CN101051473A - Player - Google Patents
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- CN101051473A CN101051473A CN 200610072544 CN200610072544A CN101051473A CN 101051473 A CN101051473 A CN 101051473A CN 200610072544 CN200610072544 CN 200610072544 CN 200610072544 A CN200610072544 A CN 200610072544A CN 101051473 A CN101051473 A CN 101051473A
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Abstract
The present invention provides a playback device. It includes a fetch portion for holding optical disk and fetching optical disk contents under the control of control portion; a control portion for controlling the described fetch portion, storing the optical disk contents fetched by fetch portion into a storage portion and controlling playback portion to play back optical disk contents; a storage portion for storing the described optical disk contents; and a playback portion for playing back optical contents.
Description
Technical field
The present invention relates to player, relate in particular to a kind of player that is used for mobile device.
Background technology
Along with constantly popularizing of automobile, people require more and more higher for the amusement function in the car in driving procedure, traditional player can not satisfy driver's requirement far away, and a common CD CD is subjected to the restriction of form can only store tens first songs, which kind of mode user's CD disc changer of CD or purchasing price costliness of having to frequently change no matter adopt all be easy to damage the CD CD.Traditional automobile adopts single dish CD player and DVD multidisc CD disc changer.With single dish CD player playing back music, change CD with DVD multidisc CD disc changer.Such as the built-in six dish radio and tape players of existing traditional type, six CDs can be placed in the radio and tape player at most at every turn, the movement physical construction more complicated of six dish radio and tape players, volume is also bigger.Require the stability and the anti-seismic performance of six dish radio and tape player movements very good, and when changing dish, need the regular hour.Original 6CD disc changer can be increased to 8CD, 10CD or 12CD disc changer, but physical construction is complicated more, higher to the shock resistance requirement of system, thus make cost higher.
There is following shortcoming in traditional mechanical type solution:
1) play CD, MP3 CD need the extra cost that increases;
2) most of movement can not prevent to go into continuously second dish;
3) no individual likes the song memory function;
4) CD must be placed in the radio and tape player at any time;
Need wait for 10 seconds right sides when 5) changing dish, and with mechanicalness noise;
6) a little less than system's shock resistance.
At present, the user can't be satisfied to diversity, high capacity storage song, improve the requirement of the shock resistance and the stability of system simultaneously, quality risk after sale can not be reduced.
Thereby, need a kind ofly can satisfy user's needs, improve the player of system's shock resistance and stability.
Summary of the invention
At above problem, the invention provides a kind of player, can store a large amount of songs, improve system's shock resistance and stability.
Player provided by the invention comprises: reading part is used for holding optical disk and fetching optical disk contents under the control of control part; Control part is used for controlling reading part and stores the CD content that reads into storage part, and controls playing portion plays CD content; Storage part is used for the stored CD content; And broadcast portion, be used for playing the CD content that is stored in storage part.Also comprise: format conversion portion, be used for converting the CD content that reading part reads to specific format, the CD content with specific format stores in the storage part then.
Reading part is the single dish radio and tape player, can read the content of following at least a CD: CD CD and MP3 CD.
Control part comprises: read control module, be used to indicate reading part to read the content of CD; TCU transfer control unit is used for the control format converter section and converts the CD content that reads to specific format; And playing control unit, be used for the interior CD content that perhaps is stored in the storage part that controls playing portion plays the CD of reading part, and the CD content in the storage part is selected, sorts, deleted or rename.Control part also comprises: information display unit, the information of the content that is used to display the play.Control part is connected with one or more disc changers.Control part is connected with the broadcast program receiving trap, is used to receive radio program.
Under the situation of player outage, format conversion portion can write down the conversion point of interruption, continues to change from the point of interruption when switching on subsequently.
Above CD content comprises song, and broadcast information comprises at least a in the following information: song title, singer's title, band's title and album name.Above specific format is the ACC+ form.
