CN100561585C

CN100561585C - CD recording and playing device

Info

Publication number: CN100561585C
Application number: CNB2004100836081A
Authority: CN
Inventors: 郑嘉菱
Original assignee: Apacer Technology Inc
Current assignee: Apacer Technology Inc
Priority date: 2004-10-11
Filing date: 2004-10-11
Publication date: 2009-11-18
Anticipated expiration: 2024-10-11
Also published as: CN1760984A

Abstract

The present invention relates to a kind of CD recording and playing device, can connect a USB storage device, it comprises a read-write cell of one first data that read CD, these first data are deciphered to produce a decoding unit of one first decoding data, this first decoding data is encoded to produce a coding unit of a first coding data, a USB port that connects this USB storage device, an and control module, it is connected with this coding unit and this USB port, in order to receiving this first coding data, and control this USB port and deposit this first coding data in this USB storage device.Whereby, reach under the situation that does not need personal computer and carry out the purpose that exchanges data is shared with the USB storage device.

Description

CD recording and playing device

Technical field

The present invention relates to a kind of CD recording and playing device, particularly relate to a kind of can be under the situation that does not need personal computer, the CD recording and playing device that can carry out exchanges data and share with a USB storage device.

Background technology

Present commercially available CD CD player, except can playing general music CD (CD), some type also can be play the MP3 CD of writing record with MP3 format.In addition, the DVD CD player can also be play various CDs with different coding/compressed format such as comprising CD, MP3, VCD, DVD.Even so, no matter but be CD or DVD CD player at present, can only CD plays sound or video-audio data via reading, can not with other electronic installation, for example dish, external connected hand disk etc. have the direct binding of USB storage device of storage area to carry out exchanges data or to share with oneself, thereby can't be by being connected with an external connection type memory apparatus, and music or the video-audio data that provides by this external connection type memory apparatus is provided, perhaps will to this external connection type memory apparatus, back up by sound or video-audio data unloading that CD reads.

Therefore, when CD or DVD CD player desire with the music play or video-audio data unloading to other electronic installation, when perhaps playing the music be stored in other electronic installation or video-audio data, unique method is exactly to see through in the storage area that personal computer is transcribed into electronic installation with music that CD or DVD play or video-audio data, and utilize personal computer that music in the electronic installation or video-audio data are pre-existed in the personal computer, make utilize the CD burning device that music or video-audio data imprinting are become discs after, this music or videodisc sheet are put in CD or the DVD CD player play again.

Summary of the invention

Therefore, the object of the present invention is to provide a kind of need not the use under the situation of personal computer, can carry out exchanges data with a USB storage device and share, and the CD recording and playing device of raising data transmission convenience.

So CD recording and playing device of the present invention can be for connecting a USB storage device, this CD recording and playing device comprises a read-write cell, a decoding unit, a coding unit, a USB port and a control module.This read-write cell is in order to read first data of 1 in the CD.This decoding unit is connected with this read-write cell, in order to these first data are deciphered, to produce one first decoding data.This coding unit is connected with this decoding unit, in order to this first decoding data is encoded, to produce a first coding data.This USB port is in order to connect this USB storage device.This control module is connected with this coding unit and this USB port, in order to receiving this first coding data, and controls this USB port and deposits this first coding data in this USB storage device.Whereby, reach under the situation that does not need personal computer, carry out the purpose that exchanges data is shared with the USB storage device.

Description of drawings

Fig. 1 is the circuit block diagram of an embodiment of CD recording and playing device of the present invention;

Fig. 2 is a part of control flow chart of present embodiment;

Fig. 3 is another part control flow chart of the hookup 2 of present embodiment.

Embodiment

Below by most preferred embodiment and accompanying drawing CD recording and playing device of the present invention is elaborated:

About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to a graphic embodiment, can clearly present.

Consult shown in Figure 1, be an embodiment of CD recording and playing device of the present invention, in the present embodiment, CD recording and playing device 1 be with one can backward compatible (promptly can read the CD of different pieces of information kenels such as CD, VCD, DVD, MP3) Portable or desktop DVD videocorder be example, it mainly comprises a read-write cell 11, a decoding unit 12, a coding unit 13, a USB port 14, a control module 15, a signal output part 16 and a signal input part 17.

Read-write cell 11 is optical read/write heads, and it can write one first data of record in CD in order to read, also can be with in data carving to a blank CD.And these first data are looked the kind of CD, can be with CD-DA analog-to-digital (being PCM) or MPEG Audio Layer-3 (hereinafter to be referred as MP3) coded system write record music data (CD sheet), write the video-audio data (VCD sheet) of record or write the video-audio data (DVD sheet) of record with the MPEG-1 coded system with MPEG-2 or MPEG-4 (below be abbreviated as MPEG-2/4) coded system.

