TW307861B - - Google Patents

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Publication number
TW307861B
TW307861B TW085106799A TW85106799A TW307861B TW 307861 B TW307861 B TW 307861B TW 085106799 A TW085106799 A TW 085106799A TW 85106799 A TW85106799 A TW 85106799A TW 307861 B TW307861 B TW 307861B
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Taiwan
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signal
digital
processing device
signal sequence
signal line
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TW085106799A
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Chinese (zh)
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Matsushita Electric Ind Co Ltd
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Rotational Drive Of Disk (AREA)

Description

經濟部中央標準局員工消費合作社印製 A7 B7_五、發明説明(1 ) 本發明係一種光碟裝置,詳言之,即—播具有防震功 能之光碟再生装置。 近年來羼於光碟再生裝置之光碟(以下籣稱CD〉哨盤, 因其«積輕小之特性而廣範颺用於可移動式機器及汽車音 響等用途上。CD唱盤係顆動對準光束之焦黏於CD數位訊號 記錄面之聚焦何服器、於訊號記錄軌上追蹤光束之跟蹤何 服器,非接觸性地讀取數位音響訊號之CD-DA訊號列。然 而作為可移動式用途及汽車音響用途之CD唱盤,相較於平 置式CD唱盤,較易受到外在«動之影響*容易因錯焦及跳 軌而發生斷音、或音訊不連鳙之跳音現象。爲了防止該跳 音現象,M2倍速轉動CD先纊取CD-DA訊號列儲存於記憶 龌,並同時由記慷驩Μ檷準速度放音之内釀防琪控制裝置 之CD唱盤已經問世。 另一方面,於音樂CD唱盤中加入MPEG(Motion Picture coding Experts Group之縮寫〉解碼功能、最多可數位歷 縮74分鐘動畫及聲音之可放彩CD-ROM XA規格之影音光 碟及卡拉0K光碟之影音光碟機,正積檯地被商品化之中。 此外,最近利用CD-ROM作為桌上型個人電騸及筆記型 個人電腦之應用軟體及資料、或者各檯實用性軟醴之媒醱 使用的情況相當普遍,内建有放影該CD-ROM之CD-ROM解碼 功能之個人電腦正廣受注目。另外於個人電腦中内建立體 喇叭,可放音立龌音效及Hi-Fi音效之機種亦已被商品化 Ο Μ下使用圖面說明習知之CD光碟再生裝置。第4國係 (請先閱讀背面之注意事項再填寫本頁) 装. 訂 -4 本紙張尺度適用中國國家標準(CNS ) A4规格(210乂297公釐) 4Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs A7 B7_V. Description of the invention (1) The present invention is an optical disc device. In detail, it is a disc regeneration device with anti-shock function. In recent years, the discs (hereinafter referred to as CD) whistle discs in the disc reproduction device have been widely used in portable machines and car audio applications due to their small size. The CD turntable is aligned The focus of the light beam sticks to the focusing device of the CD digital signal recording surface, the tracking device of the tracking beam on the signal recording track, and reads the CD-DA signal line of the digital audio signal non-contactly. However, it is a movable type The CD turntables for applications and car audio applications are more susceptible to external «movements * than flat-mounted CD turntables *. They are prone to sound breakage due to out-of-focus and track jumps, or audio skipping phenomena. To prevent this sound skipping phenomenon, the M2 double-speed CD first retrieves the CD-DA signal line and stores it in the memory, and at the same time, the CD turntable with the anti-qi control device brewed within the quasi-speed playback by Ke Kang Huan has been released. , Add MPEG (Motion Picture coding Experts Group abbreviation) to the music CD turntable, decoding function, up to 74 minutes of digital video and sound can be played back, CD-ROM XA specification audio and video discs and karaoke 0K optical discs ,positive The platform is being commercialized. In addition, the recent use of CD-ROMs as application software and data for desktop personal computers and notebook personal computers, or the use of practical software media is quite common. PCs with built-in CD-ROM decoding function for playing the CD-ROM are gaining attention. In addition, built-in speakers in the PC, which can play stand-alone sound effects and Hi-Fi sound effects, have also been commercialized. Ο Μ uses the picture below to illustrate the conventional CD disc reproduction device. The 4th country (please read the precautions on the back before filling in this page). Binding-4 This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 (297 mm) 4

