in order to terminal selects to receive FM or CDR signal.
5. FM and the CDR with external memory interface according to claim 1 receives terminal, it is characterised in that also include:
Audio-frequency module, it drives module to be connected with described decoding, for exporting decoded FM or CDR signal to user.
6. FM and the CDR with external memory interface according to claim 5 receives terminal, it is characterised in that wherein, described audio-frequency module is audio frequency input/output module, for receiving the phonetic entry of user, in order to terminal selects to receive FM or CDR signal.
7. FM and the CDR with external memory interface according to claim 1 receives terminal, it is characterised in that also include:
Memory module, it drives module to be connected with described decoding, for storing intermediate data in FM or CDR signal decoding process and decoded FM or CDR signal.
8. FM and the CDR with external memory interface according to claim 7 receives terminal, it is characterised in that wherein, described memory module is NorFlash, TF card, one of NandFlash, DDR2.
9. FM and the CDR with external memory interface according to claim 7 receives terminal, it is characterised in that wherein, and described memory module is additionally operable to the intermediate data in the file data decoding process in storage external memory storage and decoded file data.
10. FM and the CDR with external memory interface according to claim 1 receives terminal, it is characterised in that also include remote control module and infrared receiver module, wherein:
Described remote control module is by infrared alignment terminal transmission coding signal;
Described infrared receiving module receives described coding signal, and this coding signal is used for selecting to receive FM or CDR signal for terminal after demodulating and decoding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080224.4U CN205283555U (en) | 2015-12-22 | 2015-12-22 | FM and CDR receiving terminal with external memory interface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080224.4U CN205283555U (en) | 2015-12-22 | 2015-12-22 | FM and CDR receiving terminal with external memory interface |
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| CN205283555U true CN205283555U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521080224.4U Active CN205283555U (en) | 2015-12-22 | 2015-12-22 | FM and CDR receiving terminal with external memory interface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915306A (en) * | 2016-06-14 | 2016-08-31 | 北京海尔集成电路设计有限公司 | China digital radio CDR receiving terminal and realization method of the receiving terminal |
| CN107070470A (en) * | 2017-03-03 | 2017-08-18 | 北京海尔集成电路设计有限公司 | A kind of CDR data output circuits and data output method |
| CN107580189A (en) * | 2017-09-04 | 2018-01-12 | 成都德芯数字科技股份有限公司 | Information carrying means, system and information transferring method |
| CN107645350A (en) * | 2017-09-15 | 2018-01-30 | 成都德芯数字科技股份有限公司 | Audio frequency broadcast system and method |
-
2015
- 2015-12-22 CN CN201521080224.4U patent/CN205283555U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915306A (en) * | 2016-06-14 | 2016-08-31 | 北京海尔集成电路设计有限公司 | China digital radio CDR receiving terminal and realization method of the receiving terminal |
| CN107070470A (en) * | 2017-03-03 | 2017-08-18 | 北京海尔集成电路设计有限公司 | A kind of CDR data output circuits and data output method |
| CN107580189A (en) * | 2017-09-04 | 2018-01-12 | 成都德芯数字科技股份有限公司 | Information carrying means, system and information transferring method |
| CN107645350A (en) * | 2017-09-15 | 2018-01-30 | 成都德芯数字科技股份有限公司 | Audio frequency broadcast system and method |
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