Player can be applied to mobile device, and mobile device comprises automobile, and player can match with the power supply of mobile device, and when the automobile power source electric weight was low, player can reduce volume.The display part of player supports the instrument of mobile device to show and bearing circle shows.
Player shock resistance of the present invention and stability are all very good, and player mechanical noise when operation is very little, and can store a large amount of songs and select, edit and appreciate for the user.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the block diagram according to player of the present invention;
Fig. 2 is the block diagram according to Play Control of the present invention portion;
Fig. 3 is the block diagram of automotive interior disc-playing system according to an embodiment of the invention;
Fig. 4 is the structural drawing of automotive interior CD format converting part according to an embodiment of the invention; And
Fig. 5 is the synoptic diagram that is used for the memory-type DVD multidisc radio and tape player movement in the automobile according to an embodiment of the invention.
Embodiment
Fig. 1 is the block diagram according to player of the present invention.As shown in Figure 1, player comprises: reading part 202 is used for holding optical disk and fetching optical disk contents under the control of control part; Control part 204 is used for controlling reading part and stores the CD content that reads into storage part, and controls playing portion plays CD content; Storage part 206 is used for the stored CD content; And broadcast portion 208, be used to play CD content.Also comprise: format conversion portion 210, be used for converting the CD content that reading part reads to specific format, the CD content with specific format stores in the storage part then.
Reading part is the single dish radio and tape player, can read the content of following at least a CD: CD CD and MP3 CD.
Under the situation of player outage, format conversion portion can write down the conversion point of interruption, continues to change from the point of interruption when switching on subsequently.
Above CD content comprises song, and broadcast information comprises at least a in the following information: song title, singer's title, band's title and album name.Above specific format is the ACC+ form.
Player can be applied to mobile device, and mobile device comprises automobile, and player can match with the power supply of mobile device, and when the electric quantity of power supply of mobile device hanged down, player can reduce volume.The information display unit of player supports the instrument of mobile device to show and bearing circle shows.
Fig. 2 is the block diagram according to playing control unit of the present invention.As shown in Figure 2, playing control unit comprises: read control module 204-2, be used to indicate the optical disk reading portion of getting to read the content of CD; TCU transfer control unit 204-4 is used for the control format converter section and converts the CD content that reads to specific format; And playing control unit 204-6, be used for controls playing portion and play the CD content of storing in the interior perhaps storage part of CD of reading part, and the CD content in the storage part is selected, sorts, deleted or rename.Control part also comprises: information display unit 204-8, the information of the content that is used to display the play.
Control part is connected with one or more disc changers, and is connected with the broadcast program receiving trap, is used to receive radio program.
Fig. 3 is the block diagram of automotive interior disc-playing system according to an embodiment of the invention.As shown in Figure 3, automotive interior disc-playing system 400 comprises: central processing unit (control module) 402, be used to control each parts of disc-playing system inside, and the chip of Shi Yonging is TMP92FD54AIF (Toshiba production) in the present embodiment; CD player core 404 is connected to ACC+ coding/decoding part 406, is used to hold the CD CD, and reads the content (that is song) in the CD CD; ACC+ coding/decoding part 406 is connected to central processing unit 402, is used under the control of central processing unit, and the CD content that the CD player core is read converts the ACC+ form to, and it is connected with the built-in storage unit 408 of stored CD content; Acoustic processing part 410 is used for the voice data that receives is carried out acoustic processing, and the chip that uses in the present embodiment is used for the vehicle audio digital signal processing as SAA7709H (Philip production); Integrated audio amplifier section 412, under the control of central processing unit, voice data after reception is handled from acoustic processing part 410, and the voice data that receives amplified, the chip of Shi Yonging is TDA7561 (STMicroelectronics production) in the present embodiment, this chip plays the effect of multi-function power amplifier, is used for integrated audio and amplifies.Radio part 414 is connected to central processing unit 402, receives partly to handle from the wireless audio signal of outside and with audio signal output to