CN100502485C

CN100502485C - Device of mobile phone for automatically recording TV programs

Info

Publication number: CN100502485C
Application number: CNB2006101172354A
Authority: CN
Inventors: 史德锋
Original assignee: Shanghai Simcom Ltd
Current assignee: Shanghai Simcom Ltd
Priority date: 2006-10-18
Filing date: 2006-10-18
Publication date: 2009-06-17
Anticipated expiration: 2026-10-18
Also published as: CN101166248A

Abstract

The device includes following modules, and method includes following steps: TV Decoder module, infrared remote control module (IRCM), voice logging in module, MPEG4 coding decoding module setup on baseband chip at handset terminal; bulk storage memory module (BSMM) setup on handset terminal; being connected to IRCM, the baseband process unit triggers automatic recording function; being connected to TV Decoder module, and the voice logging in module, the baseband process unit carries out MP4 encoding; MP4 files are saved on BSMM; then, using MPEG4 coding decoding module decodes the said MP4 files, and plays back the decoded files. Thus, using handset, people can watch recorded TV program at any moment and any place. Advantages are: legible structure, applicable on basis of current modular product, and expanding multifunctional usages of handset.

Description

The automatic input of TV programs device of mobile phone

Technical field

The present invention relates to a kind of TV programme automatic recording device of mobile phone, it not only has the function of regular handset, has automatically recording video program using simultaneously, and the function of playback TV programme.

Background technology

Mobile phone is as mobile radio communication device, and development is swift and violent, has become the indispensable communication equipment of people's daily life at present.On the applicable basis of the basic training of mobile phone, widen the aspect that mobile phone is used, meet popular consumption demand.

For increasing working clan, stay up late sometimes and see TV programme (such as ball match), and delayed second day operate as normal, will not a kind of good selection.If the late into the night, TV programme can adopt that portable set carries out automatically, timed recording, only need to one's heart's content having a rest carefully evening, working in second day TV programme of being recorded evening of playback heartily again on bus.So both guarantee normal sleep, reached portable purpose of watching the own TV programme of being liked again.

Because domestic hand-set digit television standard is not put into effect as yet, the pilot overlay area in several cities is also very limited, and is subjected to the restriction of channel number; And the bad image of mobile phone analog television effect is clear inadequately, and the platform that can receive seldom.Based on above situation, the automatic typing mobile device of TV is a kind of good selection with discomfort.The use of this mobile phone will greatly enrich daily life.

Summary of the invention

How on the basis of existing regular handset, increase infrared remote control module, TV Decoder module, voice typing module, MPEG4 coding/decoding module and large-capacity data memory module, realize automatic input of TV programs, it is technical problem to be solved by this invention, for this reason, the object of the present invention is to provide a kind of automatic input of TV programs device of mobile phone.

Technical scheme of the present invention is as follows:

According to mobile phone automatic recording TV program device of the present invention, be characterized in:

A. comprise the baseband chip in the mobile phone, this chip is provided with the resident TV of having timing automatic program recording program on memory and this memory of processor, and moves this program by this processor;

B. the mobile phone end is provided with the infrared remote control module, and the processor in its electrical coupling baseband chip by the switch of TV timing automatic program recording program timing controlled in wireless television set setting contents of channel, is implemented the automatic recording of TV programme;

C.TV Decoder module, the video output terminals of its electrical coupling television set and the video signal input terminal on the mobile phone base band chip;

D. voice typing module, the recording input of the audio output of its electrical coupling television set and the baseband chip of mobile phone;

The e.MPEG4 coding/decoding module, the audio signal of the YUV signal of its electrical coupling TV Decoder module output and voice input module output is carried out.Compressed encoding forms the MP4 file;

F. mass data storage module (16), it connects the MP4 file that baseband chip is sent here via the MPEG4 codec unit with T card form by SD MODE, and can be by the decoding of MPEG4 module after send display screen and speaker playback on the mobile phone by the processor in the baseband chip.

Advantage of the present invention: trigger the infrared remote control module by the mobile phone timing function, turn on the specific channel of TV in the standby, and the program of corresponding channel is carried out typing, after regularly typing was finished, closing television machine and mobile phone recording function reached double standby state automatically.

Description of drawings

Fig. 1 is the apparatus structure block diagram of the automatic typing mobile phone of TV program of the present invention;

Fig. 2 is that the device of the automatic typing mobile phone of TV program of the present invention connects block diagram;

Fig. 3 is the flow chart that TV program timing automatic of the present invention is recorded;

Fig. 4 is infrared remote control interface principle figure of the present invention;

Fig. 5 is TV Decoder of the present invention and baseband chip interface principle figure.

