CN100389405C - Structure of digital audio file, and method for recording and playing files - Google Patents
Structure of digital audio file, and method for recording and playing files Download PDFInfo
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- CN100389405C CN100389405C CNB200410099046XA CN200410099046A CN100389405C CN 100389405 C CN100389405 C CN 100389405C CN B200410099046X A CNB200410099046X A CN B200410099046XA CN 200410099046 A CN200410099046 A CN 200410099046A CN 100389405 C CN100389405 C CN 100389405C
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Abstract
The present invention relates to structure of a digital audio file and a recording and playing method of the digital audio file. The structure of the digital audio file comprises the following parts of information: data information, header information and label information, wherein the data information comprises audio data of each of a plurality of audio songs and lyric data corresponding to the audio data; the header information records the synchronous information of the audio data in the data information and the lyric data corresponding to the audio data; the label information records the additional information of the audio data and the lyric data corresponding to the audio data. The recording and playing method of the digital audio file is characterized in that when displayed, lyrics of an MP3 audio file do not need to be synchronized at every display moment, and text data of the lyrics stored in the lyrics is decoded and displayed. The present invention can reach the effect that the lyrics of related music are accurately and conveniently displayed.
Description
(1) technical field
The invention relates to the invention of digital audio file aspect,, comprise a kind of record of digital audio file of lyrics data of each voice data correspondence and the invention of player method especially about in digital audio file.
(2) background technology
The development of digital technology makes from common sources of sound such as audio frequency CD and extracts audio file out, is modulated into MP3, and rm, digital audio files such as wma (below be referred to as ' MP3 ') are easy to realize.Modulated M P3 file can be downloaded or be uploaded at an easy rate by communication network like this.Especially, when digital audio file is play by special playing device, have and identical broadcast states such as audio frequency cd, and, because space that it occupied is little, compare with existing audio frequency cd etc., have the advantage that in mediums such as CD-ROM, can store more songs.
And owing to adopted the memory storages such as small-sized memory stick that use flash memory, the MP3 phonograph has promptly replaced existing audio frequency compact disc player.
Above-mentioned MP3 audio file has structure as shown in Figure 1.
We can find out by Fig. 1, and the MP3 audio file has the file structure by label (Tag) the information formation of data (Data) information of the header of 4 bytes (byte) (Header) information and N byte and 128 bytes.
Here, in above-mentioned header information, also comprise the identical guidance information of length (length) of each data in record and the mp3 file, in above-mentioned label information, also comprise the audio frequency song information that has write down mp3 file.For example, additional information such as audio frequency song name information and singer name information.And, in above-mentioned data message, also stored the voice data separately of multiple audio frequency song.
Therefore, audio devices such as MP3 phonograph are with reference to being included in the guidance information that writes down in the above-mentioned header information, read and play the MP3 voice data that writes down in the above-mentioned data, simultaneously, retrieval is also read the additional information that comprises record in the above-mentioned label information, and multiple additional informations such as audio frequency song title and singer name are shown.
And digital audio files such as MP3 are different from existing audio frequency CD and just are that it has the advantage that can show the lyrics of song simultaneously.
But the characteristics of digital audio files such as existing MP3 are: different files possesses the lyrics of the song of above-mentioned MP3 audio file correspondence respectively, has only by with they mutual links, and the lyrics of melody sound and sound correspondence can show simultaneously.
For example, in existing MP3 audio file, the operation of the link lyrics is carried out according to following steps.At first, preparation can be imported the specific program (editing machine) of the lyrics, prepares the lyrics.After the lyrics are ready to, utilize specific program to search relevant MP3 audio file.The MP3 audio file that broadcast finds, each moment of playing with synchronous lyricsization (synchronize).
After synchronous lyricsization, set display line, specified file utilizes the MP3 phonograph to duplicate and play.By such step, when playing the MP3 audio file, the lyrics show in display.But because the aforesaid operations mode need be carried out the operation that each MP3 audio file all links whole lyrics respectively, there is the problem of ordinary people's operational difficulty in it.
(3) summary of the invention
The present invention is in order to address the above problem, its objective is to the user provides a kind of and pass through in digital audio files such as MP3, the lyrics data that comprises each voice data correspondence, play the MP3 audio file, when showing the lyrics, do not need each to show moment, with the record and the player method of the lyrics textual data decoding of self EMS memory storage and the digital audio file that shows with synchronous lyricsization (synchronize).
To achieve these goals, the recording method of digital audio file of the present invention comprises following step, and as feature: the step of the additional information that writes down in the storage digital audio file; Restore the voice data and the corresponding lyrics data thereof that write down in the above-mentioned digital audio file, it is recorded step in the CD, comprise in this step: separate voice data and the corresponding lyrics data thereof that writes down in the digital audio file by parser, export to the WAV converter; The WAV converter is transformed to voice data and lyrics data the record format that is fit to CD--the voice data of sound wave form and show the textual data of the output lyrics, and export to register system; Above-mentioned register system records CD with the voice data and the textual data of the sound wave form of above-mentioned conversion output; In voice data that in restoring above-mentioned digital audio file, writes down and the corresponding lyrics data thereof, the additional information of above-mentioned storage is recorded the step in the outer regions of above-mentioned CD.
The feature of the recording method of digital audio file is: said additional information comprises the more than one information in length, audio-frequency music information and the singer name information of the information that voice data and corresponding lyrics data thereof is synchronous, above-mentioned voice data at least.
The player method of digital audio file of the present invention comprises following step, and as feature: read the additional information that writes down in the outer regions of CD, and the step of downloaded stored in the storer; Read the additional information of storing in the above-mentioned storer, and play the step of the data message that writes down in the disc area of the outer regions that is different from above-mentioned CD, described data message comprises voice data and corresponding lyrics data thereof; The additional information of the data message correspondence of the above-mentioned broadcast of retrieval from the additional information of above-mentioned storage, play during the user selects the voice data of appointment reading, utilization is included in the label information that multiple voice data in the above-mentioned data message and corresponding lyrics data thereof carry out synchronized header information and write down the additional information of above-mentioned data message the lyrics data that comprises in the data message is decoded, the step that the lyrics data of voice data correspondence is shown in real time.
Effect of the present invention:
Record and player method according to digital audio file of the present invention, when showing the MP3 audio file lyrics, do not need each to show that moment is with synchronous lyricsization (synchronize), decoding of lyrics textual data and demonstration by with the self EMS memory storage reach the effect that shows the lyrics of relevant music accurately and easily.
And, when possessing car with the video/audio system, in narrow and small car, in the process of appreciating the MP3 music, by sound and song lyrics are simultaneously displayed on the LCD, reach by seeing LCD, can appreciate graceful music, the picture of high image quality is in the happy effect of car enteroception.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the structural representation of existing MP3 audio file.
Fig. 2 is the structural representation of digital audio file of the present invention.
Fig. 3 is the pie graph of optical disc apparatus that is suitable for the recording method of digital audio file of the present invention.
Fig. 4 is the synoptic diagram of voice data and textual data and additional information recording status.
Fig. 5 is the structural representation of the various piece of CD.
Fig. 6 is the formation synoptic diagram that is suitable for the optical disc apparatus of digital audio-frequency data player method of the present invention.
Fig. 7 is by optical disc apparatus, plays the action flow chart of the method for digital audio file of the present invention.
The symbol description of major part in the accompanying drawing:
10: CD 11,21: light picker
12: register system 13: parser
14:WAV converter 15,24: microcomputer
16,26: storer 22: Play System
23:D/A converter 25: LCD
(5) embodiment
Below with reference to accompanying drawings the record of digital audio file of the present invention and the embodiment of player method are elaborated.
Fig. 2 is the synoptic diagram of digital audio file structure of the present invention.
Below, be that example describes with digital audio file with the MP3 audio file.
As shown in Figure 2, the feature that is suitable for MP3 audio file of the present invention is: have the file structure that label (Tag) information by data (Data) information of header (Header) the information N byte of 4 bytes (byte) and 128 bytes constitutes, the voice data separately that not only comprises multiple audio-frequency music in the above-mentioned data message also comprises the lyrics data of above-mentioned voice data correspondence.
Here, the identical guidance information of length (length) of each data in record and the mp3 file also in above-mentioned header information.
And, in above-mentioned label information, also comprise and write down the audio frequency song information of mp3 file.That is additional informations such as the song title information of the multiple voice data that comprises in the data message of mp3 file and singer name information.
As mentioned before, MP3 audio file structure not only comprises the voice data separately of the multiple audio frequency song in the above-mentioned data message, also comprises the lyrics textual data of above-mentioned voice data correspondence.Therefore, in above-mentioned header information and label information, also comprise the additional information of above-mentioned lyrics textual data.
For instance, writing down the multiple voice data that is included in the above-mentioned data message and the synchronized information of lyrics data that it is corresponding in the above-mentioned header information, the song title information and the singer name information that not only comprise multiple voice data in above-mentioned label information have also write down the information of the lyrics data of above-mentioned each voice data correspondence.
Therefore, audio devices such as MP3 phonograph are with reference to the synchronizing information of the lyrics data of voice data that comprises record in above-mentioned header information and correspondence thereof, read and play the MP3 voice data that writes down in the above-mentioned data, simultaneously, retrieval is also read the additional information that comprises record in the above-mentioned label information, in the time of output audio sound, the lyrics that it is corresponding show.
That is, when playing the MP3 audio file, utilize header information and label information, by the lyrics data that comprises in the data message is decoded, the lyrics of the audio music correspondence of output are presented on the picture such as LCD.
And above-mentioned MP3 audio file can be recorded in the medium such as CD-ROM, plays later on.
Fig. 3 is the pie graph of optical disc apparatus that is suitable for the recording method of digital audio file of the present invention.For example, the CD-Recorder optical disc apparatus such as (CD-Recorder) of the recording method of suitable digital audio file of the present invention is made of following components: light picker 11; Register system 12; Parser (Parser) 13; WAV converter 14; Microcomputer 15 and storer 16.
On the other hand, when in above-mentioned optical disc apparatus, insert to install can be repeatedly erasable CD (CD-RW) lining record digital audio file of the present invention as shown in Figure 2, promptly, during the MP3 audio file, above-mentioned parser 13 is as Fig. 2 demonstration, be separated in above-mentioned mp3 file front end record 4 bytes header information and at the label information of 128 bytes of rear end record, and to microcomputer 15 outputs.
Then, above-mentioned microcomputer 15 will comprise the information of record in the header information, for example, the synchronizing information of the lyrics data of voice data and correspondence thereof records in the above-mentioned storer 16, and, to comprise the information of record in the above-mentioned label information, for example, the additional information of the lyrics data of MP3 voice data correspondence also records in the above-mentioned storer 16.
And above-mentioned parser 13 separates MP3 voice data and the corresponding lyrics data thereof that writes down in the MP3 data message, to 14 outputs of WAV converter.Above-mentioned WAV converter 14 is transformed to the record format that is fit to CD with MP3 voice data and lyrics data--the voice data of sound wave form and the textual data of the demonstration output lyrics, and to register system 12 outputs.
Therefore, the voice data and the textual data of the sound wave form that above-mentioned register system 12 will be by said process conversion output carry out the data recording action, carry out a series of operation of recording that writes down in the data area of above-mentioned repeatedly rewritable disk 10.
On the other hand, when operating key input by the user, during the end data operation of recording, after above-mentioned microcomputer 15 reads the multiple additional informations such as synchronizing information of the voice data of 16 li storages of above-mentioned storer and corresponding lyrics data thereof, the action of controlling recording system 12, in above-mentioned 10 li recording storage of CD that can be repeatedly erasable, this information as shown in Figure 4, Fig. 4 is the synoptic diagram of voice data and textual data and additional information recording status, in the specific area of data of the data area 100 that is different from recording audio data and textual data, for example, in the outer regions of CD, delimit the zone 101 of the various information of a part (Session#k) record arbitrarily.
Therefore, by said process, in the CD specific region of writing down the voice data that the MP3 audio file is transformed to the sound wave form, recording storage comprises the multiple additional information of record in the label information of file.
And, on the CD (CD) that Fig. 4 shows, have only a magnetic track to exist with spirality, all top parts are arranged in order, and the length of various piece is fixed.
Fig. 5 is the structural representation of the various piece of CD.The CD here is to be example with CD-ROM.
Here, the various piece of above-mentioned CD (CD) is stored the data of 2352 bytes respectively, and wherein, the real data of record is 2048 bytes.In above-mentioned partial content, " synchronously " (Sync) information is to notify the information of a part starting point to CD-ROM drive, " header " is to show that a part of information (Header), and " error correcting code " (ECC:Error Correction Code) is the data that error-detecting is used.
If do not have the part of error-detecting purposes, can not use ECC, at this moment, the size of the data of record is 2324 bytes.
Existing CD is to state documentarily in the part of real data, only writes down the voice data of multiple voice data; Just as explained above, feature of the present invention is: not only write down above-mentioned voice data, and, also write down the lyrics textual data of each voice data correspondence.
Fig. 6 is the formation synoptic diagram of optical disc apparatus that is suitable for the player method of digital audio-frequency data of the present invention.For example, the compact disc player optical disc apparatus such as (CD-Player) of the player method of suitable digital audio-frequency data of the present invention is made of following components: light picker 21; Play System 22; D/A converter 23; Microcomputer 24; LCD 25 and storer 26.
On the other hand, above-mentioned optical disc apparatus is by above-mentioned recording process, when the data message conversion of MP3 audio file is recorded as the voice data of sound wave form and textual data, in the outer regions of CD, can insert the CD 10 that installation is recorded in additional information arbitrary portion.
And, in installing, insert and install when stating CD 10,22 actions of above-mentioned microcomputer 15 controls playing systems, read in the additional information that writes down in the outer regions of CD, and after being stored in the storer 26, read when playing the voice data that the user wishes, read and show the textual data and the multiple additional information of voice data correspondence.
Fig. 7 is that the present invention passes through optical disc apparatus, plays the action flow chart of the player method of digital audio file.
S10, when CD 10 of the present invention insert to be installed in device, above-mentioned microcomputer 24 was retrieved the record information region of the outer regions that distinguishes over above-mentioned CD with reference to the guidance information at ingress area (Lead-In) lining of CD record.For example, retrieval is divided into the information area of any one part (Session#k).
S11, then, read the additional information that writes down in the above-mentioned information area, carry out a succession of action of downloading 26 li canned datas of above-mentioned storer, possess the voice data of playing the sound wave form that writes down in the CD and the textual data of lyrics information, the multiple additional informations of above-mentioned storer 26 interim storage synchronizing informations and voice data and lyrics data correspondence in order to read.
S12 judges whether to ask audio-frequency music to play.
S13, S14, and, when operating key input according to the user, when receiving the audio plays song request, above-mentioned microcomputer 24 reads the additional information of storing in the storer--after audio frequency song and the lyrics information, for the audio-frequency music of selecting the user to wish, with detail list form reading displayed user choice menus, simultaneously, by user's choice menus, read and play any one audio-frequency music of selecting appointment.
At this moment, in the above-mentioned user's choice menus that shows with the detail list form, comprise and show at least more than one information in audio frequency song title and the singer name at least.And, during reading the data of playing the audio-frequency music that the user selects appointment, show the lyrics information of audio-frequency music in real time.
And the audio frequency lyrics by the said process reading displayed can for example, show on home computer's the display picture at other connection devices except LCD 25 above-mentioned.
S15, after, judge whether audio frequency song plays end.
S16, when audio frequency song was play end, above-mentioned microcomputer was set at standby mode with present pattern, carried out a succession of actions such as operating key input of waiting for the user.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (3)
1. the recording method of a digital audio file is characterized in that comprising following step:
The step of the additional information that writes down in the storage digital audio file;
Restore the voice data and the corresponding lyrics data thereof that write down in the above-mentioned digital audio file, it is recorded step in the CD, comprise in this step: separate voice data and the corresponding lyrics data thereof that writes down in the digital audio file by parser, export to the WAV converter; The WAV converter is transformed to voice data and lyrics data the record format that is fit to CD--the voice data of sound wave form and show the textual data of the output lyrics, and export to register system; Above-mentioned register system records CD with the voice data and the textual data of the sound wave form of above-mentioned conversion output;
In voice data that in restoring above-mentioned digital audio file, writes down and the corresponding lyrics data thereof, the additional information of above-mentioned storage is recorded the step in the outer regions of above-mentioned CD.