acoustic processing; External disc changer 416, be connected to central processing unit, can put into many CDs, the HEF4557 (1 to 64bit variable length shift register) that the chip that the external disc changer that present embodiment uses comprises is produced as the Philip, the 74AHC1GU04 (inverter) that the Philip produces, and the 74LVC1G74DP of Philip production (single D-type flip-flop has set and reset function, and positive voltage triggers); Power unit 418 is used for to the central processing unit power supply, and the chip that uses in the present embodiment is L7808ABV (STMicroelectronics production), and it is a voltage regulator.Central processing unit is connected with EPROM, and the EPROM chip that uses in the present embodiment is 4Mbit (512Kb * 8) as M27C4001 (STMicroelectronics production), this chip.Central processing unit also is connected with EEPROM, and the eeprom chip that uses in the present embodiment is M24C64 (STMicroelectronics production), and this chip is 64Kbit and 32Kbit serial i
2The C bus, EPROM is used to store the Hanzi font library that display message is used, and EEPROM is used to store the Part No. of hardware of startup password and player and the information such as version number of software; Voltage transitions part 420, be used for converting external voltage to voltage that each module can be used, voltage after the conversion is offered the LCD Panel and the diode backlight of player, and the chip that uses in the present embodiment is the TLE4276 that Siemens produces, and it is the low-loss voltage regulator; CAN bus receiver 422 is connected with central processing unit, is used to realize the change of number of channels, the demonstration of demonstration of transmission instrument and multifunctional direction dish, and the chip that uses in the present embodiment is the TJA1054 that the Philip produces, it is fault-tolerant CAN bus receiver; And antenna 424, be connected with central processing unit, be used to receive wireless signal, the chip that uses in the present embodiment comprises BTS4140N (Infineon production), it is a high-side power switch.
The player outage is (flame-out suddenly such as vehicle in the process of the content of CD being changed and stored into built-in storage unit, need restart) time, system can write down the point of interruption, restarts the back at vehicle then and continues to change CD content and be stored to the built-in storage unit from this point of interruption.
Fig. 4 is the structural drawing of automotive interior CD format converting part according to an embodiment of the invention.As shown in Figure 4, the CD format converting part comprises: CD player core segment 404, and it has the CD driver, is used to make the CD CD to rotate, and reads the information in the CD CD under the control of ACC+ coding/decoding part; ACC+ coding/decoding part 406, when the operation control section by editor/operational order indication ACC+ coding/decoding partly to the information in the CD edit/when operating, ACC+ coding/decoding part is sent to the CD player core segment with control signal, indicate it to read information in the CD, and when this editor/operational order is conversion instruction, ACC+ coding/decoding part will become the information of ACC+ form from the information translation that CD reads, and by the SPORT0 port its transitional information be fed back to the operation control section.After ACC+ coding/decoding part becomes the ACC+ form with the information translation of CD, the information after the conversion is stored in the flash memory 408 by GLUE, GLUE is connected with SDRAM.The operation control section is sent to ACC+ coding/decoding GPIO port partly by the instruction that the EJECT interface will eject the CD CD, and the CD CD is ejected in indication.The operation control section transfers to ACC+ coding/decoding part with system clock after detecting by clock detection part 502.
The synoptic diagram that is used for the memory-type DVD multidisc radio and tape player movement in the automobile according to an embodiment of the invention as shown in Figure 5.This memory-type DVD multidisc radio and tape player movement is little more a lot of than the built-in six disc player core volume of traditional type, takies interior space still less.
At present, player of the present invention can convert the song of 12 CD CDs to the ACC+ form at most, stores the memory block in the player then into, plays the content of maximum 12 CD dish (1CD+7.5 hour).The memory capacity of player of the present invention can increase or reduce as required, can the play CD dish and MP3 dish and need not additionally to increase cost, and scalable to bigger flash memory, store that more multitone is happy.And player support outage of the present invention continues recording function, can edit the CD music of typing, for example, deletes typing CD content, and the content of storage is carried out rename, perhaps deletes full content etc., can store the song that the individual likes.Support the programming playing function of CD, can play the music of MP3 format, and can show song title, singer's title, band's title and the album name of music, can prevent to go into continuously second dish with Chinese.