五、發明説明(2 ) 經濟部中央標準局員工消費合作杜印策 圖示習知例之光碟再生装置之方塊围*若進一步說明,卽 具有防震功能之CD唱盤之方塊圖。第4·中於快於檷準速 度、例如M2倍速蓮轉之主軸馬逹42上,載置光碟CD41 使其固定旋轉,由此CD41讀取資料之光拾取單元4 3之輸 出之一端輪入於光學伺服器裝置44,進行主軸馬達4 2 與光待取單元4 3之伺服器控制。而光拾取單元4 3之蝓 出之另一端則輪人於數位訊號處理装置4 6 »解調處理2 倍速之數位訊號列轉換成控制資訊、子代碼資訊及2倍速 CD-DA訊號列。条統控制装置4 5讀取由數位訊號處理裝 置46輪出之控制資訊及子代碼資訊,檢測跳軌及錯焦。 防震控制装置48輪人2倍速CD-DA訊號列儲存於記憶裝 置47並轉換成檷準速度輪出,於數位-類比(以下簡稱D/ A)變換裝置4 9將CD-DA訊號列轉換爲音镶訊號。 針對Μ上構成之習知例之光碟再生裝置,Μ下說明其 動作。首先将音樂CD41以2倍速再生之後,數位訊號處理 装置46即開始2倍速數位訊號列之解調處理,_出子代 碼資訊及控制資訊或2倍速之CD-D Α訊號列。接著防藤控 制裝置48_入2倍速之CD-DA訊號列鑲存於記憧裝置4 7並同時輪出檷準速度之CD-DA訊號列。而D/A變換裝置4 9則輪入該檷準速度之CD-DA訊號列,轉換爲類比式之音 崔訊號。 另一方面,条統控制裝置4 5_入由數位訊號處理裝 置46所饞出之子代碼賫訊及控制資訊,並間時監視跳軌 及錯焦,若遇異常情況發生時即立刻控制光學伺服器裝置 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先聞讀背面之注意事項再填寫本頁) 訂V. Description of the invention (2) Du Yinze, the employee consumption cooperation of the Central Bureau of Standards of the Ministry of Economic Affairs. The block diagram of the CD reproduction device shown in the conventional example. * If further explained, the block diagram of the CD turntable with shockproof function. No. 4: On the spindle 42 which is faster than the normal speed, for example, M2 speed lotus rotation, the optical disc CD41 is placed to rotate it fixedly, so that one end of the output of the optical pickup unit 43 that reads the data from the CD41 rotates in In the optical servo device 44, the servo control of the spindle motor 4 2 and the optical standby unit 4 3 is performed. The other end of the optical pick-up unit 4 3 turns to the digital signal processing device 4 6 »demodulate and process the 2x speed digital signal sequence into control information, subcode information and 2x speed CD-DA signal sequence. The system control device 45 reads the control information and subcode information from the digital signal processing device 46 and detects track jumps and out of focus. The anti-shock control device 48 rounds of human double speed CD-DA signal sequence is stored in the memory device 47 and converted into a standard speed round output, and the digital-analog (hereinafter referred to as D / A) conversion device 4 9 converts the CD-DA signal sequence into Audio signal. The operation of the optical disc reproducing device of the conventional example constructed on M will be described below. After first reproducing the music CD41 at 2x speed, the digital signal processing device 46 starts the demodulation process of the 2x speed digital signal train, and outputs subcode information and control information or the 2x speed CD-DA signal train. Next, the anti-vine control device 48_ enters the double-speed CD-DA signal sequence embedded in the recording device 47 and simultaneously turns out the normal speed CD-DA signal sequence. And the D / A conversion device 49 turns into the CD-DA signal line of the standard speed, and converts it into an analog sound signal. On the other hand, the system control device 45_ enters the sub-code information and control information outputted by the digital signal processing device 46, and monitors the track jump and out of focus from time to time, and immediately controls the optical servo if an abnormal situation occurs The size of the paper is applicable to the Chinese National Standard (CNS) A4 (210X297mm) (Please read the precautions on the back before filling this page).

J 5 經濟部中央標準局男工消費合作社印製 Λ7 s___£!_________ 五、發明説明(3 ) 44再度進行存取,移動光拾取單位43至發生異常情況 位置之前之磁軌位置,並闻時進行主軸馬逢42之回轉控 制。並且對於防猱控制裝置48鑰出異常發生指令。防籐 控制装置4 8由糸統控制裝置4 5接收異常發生指令之後 ,停止2倍速CD-DA訊號列之輸入,终止記慊裝置47之 番稹,並由記憶装置48持續輪出檷摩速度之CD-DA訊號 列使音樂不至中斷。亦即,儲存於記慊裝置4 7之播準速 度之時間份悬,即使未WI人新的CD-DA訊號列,音樂亦不 會中斷。而於該時間内完成再度存取程序,由正常之磁軌 位置重新再生之後*条統控制裝置45對防震控制裝置4 8發出正常回歸指令之同時,並且防霖控制裝置4 5再度 開始2倍速CD-DA訊號列之_入,開始記慊装置47之番 積。 笫5鼸係其他之習知例之內建MPEG解礪功能之彩音CD 唱盤之方塊匯。第5國中,讀取由主_馬逢52所回轉之 音樂CD、影音CD或卡拉OK CD等光碟5 1之光拾取單元5 3之輸出之一方被輸入至光學词服器裝置54 *進行主軸 馬逵52及光拾取單元53之伺服器控制。光拾取簞元5 3之_出之另一方則輪入於數位訊铖處理裝置56,於此 解調處理數位訊號列轉換爲子代碼資訊及控制資訊、CD-D A訊號列及MPEG訊號列。而糸統控制裝置5 5則纊取由數 位訊號處理裝置5 6輸出之子代碼資訊及控制資訊,判別 音樂CD、彩音CD或卡拉OK CD,並檢測跳軌及錯焦。 資訊訊號列辨雄裝置57經由条統控制裝置55之控 本紙張尺度逋用中國國家揉準(CNS ) Α4規格(210 X 297公釐) ---------AJis.