Embodiment

Those skilled in the art provide one of the present invention execution mode preferably according to Fig. 1～Fig. 5 below, and described in detail, so that can be easier to understand architectural feature of the present invention and function characteristics.By the detailed annotation of example, make things convenient for the concrete enforcement of scheme.

Arrive shown in Figure 5 as Fig. 1, this example is described to be that the working mechanism of realizing the mobile phone automatic input of TV programs describes in detail, mobile phone 1 end comprises five parts: infrared remote control module 13, TV Decoder module 12, voice typing module 14, MPEG4 coding/decoding module 15 and mass data storage module 16.Baseband chip 11 in the mobile phone 1 adopts the MT6226A of MTK to be realized.

Wherein infrared remote control module 13 plays remote-controlled television set 2 by the purpose of standby to unlatching.In this device, infrared remote control module 3 adopts Agilent HSDL-3002 infrared transceiver module promptly can meet the demands.Agilent HSDL-3002 is that the speed that has the line remote control of distant control function reaches 115.2Kb/s.Volume has only 2.7 * 9.1 * 3.65mm, and the demand that satisfies low-power consumption specially designs, and cut-off current is 10nA.The characteristics of low-power consumption and little encapsulation are more conducive to the integrated of mobile phone 1.Infrared transceiver, it combines the low-power serial infrared operation that meets IrDA (Infrared Data Association) standard, not only can carry out data communication with other infrared transceiver, its distant control function can also be controlled 6 meters with interior television set and video tape recorder etc. simultaneously.

Agilent HSDL-3002 infrared transceiver both can be operated in the infrared receiving/transmission pattern, can be operated in remote control mode again.It adopts two LED designs, and its difference is that the former adopts the LED that is operated in the 870nm wavelength, and the latter adopts the LED that is operated in the 940nm wavelength.The transmission of remote control signal data is that the carrier frequency by 30kHz～60kHz carries out, different based on length, cycle and the duty ratio of data bit, it supports the several data coded format, to adapt to the needs of different infrared receiver codings such as different TVs, DVD.Coded format has following three kinds: Pulse-code, Space-code and Shift-code.

What TV remote controller was used is the emission that special-purpose integrated transmitting chip is realized remote control mode, as the TC9012 of Toshiba, and Philip SAA3010T etc.The remote-controlled chip difference that the television set 2 of different brands adopts, the remote control mode form of employing is also different.Introduce more general two kinds at this, a kind of is the NEC standard, and a kind of is the PHILIPS standard.What it adopted respectively is the coded system of Space-code and Shift-code.

Software in the mobile phone 1 carries out the remote control of respective coding mode by judging the difference of coded system.The hardware interface circuit of infrared remote control as shown in Figure 4, wherein the IRDA_TXD of HSDL-3002 and the IRDA_RXD infrared interface RXD and the TXD that are connected baseband chip 11 respectively carries out general infrared data transmission; The RC (GPIO mouth) that the Remote_ctrl signal connects baseband chip 11 carries out the control of distant control function.In addition, this infrared transceiver has energy-saving mode, carries out switch by the Shutdown interface.

The TV timing automatic is recorded program recording flow chart block diagram as shown in Figure 3.

In Fig. 3, TV timing automatic program recording program 100, by the operation of the processor in the baseband chip 11, its working procedure is as follows:

Step 1000 adopts mode as shown in Figure 2, and with the mobile phone 1 and the television set 2 of S terminal line or compound terminal line connection holding state, television set 2 is set to corresponding channel, and start-up routine 100 carries out timing with startup infrared remote control module 13;

Does step 1001 judge that 13 timing of infrared remote control module arrive record tv and regularly start constantly? if no show is opened television set 2 constantly, just execution in step 1002, carry out program recording constantly if television set 2 is opened in arrival, and then execution in step 1003;

Step 1002, mobile phone 1 is in holding state;

Step 1003 starts infrared remote control module 13 and sends Pulse-code coded telecommand television set 2 unlatching corresponding channels to television set 2;

Does step 1004 judge whether to open program recording? if can open program recording, just execution in step 1009; Otherwise execution in step 1005;

Step 1005 starts infrared remote control module 13, sends 2 starts of Space-code coded telecommand television set;

Does step 1006 judge whether to open program recording? if can open program recording, just execution in step 1009, otherwise, execution in step 1007;

Step 1007 starts infrared remote control module 13, sends the Shift-code coding and opens remote-controlled television set 2, opens corresponding channel;

Does step 1008 judge whether to open program recording? if cannot open program recording, just rebound step 1003; If can program recording, then execution in step 1009;

Step 1009 begins to open recording interface, and storage respective coding mode, then execution in step 1010;

Step 1010 is opened video and voice-grade channel simultaneously, begins to record, compressed encoding and storage;

Does step 1011 judge that recording timing arrives? if the timing no show, just return execution in step 1010; Otherwise execution in step 1012;

Step 1012 finishes to record, and according to respective coding control method closing television machine 2, makes mobile phone 1 and television set 2 all be in holding state.

Because TV Decoder module 12 plays the effect that the TV signal of pal mode or TSC-system formula is converted to the digital signal of yuv format, makes that the baseband chip 11 in the mobile phone 1 can carry out the form that the MPEG4 compressed encoding can be discerned.TV Decoder module 12 chips adopt the AK8856 of AKM to realize.TV video decoding chip AK8856 supports the camera interface of standard, not only can realize the conversion from PAL/NTSC to the yuv data form, and can carry out the conversion of picture format.It can be forms such as VGA, CIF, QVGA, QCIF from the TV picture format size conversion of standard, is set to QCIF (176*144) form by register in the design.The camera interface of its standard adds and can be converted to less picture format, more helps being integrated on the mobile phone 1 of supporting the camera function.It has 10bitADC and adopts precision, the BGA encapsulation of 4mm * 4mm, and the operating power about 100mW more helps the exploitation of portable product.The interface circuit of AK8856 chip and baseband chip 11 as shown in Figure 5.AK8856 adopts the camera interface of standard to be connected with the camera interface of baseband chip.This chip adopts the clock of outside 27MHz that system clock is provided, and adopts 8 position datawires to carry out the transmission of data, adopts row, field sync signal Hsync, Vsync to carry out synchronously in the process of transmission.In addition, baseband chip 11 is by I2C data/address bus control AK8856 chip.

Baseband chip 11 in the mobile phone 1 adopts the MT6226 of MTK to realize.MT6226 can realize sound-recording function by the MIC interface of earphone, the S terminal or the voice left and right acoustic channels of compound terminal and the I/O interface that video channel is connected to mobile phone 1 that connect TV in the present embodiment by cable, realize the collection of recording and video, synchronous by processor control audio in the baseband chip 11 and video.The Voice ﹠ Video signal of synchronous acquisition synthesizes the Mp4 file storage in large capacity data memory 16 by the MPEG4 encoder among the MT6226.

The interface of MT6226 and AK8856 is followed the camera handset port fully.Adopt the I2C interface to carry out register setting and control, adopt 8 position datawire interfaces capable synchronously and field sync signal carry out the transmission of data.Its interface sees for details shown in Figure 5.

MT6226 carries multimedia card interface, can support T card function, and baseband chip 11 links to each other with the T card by SDMode, adopts the mode of external T card like this, and is convenient, flexible, along with the increase of T card capacity, can make things convenient for dilatation.Maximum at present T card can be supported 1Gbyte.The T card of expansion is stored the TV programme of being recorded as the data memory module of system.When carrying out the playback of TV programme with mobile phone 1, baseband chip 11 can read the data in the T card again, carries out watching TV programme on the display screen in mobile phone 1.

Claims

1, the automatic typing mobile device of a kind of TV programme comprises the baseband chip (11) in the mobile phone (1), is provided with memory (110) and processor (111) in this baseband chip (11), it is characterized in that:

A. resident TV timing automatic program recording program in this memory (110), and carry out by this processor (111);

B. at mobile phone (1) end TV decoder module (12) is set, the input of the vision signal of the video output terminals of its electrical coupling television set (2) and mobile phone (1) baseband chip (11) is converted to PAL/NTSC standard TV signal the digital signal of yuv format;

C. at mobile phone (1) end infrared remote control module (13) is set, the processor (111) in its electrical coupling mobile phone (1) in the baseband chip (11), the keying of the setting contents of channel of wireless remote control television set (2) by the program recording program control of TV timing automatic;

D. at mobile phone (1) end voice typing module (14), the recording input of the baseband chip (11) of the audio output of its electrical coupling television set (2) and mobile phone (1) are set;

E. in the baseband chip (11) of mobile phone (1) MPEG4 codec unit (15) is set, it receives the YUV signal of TV decoder module (12) output and the audio signal of voice typing module (14) output is carried out compressed encoding together, forms the MP4 file;

F. at mobile phone (1) end mass data storage module (16) is set, it connects baseband chip (11) in T card mode by the SD pattern, and storage is via the MP4 file of MPEG4 codec unit (15) formation.

2, according to the automatic typing mobile device of the described TV programme of claim 1, it is characterized in that, by MPEG4 codec unit (15) the MP4 file that is stored in the data memory module (16) is decoded, the processor (111) through baseband chip (11) send the display screen and the loudspeaker playback of mobile phone (1).