Decoding unit 12 exports signal output part 16 in order to first data are deciphered to will decipher first decoding data that produces.And in order to decipher to first data of writing record in the different coding mode, at least include one in the decoding unit 12 and carry out the MPEG-2/4 code translator that MPEG-1 code translator that the pcm voice code translator (PCM audio coder), of digital-to-analog conversion deciphers at first data of encoding in the MPEG-1 mode (being VCD), is deciphered at first data of encoding in the MPEG-2/4 mode (being DVD) at first data of encoding (being music CD) in the CD-DA mode, and the MP3 code translator deciphered of first data of encoding at the MP3 mode.

So when decoding unit 12 was received first data, can differentiate first data was to encode in which way, selected the code translator of a correspondence to decipher again.Therefore, if first decoding data is a music data, by connecting an earphone or loudspeaker at signal output part 16, can hear the music that CD recording and playing device 1 is play, if first decoding data is a video-audio data, then, can view and admire the film that CD recording and playing device 1 is play, and this also is the existing function that at present general DVD recording/displaying device is possessed by connecting a display at signal output part 16.

Major technique feature of the present invention is to be:

Coding unit 13 is to be connected with decoding unit 12, and coding unit 13 comprises a MPEG-1 scrambler at least, an one MPEG-2/4 scrambler and a MP3 scrambler, and can be at the data content (music data or video-audio data) of first decoding data, select suitable scrambler that first decoding data is encoded, to produce a first coding data, also even first decoding data is a music data, coding unit 13 promptly uses the MP3 scrambler first decoding data to be compressed into the first coding data of MP3 format, and if first decoding data is a video-audio data, 12 of coding units are selected MPEG-1 or MPEG-2/4 scrambler for use, and one of them is compressed into first decoding data first coding data of MPEG-1 or MPEG-2/4 form.

In addition, coding unit 13 also comprises a PCM encoder, and coding unit 13 is connected with signal input part 17, in order to receive one second data by external input signal input end 17, these second data can be music or video-audio data, and coding unit 13 is the contents according to second data, and one of them is encoded to second data to select PCM encoder, MPEG-1 scrambler, MPEG-2/4 scrambler or MP3 scrambler for use, to produce one second coded data.

USB port 14 is in order to connecting a USB storage device 2, and this USB storage device 2 is meant the USB device that has storer in any, for example dish, hard disk, PDA and have mobile phone of memory function or the like with oneself.

Control module 15 is connected with coding unit 13 and USB port 14, with first and second coded data of accepting to send here by coding unit 13, and control 14 pairs of USB storage devices of USB port 2 and carry out data access, so that first or second coded data is deposited in the USB storage device 2 via USB port 14.In addition, control module 15 also is connected with read-write cell 11, with control read-write cell 11 with the second coded data imprinting to CD.

In addition, control module 15 also is connected with decoding unit 12, its may command USB port 14 reads one the 3rd data (may be music or video-audio data) in the USB storage device 2, and the 3rd data are delivered to decoding unit 12, make according to data content, after the 3rd data decoding become one the 3rd decoding data, exporting signal output part 16 to broadcasts, moreover, control module 15 also may command decoding unit 12 is delivered to coding unit 13 with the 3rd decoding unit and is suitably encoded, after producing the 3rd coded data, the 3rd coded data is delivered to read-write cell 11, and control read-write cell 11 with the 3rd coded data imprinting in a blank CD.

In addition, the 3rd data are except comparatively common coded format coding such as the MP3 that lifted with present embodiment or PCM, it also may be encoded with other coded format such as WMA, AAC, ADPCM, therefore in decoding unit 12 and coding unit 13, can be respectively at these other data encoding format, suitably set up corresponding code translator and scrambler.

And, in control module 15, also prestore the driver of various USB storage devices in order to carry out access action to various USB storage devices, to load corresponding driver at different USB storage devices 2.Below, will the control flow of present embodiment be elaborated.

At first, shown in the step 201 of Fig. 2, CD recording and playing device 1 is under holding state, whether control module 15 can detecting have USB storage device 2 to connect USB port 14, if, then carry out step 202, will a driver that should USB storage device 2 be loaded, then, as step 203, read-write cell 11 has judged whether that CD is placed into and whether has received that one reads the CD instruction, if then read first data of 1 on the CD, and carry out step 204, give decoding unit 12 with first data, make according to first data content and suitably decipher, to produce one first decoding data.At this moment, shown in step 205, control module 15 judges whether to receive one first instruction, be also about to the instruction of the first decoding data unloading to USB storage device 2? if, it is execution in step 206, make decoding unit 12 give coding unit 13, make first decoding data is suitably encoded, to produce a first coding data and to deliver to control module 15 first decoding data, then, as step 207, control module 15 control USB port 14 make first coding data is deposited in the USB storage device 2.