-- (請先閲讀背面之注意事項再填寫本頁) -β « m« ϋν^ ·J 5 Printed Λ7 s ___ £! _________ by the Male Workers ’Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs V. Invention description (3) 44 Access again, move the optical pickup unit 43 to the position of the magnetic track before the location of the abnormal situation Carry out the rotation control of the spindle Ma Feng 42. And an abnormality generation instruction is issued to the anti-chill control device 48. The anti-vine control device 48 stops the input of the double-speed CD-DA signal line after the abnormal control command is received by the Ito control device 45, terminates the fan of the memory device 47, and the memory device 48 continuously rotates out the speed The CD-DA signal train keeps the music uninterrupted. That is to say, the time stored in the recording device 47 of the broadcasting speed is suspended, and the music will not be interrupted even if there is no new CD-DA signal line from the WI. After completing the re-access procedure within this time, after being regenerated from the normal track position, the system control device 45 issues a normal return command to the anti-vibration control device 48, and the anti-forest control device 45 starts to double speed again The input of the CD-DA signal list begins to record the volume of the device 47.笫 5 鼸 is a block collection of color audio CD turntables with built-in MPEG resolution function in other conventional examples. In the fifth country, one of the outputs of the optical pickup unit 5 3 of the optical disc 5 1 that reads the music CD, audio-visual CD, or karaoke CD rotated by the master Ma Feng 52 is input to the optical speech server device 54 * to perform the spindle Ma Kui 52 and the servo control of the optical pickup unit 53. The other side of the optical pick-up unit 53 is involved in the digital signal processing device 56, where the demodulated digital signal line is converted into subcode information and control information, CD-DA signal line and MPEG signal line . On the other hand, the system control device 55 obtains the subcode information and control information output by the digital signal processing device 56 to discriminate music CDs, color audio CDs, or karaoke CDs, and detects track jumps and out of focus. The information signal sequence distinguishing device 57 controls the paper size through the system control device 55. The paper size is in accordance with the Chinese National Standard (CNS) A4 specification (210 X 297 mm) --------- AJis .-- (please Read the notes on the back before filling in this page) -β «m« ϋν ^ ·

U 7861 A 7 B7 經濟部中央標準局員工消费合作社印製 五、發明説明(4 ) 制將數位訊號處理装置5 6之輓入辨識為音樂CD之CD-DA 訊號列及影音CD或卡拉OK CD之MPEG訊號列,前者_出至D /A變換裝置5 A,後者則輸出至MPEG解碼處理裝置5 9。 MPEG解碼處理裝置5 9將輸入之MPEG訊號列先儲存於記憶 装置5 8並同時取出己儲存之MPEG訊號列邸時地解碼處理 ,每隔一定時間轉換鎗出數位影音訊铖列及數位音《訊號 列。D/A變換装置5 A將數位影音訊號列及數位音镳訊號列 轉換成類比之彩音訊號及音嚮訊號。 針對Μ上構成之其他習知例之光礫再生装置,以下說 明其動作。首先再生音樂CD之光碟5 1之後,數位訊號處 理裝置56開始數位訊號列之解調處理,_出子代碼資訊 及控制資訊或CD-DA訊號列。条統控制裝置5 5由該子代 碼資訊及控制責訊監視跳軌及艚焦,若有遒些異常情況發 生,對光畢伺服器裝置54發出指令控制光拾取單元5 3 及主軸馬達52。另一方面,資訊訊號列辨識裝置5 7辨 織由數位訊號處理裝置56所_出之CD-DA訊號列输入至D /A變換裝置5 A。而D/A變換裝置5 A則將CD-DA訊號列轉換 成音堪訊號轅出。 接蕃再生彩音CD或卡拉OK CD之光磯5 1之後,數位 訊號處理裝置56開始數位訊號列之解調處理,蠄出子代 碼資訊、控制費訊及MPEG訊號列。条統控制裝置5 5藉由 該子代碼賫訊及控制資訊監視跳軌及錯焦•若有逋些異常 情況發生則對光學伺服器裝置54發出指令•控制光拾取 單元53及主軸馬達52。另一方面*資訊訊號列辨識裝 本紙張尺度逋用中國國家標準(CNS ) A4規格(210X297公釐) r - I-裝------訂------1 (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 A7 B7五、發明説明(5 ) 置5 7辨識MPEG訊號列_入至MPEG解碼處理裝置59 °MP EG解碼處理裝置59將記憶裝置58作為繙術記慷體使用 並即時地解碼處理MPEG訊號列,每隔一定時間轉換成數位 彩音訊號列及數位音«訊號列_出。而D/A變換装置5 A蝓 入該數位影音訊號列及數位音響訊號列•轉換成類比式影 音訊號及音響訊號。 然而上述之習知例之構成中,第4麵最先例式之CD唱 盤雖有防震功能,但該CD唱盤因未有MPEG解碼功能,因此 有不能再生影音CD及卡拉OK CD之問越。此外第5顧所示 之其他習知例中,雖可再生影音CD及卡拉OK CD,但在再 生音樂CD時,因未有習知之市場評價極高之防震功能,因 此有耐揉功能差、對使用者之訴求效果低之問題。 本發明係為解決上述習知例之問題,除音樂CD之外, 亦可再生影音CD及卡拉OK CD或CD-ROM,並且於再生音樂C D時產生防震功能,Μ提供防止因外來震動等因素而產生 之跳音之光碟再生裝置爲目的。 爲達成上述目的,本發明之光碟再生装置包含有:載 置固定光碟並使其回轉隳動之主軸馬建;對準光束之焦點 於上述光碟之資料記錄面上讀取記錄於上述光碟之數位訊 號之光拾取單元;解碼由上述光拾取單元蝙出之數位訊號 之第1數位訊號處理裝置;進行上述主軸馬連之回轉控制 及上述光拾取單元之光學控制之光學伺服器装置;输入由 上述第1數位訊號處理装置輸出之控制資訊及子代碼資訊 ,控制上述光學伺脹器装置並識別其為上述CD之基本格式 本紙張尺度適用中國國家標準(CNS〉Λ4規格(210X291公资) 經濟部中央標準局員工消費合作社印製 A7 B7五、發明説明(6 ) 之CD-DA訊號列或為上述CD-DA訊號列Μ外之訊號列而發出 識別指令·若識別為上述CD-DA訊號列時,Μ快於檷準之 速度回轉驅動上述主軸馬達,於上述第1數位訊號《理裝 置中解調高速之CD-DA訊號列,或由上述第1數位訊號處 理裝置之轴出有異常情況發生時* _出異常發生指令,由 該異常發生指令控制上述光學伺服器裝置將光拾取單元存 取於異常發生前之位置,而當上述第1數位訊號處理装置 之輪出回後至異常發生前之狀態時Μ出正常回復指令之集 统控制装置;将上述第1載位訊號廉理裝置所蠄出之上述 CD-DA訊號列及上述CD-DA訊號列以外之訊號列由上述条統 控制裝置之識別指令辨識之資訊訊號列辨識裝置;上逑糸 統控制裝置識別到上逑CD-DA訊號列時依該指令輪入由上 述資訊訊號列辨識裝置辨識之上述高速之CD-DA訊號列, 儲存於第1記憶装置並同贿轉換_出檷準速度之上述CD-DA訊號列,並且由上述条統控制裝置之異常發生指令停止 對上述CD-DA訊號列之上逑第1記憶裝置之蓄«,由上述 糸統控制裝置之正常回鼸指令再度開始對上述第1記憶裝 置之蓄積之防震控制装置;上述条統控制裝置識別到上述 CD-DA訊號列以外之訊號列時,依該指令綸入由上述資訊 訊號列辨識裝置辨雄之上逑CD-DA訊號列以外之訊號列, 将第2記慊裝置作為缓衡記慊鼸使用並即時地轉換輸出成 數位解碼訊號列之第2數位訊號處理装置;綸入由上述防 震控制裝置_出之上述CD-DA訊號列,或由上述第2數位 訊號處理裝置_出之上述數位解碼訊號列轉換成類比式訊 ------案------訂------線 (請先閱讀背面.