2. the recording method of digital audio file as claimed in claim 1 is characterized in that:
Described additional information comprises the more than one information in length, audio-frequency music information and the singer name information of the information that voice data and corresponding lyrics data thereof is synchronous, described voice data at least.
3. the player method of a digital audio file is characterized in that comprising following step:
Read the additional information that writes down in the outer regions of CD, and the step of downloaded stored in the storer;
Read the additional information of storing in the above-mentioned storer, and play the step of the data message that writes down in the disc area of the outer regions that is different from above-mentioned CD, described data message comprises voice data and corresponding lyrics data thereof;
The additional information of the data message correspondence of the above-mentioned broadcast of retrieval from the additional information of above-mentioned storage, play during the user selects the voice data of appointment reading, utilization is included in the label information that multiple voice data in the above-mentioned data message and corresponding lyrics data thereof carry out synchronized header information and write down the additional information of above-mentioned data message the lyrics data that comprises in the data message is decoded, the step that the lyrics data of voice data correspondence is shown in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200410099046XA CN100389405C (en) | 2004-12-27 | 2004-12-27 | Structure of digital audio file, and method for recording and playing files |
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| CNB200410099046XA CN100389405C (en) | 2004-12-27 | 2004-12-27 | Structure of digital audio file, and method for recording and playing files |
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| CN1797369A CN1797369A (en) | 2006-07-05 |
| CN100389405C true CN100389405C (en) | 2008-05-21 |
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Citations (6)
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|---|---|---|---|---|
| US20030099465A1 (en) * | 2001-11-27 | 2003-05-29 | Kim Hyung Sun | Method of managing lyric data of audio data recorded on a rewritable recording medium |
| US20030101364A1 (en) * | 2001-11-27 | 2003-05-29 | Kim Hyung Sun | Method of ensuring synchronous presentation of additional data with audio data recorded on a rewriteable recording medium |
| CN2567684Y (en) * | 2002-09-13 | 2003-08-20 | 信利电子有限公司 | MP3 visual rereader |
| CN1459709A (en) * | 2002-05-24 | 2003-12-03 | 英业达集团（南京）电子技术有限公司 | Equipment and method of broadcasting songs and their words |
| CN1530955A (en) * | 2003-03-17 | 2004-09-22 | 上海乐金广电电子有限公司 | Recording managing and broadcasting method for re-recordable recording media audio-frequency song-word data |
| CN1532833A (en) * | 2003-03-26 | 2004-09-29 | 上海乐金广电电子有限公司 | Synchronous recording management and playing method between audio frequency data and additional data |
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2004
- 2004-12-27 CN CNB200410099046XA patent/CN100389405C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030099465A1 (en) * | 2001-11-27 | 2003-05-29 | Kim Hyung Sun | Method of managing lyric data of audio data recorded on a rewritable recording medium |
| US20030101364A1 (en) * | 2001-11-27 | 2003-05-29 | Kim Hyung Sun | Method of ensuring synchronous presentation of additional data with audio data recorded on a rewriteable recording medium |
| CN1459709A (en) * | 2002-05-24 | 2003-12-03 | 英业达集团（南京）电子技术有限公司 | Equipment and method of broadcasting songs and their words |
| CN2567684Y (en) * | 2002-09-13 | 2003-08-20 | 信利电子有限公司 | MP3 visual rereader |
| CN1530955A (en) * | 2003-03-17 | 2004-09-22 | 上海乐金广电电子有限公司 | Recording managing and broadcasting method for re-recordable recording media audio-frequency song-word data |
| CN1532833A (en) * | 2003-03-26 | 2004-09-29 | 上海乐金广电电子有限公司 | Synchronous recording management and playing method between audio frequency data and additional data |
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