Return step 205, if control module 15 is not received first instruction, decoding unit 12 is an execution in step 208, directly exports first decoding data to signal output part 16 and plays.

In addition, return step 203, when read-write cell 11 is not received the optical disk reading instruction fetch, that is do not carry out CD and read when moving, then carry out step 209, judge whether to receive one second instruction by control module 15, that is is reception by the instruction of one second data of signal input part 17 inputs? if, then carry out step 210, make second data that 13 pairs of signal input parts 17 of coding unit transmit suitably encode, to produce one second coded data and to deliver to control module 15, at this moment, as step 211, control module 15 judges whether to receive one the 3rd instruction, also be about to the instruction that second data deposit USB storage device 2 in? if, then carry out step 212, control USB port 14 deposits second coded data in the USB storage device 2 in.Otherwise, as step 213, judge whether to receive one the 4th instruction, be also about to of the instruction of second data carving to CD? if, then carry out step 214, give read-write cell 11 with second coded data, make the second coded data imprinting to CD.

In addition, return step 209, when control module 15 is not received second instruction, then enter the step 215 of Fig. 3,15 of control modules judge whether to receive the five fingers order, that is the instruction of reading one the 3rd data that store in the USB storage device 2? if, then carry out step 216, make USB port 14 read the 3rd data in the USB storage device 2, and carry out step 217, the 3rd data are delivered to decoding unit 12 decipher, to produce one the 3rd decoding data, then, as step 218, control module 15 judges whether to receive one the 6th instruction, be also about to of the instruction of the 3rd data carving to CD? if, control module 15 is an execution in step 219, the 3rd decoding data is delivered to coding unit 13 suitably encode, make to produce one the 3rd coded data and deliver to control module 15, carry out step 220, by control module 15 control read-write cells 11, make the 3rd coded data imprinting in CD.Otherwise, if control module 15 is not received the 6th instruction in step 218, then carry out step 221, directly export the 3rd decoding data to signal output part 16 and play.

Moreover, get back to the step 201 of initial Fig. 2, when control module 15 finds that USB port 14 does not connect

USB storage device

2,1 direct execution in step 222,223 and 208 of CD recording and playing device, after making read-write cell 11 read first data in the CD and delivering to decoding unit 12 and decipher, to deliver to signal output part 16 through first decoding data of decoding and play, to carry out existing disc playing function.

As shown in the above description, present embodiment utilizes first decoding data of 13 pairs of decoding units of coding unit, 12 outputs to encode, to produce first coding data, and to encoding by second data of signal input part 17 inputs, after producing second coded data, control module 15 may command USB port 14 deposit first and second coded data in the USB storage device 2 in, perhaps control read-write cell 11 with the second coded data imprinting in CD, in addition, control module 15 also may command USB port 14 reads the 3rd data in the USB storage device 2, and after the 3rd data are delivered to decoding unit 12 and decipher, the 3rd decoding data of decoding generation is delivered to signal output part 16 to be play, in addition, control module 15 also can be according to steering order, after the 3rd decoding data delivered to coding unit 13 and suitably be encoded into the 3rd coded data, control read-write cell 11 with the 3rd coded data imprinting in discs.Whereby, make CD recording and playing device 1 under situation about not needing, reach with USB storage device 2 and carry out effect and the purpose that exchanges data is shared by personal computer.

In addition, predictably, though the foregoing description is to be example with the DVD videocorder, the present invention also can be applicable in the CD videocorder and does not have anxiety, and what the CD videocorder was different with the DVD videocorder is, read-write cell 11 in the CD videocorder can only read music CD, that is are the music datas with CD-DA or the imprinting of MP3 mode by the first music data that read in the music CD, therefore its decoding unit 12 comprises a pcm voice code translator that carries out the digital-to-analog conversion at the first music data of encoding in the CD-DA mode (being CD) at least, an and MP3 code translator of deciphering at the first music data of encoding (being MP3) in the MP3 mode, its coding unit 13 then comprises one at least and carries out the CD-DA coding with first decoding data or by one second music data of signal input part 17 input, to produce the pcm voice scrambler of first or second coded data, and one with first decoding data or be compressed into the MP3 scrambler of first or second coded data with MP3 format by one second music data of signal input part 17 input, and control module 15 may command USB port 14 one of read in the USB storage device 2 the 3rd music data, and after the 3rd music data delivered to decoding unit 12 and is decoded into the 3rd decoding data, broadcast by signal output part 16, or relend suitably encode by 13 pairs the 3rd decoding datas of coding unit after, see through read-write cell 13 with the 3rd decoding data imprinting to discs, detailed action and control flow as for the CD recording/displaying device are then identical with the foregoing description, no longer repeat in this.

Claims

1, a kind of CD recording and playing device can be for connecting a USB storage device, and it is characterized in that: this CD recording and playing device comprises:

One read-write cell is in order to read first data of 1 in the CD;

One decoding unit is connected with this read-write cell, in order to these first data are deciphered, to produce one first decoding data;

One coding unit is connected with this decoding unit, in order to this first decoding data is encoded, to produce a first coding data;

One USB port is in order to connect this USB storage device;

One control module is connected with this coding unit and this USB port, in order to receiving this first coding data, and controls this USB port and deposits this first coding data in this USB storage device;

One signal input part, it is connected with this coding unit, in order to receive second data by the outside input, and these second data are imported in this coding unit encode, after producing one second coded data, import this control module, this USB port of control is deposited in this second coded data in this USB storage device.

2, CD recording and playing device as claimed in claim 1 is characterized in that: this USB storage device is meant the USB device that has storer in any.

3, CD recording and playing device as claimed in claim 1 is characterized in that: this control module also is connected with this read-write cell, so that this second coded data is delivered to this read-write cell, and control this read-write cell with this second coded data imprinting in CD.

4, CD recording and playing device as claimed in claim 3 is characterized in that: this CD recording and playing device also comprises a signal output part, and it is connected with this decoding unit, in order to export this first decoding data.

5, CD recording and playing device as claimed in claim 4, it is characterized in that: this control module also is connected with this decoding unit, and this this USB port of control module may command reads one the 3rd data of this USB storage device, and the 3rd data are delivered to this decoding unit decipher, make to produce one the 3rd decoding data and export this signal output part to.

6, CD recording and playing device as claimed in claim 5, it is characterized in that: this control module also this decoding unit of may command is delivered to this coding unit with the 3rd decoding data and is encoded, after making generation one the 3rd coded data, the 3rd coded data is delivered to this read-write cell, and control this read-write cell with the 3rd coded data imprinting in this CD.

7, CD recording and playing device as claimed in claim 6, it is characterized in that: these first data can be CD-DA, MPEG-1, MPEG-2/4 or MP3 data kenel one of them, and this CD recording and playing device is a DVD playing device, this decoding unit comprises a pcm voice code translator of deciphering at first data of CD-DA kenel at least, the one MPEG-1 code translator of deciphering at first data of MPEG-1 kenel, the one MPEG-2/4 code translator of deciphering at first data of MPEG-2/4 kenel, and a MP3 code translator of deciphering at first data of MP3 kenel, and this coding unit comprises a MP3 scrambler of encoding at first decoding data that includes music data at least, and at first decoding data that includes video-audio data one of encode a MPEG-1 scrambler and a MPEG-2/4 scrambler.

8, CD recording and playing device as claimed in claim 7, it is characterized in that: this coding unit also comprises a pcm voice scrambler, and these second data are to include music data or video-audio data, this pcm voice scrambler and this MP3 scrambler are to encode at second data that include music data, to produce this second coded data, this MPEG-1 scrambler and MPEG-2/4 scrambler are to encode at second data that include video-audio data.

9, CD recording and playing device as claimed in claim 7, it is characterized in that: the 3rd data can be CD-DA, MPEG-1, data such as MPEG-2/4 or MP3 kenel one of them, and this pcm voice code translator is to decipher at the 3rd data of CD-DA kenel, this MPEG-1 code translator is to decipher at the 3rd data of MPEG-1 kenel, this MPEG-2/4 code translator is to decipher at the 3rd data of MPEG-2/4 kenel, this MP3 code translator is to decipher at the 3rd data of MP3 kenel, and this pcm voice scrambler and this MP3 scrambler are that the 3rd decoding data that includes music data is encoded, and this MPEG-1 scrambler and MPEG-2/4 scrambler are to encode at the 3rd decoding data that includes video-audio data.

10, CD recording and playing device as claimed in claim 6, it is characterized in that: these first data can be CD-DA or one of them data kenel of MP3, and this CD recording and playing device is a CD playing device, this decoding unit comprises a pcm voice code translator of deciphering at first data of CD-DA kenel, an and MP3 code translator of deciphering at first data of MP3 kenel, and this coding unit is to comprise a MP3 scrambler, in order to this first decoding data is encoded, to produce the first coding data of MP3 kenel.

11, CD recording and playing device as claimed in claim 10, it is characterized in that: this coding unit also comprises a pcm voice scrambler, these second data are music datas, and this pcm voice scrambler and this MP3 scrambler can encode to second data, to produce this second coded data.

12, CD recording and playing device as claimed in claim 10, it is characterized in that: the 3rd data can be the one kind of data kenels of CD-DA or MP3, and this pcm voice code translator is to decipher at the 3rd data of CD-DA data kenel, this MP3 code translator is to decipher at the 3rd data of MP3 kenel, and this pcm voice scrambler and this MP3 scrambler can be encoded to the 3rd decoding data, to produce the 3rd coded data.