<7注意事項Κ '寫本頁) 舞 本紙張尺度適用中國國家標準(CNS ) Α4規格(210X297公f )U 7861 A 7 B7 Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Invention description (4) The system recognizes the digital signal processing device 5 6 as the CD-DA signal line and audio-visual CD or karaoke CD of the music CD In the MPEG signal sequence, the former is output to the D / A conversion device 5A, and the latter is output to the MPEG decoding processing device 59. The MPEG decoding processing device 59 stores the input MPEG signal sequence in the memory device 58 and simultaneously takes out the decoded processing of the stored MPEG signal sequence, and converts the digital audio and video sequence and digital audio at regular intervals. Signal line. The D / A conversion device 5 A converts the digital audio and video signal line and the digital audio signal line into analog color and audio signals. Regarding other conventional examples of boulder regeneration devices constructed on M, the operation will be described below. After first reproducing the optical disc 51 of the music CD, the digital signal processing device 56 starts the demodulation process of the digital signal line, and outputs subcode information and control information or a CD-DA signal line. The system control device 55 monitors the track jump and scorching from the subcode information and control information. If some abnormal situation occurs, it sends a command to the optical servo device 54 to control the optical pickup unit 53 and the spindle motor 52. On the other hand, the information signal sequence recognition device 57 recognizes the CD-DA signal sequence output by the digital signal processing device 56 and inputs it to the D / A conversion device 5A. The D / A converter 5 A converts the CD-DA signal train into audio signals. After receiving the Koji 5 of the regenerated color audio CD or karaoke CD, the digital signal processing device 56 starts the demodulation processing of the digital signal sequence, and extracts the subcode information, control fee information and MPEG signal sequence. The system control device 55 uses this subcode information and control information to monitor track jumps and out-of-focus. If some abnormality occurs, it issues commands to the optical server device 54. Controls the optical pickup unit 53 and spindle motor 52. On the other hand, the paper size of the information signal identification and identification paper is based on the Chinese National Standard (CNS) A4 specification (210X297mm). R-I-installation -------- order ----- 1 (please read first Note on the back and then fill out this page) A7 B7 printed by the Employee Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 5. Description of the invention (5) Set 5 7 Identify the MPEG signal line _ Enter the MPEG decoding processing device 59 ° MP EG decoding processing device 59 The memory device 58 is used as a generous body for transliteration and decodes and processes the MPEG signal sequence in real time, and is converted into a digital color audio signal sequence and a digital audio signal sequence at regular intervals. The D / A conversion device 5 A enters the digital video signal line and digital audio signal line. • Converts to analog video signal and audio signal. However, in the structure of the above-mentioned conventional example, although the CD player of the first example of the fourth aspect has a shockproof function, the CD player does not have the MPEG decoding function, so there is a problem that the audiovisual CD and karaoke CD cannot be reproduced. In addition, in the other conventional examples shown in the fifth Gu, although audio and video CDs and karaoke CDs can be reproduced, when reproducing music CDs, because there is no conventional shockproof function with extremely high market evaluation, it has poor kneading resistance, The problem of low appeal to users. The present invention is to solve the problems of the above-mentioned conventional examples. In addition to music CDs, audio and video CDs and karaoke CDs or CD-ROMs can also be reproduced, and a shockproof function is generated when the music CD is reproduced. M provides protection against factors such as external vibrations. The purpose of the disc-playing device is the sound-jumping. In order to achieve the above object, the optical disc reproducing device of the present invention includes: a spindle Ma Jian which mounts and fixes the optical disc and makes it rotate; the focus of the light beam is on the data recording surface of the optical disc to read the digital record on the optical disc The optical pickup unit of the signal; the first digital signal processing device that decodes the digital signal output by the optical pickup unit; the optical servo device that performs the rotation control of the spindle coupling and the optical control of the optical pickup unit; 1 The control information and subcode information output by the digital signal processing device, control the above optical servo device and recognize it as the basic format of the above CD. The paper standard is applicable to the Chinese national standard (CNS> Λ4 specification (210X291 public funds). A7 B7 printed by the Staff Consumer Cooperative of the Bureau of Standards V. The CD-DA signal line of the invention description (6) or an identification command issued for a signal line other than the above-mentioned CD-DA signal line , Μ drives the spindle motor faster than the standard speed, and demodulates the high-speed CD-DA signal in the first digital signal Row, or when an abnormality occurs from the axis of the first digital signal processing device * _ An abnormality generation command is issued, and the abnormality generation command controls the optical servo device to access the optical pickup unit at a position before the abnormality occurs, And when the first digital signal processing device rotates back to the state before the abnormality occurs, an integrated control device that generates a normal reply command; the above-mentioned CD-DA, which is extracted from the first loading signal processing device The signal sequence and the signal sequence other than the above-mentioned CD-DA signal sequence are recognized by the information command sequence recognition device of the above-mentioned system control device; when the upper system control device recognizes the upper CD-DA signal sequence, it follows the command wheel Into the above-mentioned high-speed CD-DA signal sequence recognized by the above-mentioned information signal sequence identification device, stored in the first memory device and converted with the bribe_ out the normal speed of the above-mentioned CD-DA signal sequence, and controlled by the above rules The abnormality generation instruction stops the storage of the first memory device on the above-mentioned CD-DA signal line, and the normal storage instruction of the above-mentioned control system starts the storage of the first memory device again Anti-shock control device; when the above-mentioned general control device recognizes the signal sequence other than the above-mentioned CD-DA signal sequence, it enters the signal sequence other than the CD-DA signal sequence above the discriminating device identified by the above-mentioned information signal sequence recognition device according to the instruction, The second digital signal processing device that uses the second recording device as a slow balance recording device and instantly converts and outputs it into a digital decoded signal line; the above-mentioned CD-DA signal line output by the above-mentioned anti-vibration control device_, or by The above-mentioned second digital signal processing device _ the above-mentioned digital decoded signal line is converted into an analog type signal --- case ------ order ------ line (please read the back side first. ≪ 7 Note Κ 'Write this page) The size of the dance paper is applicable to the Chinese National Standard (CNS) Α4 specification (210X297 public f)

經濟部中央標準局員工消費合作杜印製 i'發明説明(7 ) 號之數位-類比變捵裝置。 而若CD-DA訊號列以外之訊號列爲MPEG訊號列時,可 作為具有取代第2數位訊號處理装置之MPEG解碼處理裝置 之構成,此外若CD-DA訊號列Μ外之訊號列為CD-ROM訊號 列時,將主軸馬達快於檷準速度回轉囅動,由第1數位訊 號處理裝置輪出离速之CD-ROM訊號列,可作爲具有取代第 2數位訊號處理裝置之CD-ROM解碼處理裝置之構成。 本發明依上述構成,僅霈些徹之附加鬣路即可再生音 樂CD、影音CD、卡拉OK CD或CD ROM,並且於再生音樂CD 時由CD-DA訊號列之檢測將主軸馬達Μ快於檷準速度快速 回轉驅動,由第1數位訊號雜理裝置蝙出高速之CD-DA訊 號列經由防震控制裝置將第1記慊装置作為繙衝記慊,若 因外來霉動而產生跳音等情況時,直至光拾取單元之存取 回復爲止由第1記慊装置Μ檷準速度輪出CD-DA訊號列之 防震功能作用提升移動用途及汽車音鬱用途之耐霉功能》 Μ下參考丽面說明本發明之實施例。第1實施例之光 碟再生裝置之方塊圈之第1画中,主軸馬遽1 2固定回轉 所載置之音樂CD或其以外之Ci)之光碟1 1。光拾取單元1 3由光碟11讀取數位訊號列。光學何服器装置14_入 以光拾取單元13讀出之數位訊號列之一方進行主_馬達 12及光拾取單元13之伺服器控制。第1數位訊號處理 裝置16_入Μ光拾取單元13讚出之數位訊號列之另一 方,解碼鼴理數位訊號轉換成子代碼資訊、控制資訊及CD -DA訊號列及其以外之訊號列 > 条統控制裝置1 5讀取由 ------.---,-*1装-- (請先閲讀背面之注意事項再填寫本頁) 訂The digital printing of the i-invention specification (7) of the Central Consumer ’s Bureau of the Ministry of Economic Affairs of the People ’s Republic of China for consumer cooperation is a digital-analog device. If the signal sequence other than the CD-DA signal sequence is an MPEG signal sequence, it can be used as a MPEG decoding processing device that replaces the second digital signal processing device. In addition, if the signal sequence outside the CD-DA signal sequence M is a CD-DA signal sequence In the ROM signal train, the spindle motor rotates faster than the normal speed, and the first digital signal processing device rotates out of the CD-ROM signal train, which can be used as a CD-ROM decoder with a replacement for the second digital signal processing device. The structure of the processing device. According to the above structure of the present invention, only a few additional additional channels can be used to reproduce music CDs, audio-visual CDs, karaoke CDs or CD ROMs, and the spindle motor Μ is faster than that by the detection of the CD-DA signal line when the music CD is reproduced Quasi-speed rapid rotation drive, the high-speed CD-DA signal line is output from the first digital signal miscellaneous device, and the first recording device is used as the overshoot recording device through the anti-vibration control device. If the sound is skipped due to external mold At the time, until the access of the optical pickup unit is restored, the shock resistance function of the CD-DA signal line is rounded out by the quasi-speed of the first recording device Μ. An embodiment of the present invention will be described. In the first picture of the block circle of the optical disc reproducing apparatus of the first embodiment, the spindle Ma Yun 1 2 is fixedly rotated, and the music CD or other Ci) optical disc 11 is mounted. The optical pickup unit 13 reads the digital signal line from the optical disc 11. The optical server device 14_in performs servo control of the main motor 12 and the optical pickup unit 13 with one of the digital signal lines read by the optical pickup unit 13. The first digital signal processing device 16_ the other side of the digital signal line praised by the input optical pickup unit 13, decodes the digital signal into subcode information, control information, and CD-DA signal line and other signal lines > The system control device 15 is read by ------.---,-* 1 installed-- (please read the precautions on the back before filling in this page)

J 本紙張尺度適用中國國家標準(CNS > A4規格(210X297公釐) 10 A 7 B7 經濟部中央標準局員工消費合作社印製 五、發明説明(8 ) 第1數位訊號處理裝置1 6 _出之子代碼資訊及控制資訊 ,識別音樂用CD或其Μ外之CD,檢測銚軌及錯焦等条統異 常情況。資訊訊號辨識裝置1 7辨識»入訊號為音樂CD之 CD-DA訊號列及其Μ外之訊號列。 防褰控制裝置19由資訊訊號列辨識裝置17輸入高 速之CD-DA訊號列儲存於第1記憶装置1 8,並同時讀出 資料轉換蠄出檷準速度之CD-D Α訊號列。第2數位訊號處 理裝置1B由資訊訊號列辨識裝置1 7 _入音樂CD之CD-DA 訊號列Μ外之訊铖列戧存於第2記憶裝置1 A並讀出該訊 號列即時地解碼處理*每隔一定時間轉換綸出數位解碼訊 號列。D/A轉換装置1C將防露控制裝置19之CD-DA訊號 列及第2數位訊號處理裝置1B之數位解碼訊號列轉換爲 類比式之音鬱訊號及影音訊號。 如以上構成之第1實施例之光碟再生装置,以下說明 其動作。首先再生音樂CD之光碟1 1之後,第1數位訊號 處理装置1 6開始數位訊號之解調處理,輪出控制資訊及 子代碼資訊。条統控制裝置1 5讀取控制資訊及子代碼資 訊,若識別為CD-DA訊號列時,控制光學伺服器裝置Μ快 於檷準速度、例如以2倍速回轉驅動主軸馬速12 *監視 眺軌及錯焦等条統異常情況,若有這些異常情況發生,對 光學何服器裝置1 4發出指令,進行光拾取單元1 3及主 軸馬逹12之解磲控制。並旦第1數位訊號處理裝置16 解調處理由光拾取單元1 3tt出之离速數位訊號,轉換為 高速之CD-DA訊號列。資訊訊铖辨識装置1 7經由糸統控 本紙張尺度逋用中國國家標準(CNS ) A4規格(210Χ29Τ公釐)J This paper scale is applicable to the Chinese National Standard (CNS > A4 specification (210X297 mm) 10 A 7 B7 Printed by the Employee Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs V. Invention description (8) The first digital signal processing device 1 6 _ 出The subcode information and control information, identify music CDs or CDs other than M, detect the abnormal conditions of the Chromium track and out of focus, etc. Information signal identification device 1 7 identification »The input signal is the CD-DA signal line of the music CD and The signal line outside the M. The anti-slave control device 19 is input by the information signal line identification device 17 to the high-speed CD-DA signal line and stored in the first memory device 18, and at the same time reads out the data and converts the standard speed CD- D Α signal line. The second digital signal processing device 1B is recognized by the information signal line 1 7 _CD-DA signal line into the music CD The signal outside the line Μ is stored in the second memory device 1 A and reads out the signal Real-time decoding processing * Converts the digital decoding signal sequence at regular intervals. The D / A conversion device 1C converts the CD-DA signal sequence of the dew control device 19 and the digital decoding signal sequence of the second digital signal processing device 1B The analogue signal and shadow Signal. As the optical disc reproducing device of the first embodiment constituted above, its operation will be explained below. First, after reproducing the music CD disc 11, the first digital signal processing device 16 starts the demodulation processing of the digital signal, and the control information is rolled out And sub-code information. The system control device 15 reads the control information and sub-code information, and if it is recognized as a CD-DA signal line, controls the optical servo device M faster than the normal speed, for example, rotating the spindle motor at twice the speed Super 12 * Monitor system abnormalities such as overhead view and out-of-focus. If any of these abnormalities occur, issue an instruction to the optical server device 14 to control the resolution of the optical pickup unit 13 and spindle 12. Once the first digital signal processing device 16 demodulates and processes the digital signal from the optical pickup unit 1 3tt, it is converted into a high-speed CD-DA signal line. The information signal recognition device 1 7 controls the paper standard through Shitou. National Standard (CNS) A4 specification (210Χ29Τmm)

-----«---1 ‘"-- (請先閱讀背面之注意事項再填寫本頁)----- «--- 1‘ "-(Please read the notes on the back before filling this page)

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T 經濟部中央標準局員工消費合作社印製 Α7 Β7 五、發明説明(9 ) 制装置1 5之控制,將此高速CD-DA訊號列轉移至防籐控 制裝置1 9。另一方面,防震控制装置1 9_入高速之CD -DA訊號列儲存於第1記慊裝置18先讀取、邸先從W入 之資料讀出,轉捵_出成檷準速度之CD-DA訊號列。而D/A 變換裝置1C刖將欞準速度之CD-DA訊號列轉換《I出成類比 之音響訊號。 當条統控制裝置15檢溯出眺軌或錯焦等条统異常畤 ,立即控制光學伺服器装置14,於CD-DA訊號列中斷前 之磁軌位置開始再度健存,並對防震控制裝置1 9轅出異 常發生指令。當防鞣控制装置1 9接收異常發生指令之後 ,停止由賫訊訊號列辨識裝置1 7之离速CD-DA訊號列之 _入,除終止對第1記憶装置1 8之鬌稹外,檷準速度之 CD-DA訊號列由第1記懦裝置1 8持繙_出並控制使音樂 不至中斷。亦卽,儲存於第1記慷装置1 8之檷準速度之 時間份置,即使未重新輸入CD-DA訊號列,再生之音樂亦 不會半途中斷。而於該時間内完成再度存取程序,由正常 之磁軌位置重新再生之後*条統控制裝置15對防震控制 裝置19發出正常回歸指令之同時,防露控制裝置19再度鬭 始資訊訊號列辨識裝置1 7之离速CD-DA訊號列之輪入, 開始第1記慊裝置18之薔稹。 接著再生音樂CDM外之⑶之光碟1 1之後》第1數位 訊號處理裝置1 6開始數位訊號之解調處理,_出子控制 賫訊及代碼資訊。糸統控制裝置1 5纊取控制資訊及子代 碼資訊識別其爲CD-DA訊號列Μ外之訊號列,並監視跳軌 本紙張尺度逋用中國國家標準(CNS ) Α4規格(210>:297公釐) 12 -----.---^ 裝------訂------Α (請先閱讀背面之注意事項再填寫本頁) 經濟部中央梯準局員工消費合作社印裝 Λ 7 Β7 五、發明説明(10 ) 及錯焦等糸統異常慵況,若有異常情況發生則對光擧伺服 器裝置14發出指令,進行光拾取單元1 3及主軸馬達1 2之回歸控制。另一方面,«訊訊號列辨識裝置17經由 条統控制裝置1 5之控制辨識CD-DA訊铖列Μ外之訊號列 蠄入至第2數位訊號處理裝置1Β。第2數位訊號處理裝 置1Β將第2記憶裝置1Α作為繅衝記慊讎使用並卽時地解碼 處理該CD-DA訊號列以外之訊號列,轉換_出成數位解碼 訊號列。而D/A變換裝置1 C_人該數位解碼訊號列,轉換 成類比式訊號。 根據Μ上之本實施例,因其設有:載置光碟1 1使其 回轉驅動之主軸馬達1 2 ;及,對準光束之焦點於資料記 錄面讀取調整記錄於光碟11之數位訊號之光拾取單元 1 3 ;及,進行主軸馬達1 2之回轉控制及光拾取單元 1 3之光學控制之光學伺服器裝置1 4 ;及,解碼由光拾 取單元13_出之數位訊號之第1數位訊號處理装置16 ;及,轅入由第1數位訊號廉理裝置1. 6_出之控制資訊 及子代碼資訊,控制光學伺服器裝置1 4並譏別其為CD 1 1之基本格式之CD-DA訊號列或為CD DA訊號列Μ外之訊 號列之条統控制裝置1 5 ;及,將第1數位訊號處理装置 1 6所鳊出之CD-DA訊號列及CD-DA訊號列Μ外之訊號列由 糸統控制装置15之識別指令辨識之資訊訊號列辨讖裝置 1 7 ;及,条统控制裝置1 5識別到CD-DA訊號列時,Μ 快於檫準速度回轉囅動主軸馬逢1 2,由第1數位訊號處 理裝置1 6解調离速之CD-DA訊號列,並且輪入由資訊訊 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) I — IJ I 1. 