Player of the present invention can cooperate the power-supply management system of car load, when the engine long time is flame-out, mainly by the vehicle accumulator power supply, if use player for a long time, the storage battery electric weight is reduced to a certain degree player, vehicle possibly can't be struck sparks again, so when engine during at flameout state, player is controlled at volume in 75% scope of max volume automatically, to save power consumption, prevent that storage battery from not having electricity not strike sparks once more.
Player of the present invention is also supported the car load network, realizes that by the CAN bus more this number of channels, support instrument show and the multifunctional direction dish.
The present invention does not need CD is placed in the player always, and only need wait for 0.001 second when selecting played songs, does not have mechanicalness noise, and system's shock resistance is strong.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. player is characterized in that comprising:
Reading part is used for holding optical disk and fetching optical disk contents under the control of control part;
Described control part is used for controlling described reading part and stores the CD content that is read into storage part, and controls playing portion is play described CD content;
Described storage part is used to store described CD content; And
Described broadcast portion is used to play described CD content.
2. player according to claim 1 is characterized in that also comprising: format conversion portion, be used for converting the CD content that described reading part reads to specific format, and the CD content with specific format stores in the storage part then.
3. player according to claim 2 is characterized in that, described reading part can read the content of following at least a CD: CD CD and MP3 CD.
4. player according to claim 2 is characterized in that, described reading part is the single dish radio and tape player.
5. player according to claim 2 is characterized in that, described control part comprises:
Read control module, be used to indicate described reading part to read the content of described CD;
TCU transfer control unit is used to control described format conversion portion and converts the CD content that reads to specific format; And
Playing control unit is used for controlling the interior CD content that perhaps is stored in the described storage part that described broadcast portion plays the CD of described reading part, and the described CD content in the described storage part is selected, sorts, deleted or rename.
6. player according to claim 5 is characterized in that, described control part also comprises: information display unit is used to the information of displaying the play.
7. player according to claim 5 is characterized in that, under the situation of described player outage, described format conversion portion can write down the conversion point of interruption, continues to change from the point of interruption when switching on subsequently.
8. player according to claim 5 is characterized in that described CD content comprises song.
9. player according to claim 8 is characterized in that, described broadcast information comprises at least a in the following information: song title, singer's title, band's title and album name.
10. player according to claim 9 is characterized in that, described specific format is the ACC+ form.
11. player according to claim 3 is characterized in that, described control part is connected with one or more disc changers.
12. player according to claim 3 is characterized in that, described control part is connected with the broadcast program receiving trap, is used to receive radio program.
13., it is characterized in that described player is used for mobile device according to each described player in the claim 1 to 12.
14. player according to claim 13 is characterized in that, described player can match with the power supply of mobile device, and when the automobile power source electric weight was low, described player can reduce volume.
15. player according to claim 13 is characterized in that, the information display unit of described player supports the instrument of mobile device to show and bearing circle shows.
16. player according to claim 15 is characterized in that, described mobile device comprises automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610072544 CN101051473A (en) | 2006-04-07 | 2006-04-07 | Player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610072544 CN101051473A (en) | 2006-04-07 | 2006-04-07 | Player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101051473A true CN101051473A (en) | 2007-10-10 |
Family
ID=38782839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610072544 Pending CN101051473A (en) | 2006-04-07 | 2006-04-07 | Player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101051473A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037683A (en) * | 2017-12-20 | 2018-05-15 | 深圳市沃特沃德股份有限公司 | Onboard system recovers the method and onboard system of application program running state |
-
2006
- 2006-04-07 CN CN 200610072544 patent/CN101051473A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037683A (en) * | 2017-12-20 | 2018-05-15 | 深圳市沃特沃德股份有限公司 | Onboard system recovers the method and onboard system of application program running state |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |