CN205510239U - FM, CDR and DTMB receiving terminal with external memory interface - Google Patents
FM, CDR and DTMB receiving terminal with external memory interface Download PDFInfo
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- CN205510239U CN205510239U CN201521081585.0U CN201521081585U CN205510239U CN 205510239 U CN205510239 U CN 205510239U CN 201521081585 U CN201521081585 U CN 201521081585U CN 205510239 U CN205510239 U CN 205510239U
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Abstract
The utility model provides a terminal that possesses frequency modulation FM, chinese digital audio broadcasting CDR and chinese terrestrial television broadcasting DTMB's receipt function, including first antenna, second antenna, first harmonious module, the harmonious module of second, FMCDR demodulation module, DTMB demodulation module, storage module, the drive module that decodes, touch screen input output module and audio input output module. This terminal has two radio signal's receipt and demodulation passageway, has decoding units, memory cell, touch screen input output module and the audio input output module of sharing simultaneously, still has the one or more external memory interface. The utility model discloses a with three kinds of broadcast reception functions and external memory interface integration to the terminal, can select FMCDRDTMB's signal reception through the control of multiple mode to through external memory broadcast multimedia files, can satisfy the different demands of user in different occasions, time.
Description
Technical field
This utility model relates to communication broadcasting system, particularly relates to a kind of have external memory interface
FM, CDR and DTMB receive terminal.
Background technology
Chinese Digital audio broadcasting (China Digital Radio, CDR) is wide with digital TV ground
Broadcast transmission system (Digital Television Terrestrial Multimedia Broadcasting,
DTMB) being all the own standard of China, wherein, CDR is Chinese Digital Audio Broadcasting standard, and DTMB is
China's ground digital television broadcast standard, the audio frequency that frequency modulation (FM) is the most highly developed is wide
Broadcast standard.
These three standard is all to receive radio signal by antenna, and CDR broadcast uses identical with FM
These three functions are integrated into one and receive in terminal by frequency range, it is possible to meet user different occasions,
The different demands of time.
Additionally, 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 one that can overcome drawbacks described above and has external memory storage
FM, CDR and DTMB of interface receives terminal.
This utility model provide a kind of there is external memory interface possess modulating FM, Chinese Digital sound
Frequency broadcast CDR and the terminal of receive capabilities of China ground TV broadcast DTMB, including first antenna, the
Two antennas, the first tuner module, second tune module, FM/CDR demodulation module, DTMB demodulation module,
Decoding drives module, display module and external memory interface, wherein: described first antenna is connected to institute
State the first tuner module, for selecting the FM/CDR signal transmission receiving FM/CDR signal and receiving
To described first tuner module；Described first tuner module is connected to described FM/CDR demodulation module, is used for
Described FM/CDR signal is tuned, then the FM/CDR signal after tuning is transferred to described FM/CDR
Demodulation module；Described second antenna is connected to described second tune module, is used for selecting to receive DTMB signal
And the DTMB signal received is transferred to described second tune module；Described second tune module is connected to
Described DTMB demodulation module, is tuned, so for the DTMB signal receiving described second antenna
After will tuning after DTMB signal be transferred to described DTMB demodulation module；Described FM/CDR demodulation module and
Described DTMB demodulation module is also connected to described decoding and drives module, is respectively used to the FM/CDR after tuning
Signal or DTMB signal are demodulated, more respectively by the FM/CDR signal after demodulation or the transmission of DTMB signal
Module is driven to described decoding；Described external memory interface drives module to be connected with described decoding, uses
In external external memory storage；Described decoding drives module for entering the FM/CDR/DTMB signal after demodulation
Export after row decoding, be additionally operable to from external memory storage, read file also by described external memory interface
Export after being decoded.
Preferably, during described external memory interface includes USB interface, TF card interface and SD card interface
One or more, 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/CDR/DTMB signal or decoded external memory storage being shown to use
Family.
Preferably, described display module is touch screen input/output module, defeated for receiving the touch of user
Enter, in order to terminal selects to receive one of FM/CDR/DTMB signal.
Preferably, described terminal also includes: audio-frequency module, and it drives module to be connected with described decoding,
For decoded FM/CDR/DTMB signal is exported to user.
Preferably, described audio-frequency module is audio frequency input/output module, for receiving the phonetic entry of user,
So that terminal selects to receive one of FM/CDR/DTMB signal.
Preferably, described terminal also includes: memory module, and it drives module to be connected with described decoding,
Intermediate data during storing decoding and decoded FM/CDR/DTMB signal.
Preferably, described memory module is Nor Flash, TF card, Nand one of Flash, DDR2.
Preferably, during described memory module is additionally operable to the file data decoding storing in external memory storage
Intermediate data and decoded file data.
Preferably, described terminal also includes: remote control module and infrared receiver module, wherein: described distant
Control module encodes signal by infrared alignment terminal transmission；Described infrared receiving module receives described coding letter
Number, this coding signal is used for selecting to receive one of FM/CDR/DTMB 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, CDR and DTMB, and
And it is integrated with one or more external memory card interfaces, it is possible to meet user and play many from external memory storage
The demand of media file.
Accompanying drawing explanation
Fig. 1 be a kind of FM, the CDR with external memory interface according to this utility model embodiment and
DTMB receives the functional block diagram of terminal；
Fig. 2 is the flow chart of the implementation method of FM, CDR and DTMB 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 be a kind of FM, the CDR with external memory interface according to this utility model embodiment and
DTMB receives terminal.
As it is shown in figure 1, this terminal includes first antenna, the second antenna, the first tuner module, the second tune
Humorous module, FM/CDR demodulation module, DTMB demodulation module, memory module, decoding drive module, display
Module, audio-frequency module and external memory interface.
It will be seen from figure 1 that this terminal has reception and the demodulation passage of two wireless signals, have simultaneously
There is shared decoding unit, memory element, display module and audio-frequency module.
First antenna is connected to the first tuner module, for receiving the wireless signal of FM or CDR and will receive
The transmission of wireless signals arrived is to the first tuner module.First tuner module is also connected to FM/CDR demodulation module,
Wireless signal for first antenna being received is tuned, then by the transmission of wireless signals after tuning
To FM/CDR demodulation module.FM/CDR demodulation module is also connected to decoding and drives module, after to tuning
Broadcast singal be demodulated, and will demodulation after signal be transferred to decoding drive module.
Second antenna is connected to second tune module, for receiving the wireless signal of DTMB and will receive
Transmission of wireless signals is to second tune module.Second tune module is also connected to DTMB demodulation module, is used for
The wireless signal that second antenna receives is tuned, then the transmission of wireless signals after tuning is arrived
DTMB demodulation module.Second demodulation module is also connected to decoding and drives module, for the broadcast after tuning
Signal 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, for solution
Signal after tune is decoded and display module is carried out display screen driving, then by decoded audio frequency
Signal is exported to user by audio-frequency module, or is shown on display module by decoded video signal.
Memory module is built in terminal, and it can include but not limited to Nor to use various forms
Flash, TF card, Nand Flash, DDR2, it drives module to be connected with decoding, is used for storing demodulation
After, the related data of the FM/CDR/DTMB 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 follows that as shown in fig. 1, also include external memory interface according to the terminal of the present invention, use
In external external memory storage.Described external memory interface includes but not limited to: USB interface, TF clamping
Mouthful and SD card interface, they with decoding driving module be connected, be respectively used to external USB flash disk, TF card and
SD card.USB flash disk, TF card and SD card wherein can be able to store such as the external storage equipment of this terminal
The file of audio file, video file, picture file, word or file file etc.When USB flash disk, TF card
Or when the SD card described USB interface of insertion or TF card interface, decoding drives module to read from USB flash disk or TF card
Taking file and be decoded, decoded file data is exported to user by display module or audio-frequency module
Watch or listen to.Should be appreciated that the terminal according to the present invention can with integrated USB interface, TF card interface and
One or more in SD card interface.
Preferably, during described memory module is additionally operable to the file data decoding storing in external memory storage
Intermediate data and decoded file data.Such as, decoded file can also select according to user
Select in the memory module being stored in terminal built-in, in order to user in the case of there is no external storage also
Can watch or listen to.
Should be appreciated that this terminal can also include remote control module and infrared receiver module, wherein: described
Remote control module encodes signal by infrared alignment terminal transmission；Described infrared receiving module receives described coding
Signal, this coding signal after demodulating and decoding for terminal be used for selecting receiving FM/CDR/DTMB signal it
One.
Fig. 2 is the flow chart of the implementation method of FM, CDR and DTMB receive capabilities in Fig. 1.
In step 201, receive FM/CDR signal or DTMB signal by antenna respectively.Here, by two
Individual independent antenna receives radio broadcasting signal, and one of them antenna is used for receiving FM/CDR signal, another
Individual antenna is used for receiving DTMB signal.
In step 202, FM/CDR signal or DTMB signal to receiving are tuned respectively.Here,
Being tuned work by two independent tuner modules, one of them tuner module is for receiving
FM/CDR signal is tuned, and another tuner module is for being tuned the DTMB signal received.
In step 203, respectively the FM/CDR signal after tuning or DTMB signal are demodulated.Here,
Being demodulated work by two independent demodulation modules, one of them demodulation module is after to tuning
FM/CDR signal is demodulated, and another demodulation module is for being tuned the DTMB signal after tuning.
In step 204, the FM/CDR/DTMB signal after demodulation is decoded.Here, one can be used
Individual common decoding drives module to be decoded the FM/CDR/DTMB signal after demodulation.Decoding drives mould
Block can read from memorizer required data with help decoding and display screen drive, during decoding in
Between data and decoding terminate after data can also store in memorizer.These above-mentioned data are such as
There are audio-frequency multiplex layer data, decoding layer frame compression data, decoding intermediate data, PCM data etc. after decoding.
In step 205, decoded FM/CDR/DTMB signal is shown to user.For example, it is possible to pass through
Video or audio signal are presented to user by decoded FM/CDR/DTMB signal by display screen or loudspeaker.
User can be carried out in several ways between reception FM, CDR or DTMB signal these three function
Switching.Such as, described display module can be that common LCD display, LED display, CRT show
Screen or touch screen.In the case of display module is touch screen/touch screen input/output module, user
Can be inputted by touch screen input/output module.It is audio frequency input/output module at audio-frequency module
In the case of, user can be controlled by phonetic entry.User can also be by the button (figure in terminal
Not shown in) select, it might even be possible to select function by remote control module.Such as, this terminal is also
Including infrared receiver module, remote controller/remote controller module can be by the key information of coding by infrared alignment
Terminal transmission, 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 module and one with described decoding
One of two demodulators in extra demodulation module or Fig. 1 are connected.
Terminal of the present utility model may be realized in various forms, and can be such as to be carried with by user
Or the portable terminal dressed, it is also possible to it is car-mounted terminal etc..Terminal of the present utility model is by by three
Item function is integrated on a station terminal, it is possible to meet user in different occasion, the different demands of time.
To be illustrated, in present specification the implication of all of symbol "/" refer to "or" or
" with ".
Professional should further appreciate that, describes in conjunction with the embodiments described herein
The unit of each example and algorithm steps, it is possible to come with electronic hardware, computer software or the combination of the two
Realize, in order to clearly demonstrate the interchangeability of hardware and software, the most according to function
Generally describe composition and the step of each example.These functions are come with hardware or software mode actually
Perform, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can be to often
Individual specifically should being used for uses different methods to realize described function, but this realization it is not considered that
Beyond scope of the present utility model.
The method described in conjunction with the embodiments described herein or the step of algorithm can use hardware, process
The software module that device performs, or the combination of the two implements.Software module can be placed in random access memory
(RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable ROM,
Other form any well known in depositor, hard disk, moveable magnetic disc, CD-ROM or technical field
Storage medium in.
Above-described detailed description of the invention, to the purpose of this utility model, technical scheme and beneficial effect
Further described.Be it should be understood that and be the foregoing is only concrete reality of the present utility model
Execute mode, be not used to limit protection domain of the present utility model, all in spirit of the present utility model
Within principle, any modification, equivalent substitution and improvement etc. done, should be included in this utility model
Protection domain within.
Claims (10)
1. one kind have external memory interface possess modulating FM, Chinese Digital audio broadcasting CDR and in
The terminal of the receive capabilities of state ground TV broadcast DTMB, including first antenna, the second antenna, the first tune
Humorous module, second tune module, FM/CDR demodulation module, DTMB demodulation module, decoding drive module and
External memory interface, wherein:
Described first antenna is connected to described first tuner module, is used for selecting receive FM/CDR signal and incite somebody to action
The FM/CDR signal received is transferred to described first tuner module；
Described first tuner module is connected to described FM/CDR demodulation module, for believing described FM/CDR
Number it is tuned, then the FM/CDR signal after tuning is transferred to described FM/CDR demodulation module；
Described second antenna is connected to described second tune module, is used for selecting receive DTMB signal and will connect
The DTMB signal received is transferred to described second tune module；
Described second tune module is connected to described DTMB demodulation module, for receiving described second antenna
To DTMB signal be tuned, then will tuning after DTMB signal be transferred to described DTMB solve mode transfer
Block；
Described FM/CDR demodulation module and described DTMB demodulation module are also connected to described decoding and drive module,
It is respectively used to the FM/CDR signal after tuning or DTMB signal are demodulated, more respectively by after demodulation
FM/CDR signal or DTMB signal are transferred to described decoding and drive module；
Described external memory interface drives module to be connected, for external external memory storage with described decoding；
Described decoding drives module to export after being decoded the FM/CDR/DTMB signal after demodulation,
It is additionally operable to from external memory storage, read file by described external memory interface and be decoded rear defeated
Go out.
Terminal the most according to claim 1, described external memory interface includes USB interface, TF
One or more in card interface and SD card interface, in external USB flash disk, TF card and SD card
Or it is multiple.
Terminal the most according to claim 1, also includes:
Display module, it drives module to be connected with described decoding, for by decoded FM/CDR/DTMB
File in signal or decoded external memory storage is shown to user.
Terminal the most according to claim 3, wherein, described display module is touch screen input and output
Module, for receiving the touch input of user, in order to terminal selects to receive one of FM/CDR/DTMB signal.
Terminal the most according to claim 1, also includes:
Audio-frequency module, it drives module to be connected with described decoding, for by decoded FM/CDR/DTMB
Signal exports to user.
Terminal the most according to claim 5, wherein, described audio-frequency module is audio frequency input and output mould
Block, for receiving the phonetic entry of user, in order to terminal selects to receive one of FM/CDR/DTMB signal.
Terminal the most according to claim 1, also includes:
Memory module, it drives module to be connected with described decoding, is used for storing FM/CDR/DTMB signal
Intermediate data during decoding and decoded FM/CDR/DTMB signal.
Terminal the most according to claim 7, wherein, described memory module is Nor Flash, TF
Card, Nand one of Flash, DDR2.
Terminal the most according to claim 7, wherein, described memory module is additionally operable to storage outside and deposits
The intermediate data during file data decoding in reservoir and decoded file data.
Terminal the most according to claim 1, also includes remote control module and infrared receiver module,
Wherein:
Described remote control module encodes signal by infrared alignment terminal transmission；
Described infrared receiving module receives described coding signal, and this coding signal is used for supplying after demodulating and decoding
Terminal selects to receive one of FM/CDR/DTMB signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081585.0U CN205510239U (en) | 2015-12-22 | 2015-12-22 | FM, CDR and DTMB receiving terminal with external memory interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081585.0U CN205510239U (en) | 2015-12-22 | 2015-12-22 | FM, CDR and DTMB receiving terminal with external memory interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205510239U true CN205510239U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521081585.0U Active CN205510239U (en) | 2015-12-22 | 2015-12-22 | FM, CDR and DTMB receiving terminal with external memory interface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107425932A (en) * | 2017-03-03 | 2017-12-01 | 北京海尔集成电路设计有限公司 | A kind of CDR terminal devices UI control systems |
| 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 CN201521081585.0U patent/CN205510239U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107425932A (en) * | 2017-03-03 | 2017-12-01 | 北京海尔集成电路设计有限公司 | A kind of CDR terminal devices UI control systems |
| 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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