装 I n I ――訂 II I 廣 (請先閱讀背面之注意事項再填寫本頁) 13 Μ Β7 五、發明説明(11 ) 號列辨識裝置1 7所辨識之高速之CD-DA訊號列,儲存於 第1記憶裝置1 8並同時轉換鑰出檷準速度之CD-D A訊號 列之防震装置1 9 ;及,条統控制裝置1 5識別到CD-DA 訊號列以外之訊號列時*輪入由資訊訊號列辨識裝置1 7 辨識之CD-DA訊號列Μ外之訊號列,將第2記慊装置1A作 為缓衡記憶醸使用並卽時地轉換輪出數位解碼訊號列之第 2數位訊號處理裝置1B;及,輪入由防越控制裝置1 9輪 出之CD-DA訊號列,或由第2數位訊號處理裝置1B_出之 數位解碼訊號列轉捵成類比式訊號之數位-類比變換裝置 1C;而使得除了音樂CD之外,影音CD、卡拉OK CD或CD-ROM 等其他格式之CD之再生為可能,並且於再生音樂CD時,因 防震功能之作用而能防止由外在霖動所產生之跳音,可實 現適用於移動用途及汽車音響用途之耐靄功能。此外,可 於届人電臞之CD-ROM槽再生音樂CD、卡拉OK CD等,得以 利用内建於镅人«臛中之立髏喇叭享受音樂及卡拉0K,並 且也可Μ於個人霉腦之銀幕上觀看電彩及寫真集等。 經濟部中央標準局員工消費合作社印製 -----^---1 装-- (請先閲讀背面之注意事項再填寫本寊) J. Μ下參考圔面說明本發明之第2實施例。第2麵中, 由可快於榛準速度、例如2倍速回轉之主軸馬速22所回 轉之音樂CD、影音CD或卡拉OK CD等光碟2 1讀取資料之 光拾取單元23之_出之一方繪入於光學伺服器裝置24 。条統控制装置2 5,數位信號«理裝置2 6,資訊訊號 列辨識裝置27,第1記慊裝置2 8,防驪控制裝置29 ,第2記慊裝置2A· D/A變換裝置2 C:等之構成係與第1 圈相同,但與第1画之構成有極大差異的俤將第1圈之第 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 14 經濟部中央標準局員工消費合作社印製 A7 _B'7 _— 五、發明説明(12 ) 2數位訊號處理裝置1 9置換為MPEG解碼處理装置2 9 » 因此得Μ處理音樂用之CD-DA訊號列以外之訊號列之彩音 CD及卡拉OK CD等MPEG訊號列。 針對Μ上構成之本發明之第2實施例之光碟再生装置 ,以下說明其動作。首先再生音樂CD之光碟2 1時,因其 與第1 _之本發明之第1實施例所銳明之動作内容相同* 因此此處省略其說明。接著當再生影音CD及卡拉OK CD之 光碟2 1時,接收光拾取單元2 3之_出之數位訊號處理 装置26 ·開始數位訊號之解調處理,_出控制資訊及子 代碼賫訊。条統控制裝置2 5讀取控制資訊及子代碼資訊 識別MPEG訊號列,並同時監視跳軌及錯焦等条統異常情況 ,若有異常發生則對光擧伺服器裝置24發出指令進行光 拾取單元2 3及主軸馬逮2 2之回歸控制。另一方面,資 訊訊號列辨識装置27經由条統控制装置25之控制辨識 MPEG訊號列_入至MPEG解碼處理装置2 B。MPEG解瑪邃理 装置2B,將第2記慊裝置2 A作爲緬衝記憶黼使用並邸時 地解碼處理MPEG訊號列,轉捵轅出至每隔一定時間之數位 影音訊號列及數位音«訊號列。而D/A變換裝置2 (:則_入 該數位影音訊號列及數位音«訊號列,轉換成類比式彩音 訊號及音響訊號。 根據Μ上本發明之第2資施例,當音樂CD之CD-DA訊 號列以外之訊號列爲MPEG訊號列時,M MPEG解碼處理裝置 2 B取代上述本發明之第1寶施例中之第2數位訊號處理 裝置1 B,除可簡化解碼處理裝置之«路構成外,再生音 本紙張尺度適用中國國家標準(CNS ) Λ4規格(2丨ο X 297公釐) 15 (請先閲讀背面之注意事項再填寫本頁) ----------Y 装------訂------^ τ 1 . 經濟部中央標準局員工消費合作社印製 307861 五、發明説明(13 ) 樂CD時因可作用防震功能而可防止因外來篇動而產生之跳 音,提供穩定之移動式影音光碟檐及汽車彩音光碟檐等。 Μ下參考圈面說明本發明之第3實施例。第3画之方 塊圖中,3 1係表示光碟,音樂CD或CD-ROM。主軸馬達 32,光拾取單元33,光學何服器裝置34 *条統控制 裝置35,數位訊號處理装置36,賫訊訊號列辨識装置 37,第1記憶裝置38,防麄控制裝置39,第2記慊 装置3 A,D/A變捵装置3 C等構成係與第1鼸相同,與第 1圈之構成有極大差異處為將第2數位訊號處理裝置1b 置捵為CD-ROM解碼處理裝置3B,由此音樂用之CD-DA訊號 列K外之訊號列可處理CD-ROM訊號列。 針對Μ上構成之本發明之第3光碟再生裝置,W下說 明其動作。首先再生音樂CD之光碟3 1時,因其與第1圖 之本發明之第1實施例所說明之動作内容相同,因此此處 省略其說明。接著當再生CD-ROM之光碟31時,數位訊號 處理裝置36,開始數位訊號之解調處理,_出控制資訊 及子代碼賫訊。集統控制裝置3 5讀取控制資訊及子代碼 資訊諏別到CD-ROM訊號列時,Μ快於檷準逋度快速回轉驅 動主軸馬達32,並同時監視跳軌及錯焦等糸統異常情況 ,若有異常發生則對光學伺顧器裝置34發出指令進行光 拾取單元3 3及主軸馬達32之回歸控制。另一方面,資 訊訊號列辨識裝置3 7經由条統控制裝置3 5之控制辨識 高速之CD-ROM訊號列_入至CD-ROM解碼處理裝置3Β。CD-R0H解碼處理裝置3B*將第2記慊装置3A作為鑲街記慷鱺 本紙張尺度適用中國國家標準(CNS ) A4規格(210 X 297公犛} 16 -----:---一装— (請先閱讀背面之注意事項再填寫本页) 訂 經濟部中央梯準局員工消費合作社印製 Λ7 B7 __ 五、發明説明(14 ) 使用並即時地解碼處理高速之CD-ROM訊號列,轉換綸出至 CD-ROM賫料訊號列。 根據Μ上本發明之第3資施例,當音樂CD之CD-D A訊 號列Μ外之訊號列爲CD-ROM訊號列時,MCD-R0M解碼處理 裝置3B取代第1_之本發明之第1實施例中之第2數位訊 號處理装置1B,除可大幅度籣化解碼處理装置之霣路構 成外,再生音樂CD時因可作用防露功能而可防止因外來琛 動而產生之跳音,提供穩定之可再生音樂CD之CD-ROM槽, 特別是可於内建立黼喇叭之傭人霄騸上實現該優秀之附加 功能。 上逑各實施例中,主轅馬連之回轉數雖例示為檷_速 度之2倍速,但不一定限定於2倍速*可任意地設定倍速 ,此外當第1記憶装置18、 28及38之記慊體快飽和 時只需回到檷準速度即可。 此外上述第1或第3實施例中之處理方法並不限定為 各實施例中所示之物件,亦可組合使用各實施例中之處理 方法。 笛然,本發明亦可適用於可記錄再生之光碟裝置之再 生部份。 如Μ上所說明之本發明之光碟再生裝置其係包含有: 載置固定光碟並使其回轉驅動之主軸馬逮;及*對準光束 之焦點於光碟之賫料記錄面上繽取記錄於光欞之數位訊铖 之光拾取單元;及,解阙由光拾取單元轜出之數位訊號之 笫1數位訊號處理裝置;及,進行主軸馬逵之回轉控制及 本紙張尺度適用中國國家標準(CNS ) Α4規格(210X297公.聲) (請先閱讀背面之注意事項再填寫本頁) 訂 17 經濟部中央標準局員工消費合作杜印袈 A 7 B7 __ 五、發明説明(15) 光拾取單元之光學控制之光學伺服器裝置;及,_入由第 1數位訊號處理装置鑰出之控制資訊及子代碼資訊,控制 光學何服器裝置並識別其為CD之基本格式之CD-DA訊號列 或為CD-DA訊铖列Μ外之訊號列而發出讖別指令,若識別 為CD-DA訊號列時,Μ快於檫_之速度回轉驩動主軸馬逹 ,於第1數位訊號處理装置中解調高速之CD I) Α訊號列, 或由第1數位訊號處理裝置之_出有異常情況發生時,饞 出異常發生指令*由該異常發生指令控制光學伺服器裝置 將光拾取單元存取於異常發生前之位置,而窖第1數位訊 號處理装置之輪出回復至異常發生前之狀朦畤輪出正常回 後指令之条統控制裝置;及,將第1數位訊號處理裝置所 輪出之CD-DA訊號列及CD-DA訊號列Μ外之訊號列由条統控 制裝置之識別指令辨識之資訊訊號列辨識裝置;及•条統 控制裝置識別到CD-DA訊號列時依該指令轅入由資訊訊號 列辨識裝置辨識之离速之CD-DA訊號列,儲存於第1記憶 裝置並同時轉換鎗出檷準速度之CD-DA訊號列,並且由条 統控制裝置之異常發生指令停止對CD__DA訊號列之第1記 慊裝置之蓄積,由条統控制裝置之正常回歸指令再度開始 對第1記慊装置之番稹之防贜控制裝置;及 > 条統控制装 置識別到CD-DA訊號列Μ外之訊號列時,依該指令鎗入由 資訊訊號列辨識装置辨識之CD-DA訊號列Μ外之訊號列, 將第2記慊裝置作爲鍰衝記慊黼使用並卽時地轉換輪出成 數位解碼訊號列之第2數位訊號處理裝置;及,輸入由防 霉控制装置_出之CD-DA訊號列,或由第2數位訊號處理 本紙張尺度適用中國國家標準(CNS ) Λ4規格(210X 297公釐) 18 ; - | 装 訂 ^ (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 A 7 B7 五、發明説明(16 ) 裝置輪出之數位解碼訊號列轉換成類比式訊號之數位-類 比變捵裝置。 因此,除了音樂CD之外,彩音CD、卡拉OK CD或CD-ROM等其他格式之CD之再生為可能,並且於再生音樂CD時 *因防霖功能之作用而能防止由外在震動所產生之跳音, 可貢現適用於移動用途及汽車音響用途之耐贌功能。 此外,可於個人電腦之CD-ROM槽再生音樂CD、影音CD 或卡拉OK CD等,得Μ利用内癱於艏人電腦中之立龌喇叭 享受音樂及卡拉0Κ,並且也可Μ於偏人«腦之鎇幕上觀看 霣影及寫真集等。 此外,當音樂CD之CD-DA訊號列以外之訊號列為MPEG 訊號列時《 KMPEG解碼處理裝置取代第2數位訊號處理装 置,除可簡化解碼處理裝置之《路構成外,再生音樂CD時 因可作用防震功能而可防止因外來震動而產生之跳音,提 供穩定之移動式彩音光碟機及汽車彩音光磯櫥等。 並且,當音樂CD之CD-DA訊铖列Μ外之訊號列為CD-ROM訊號列時,K CD-ROM解碼處理裝置取代第2數位訊號 處理裝置,除可大輻度簡化解碼處理裝置之電路構成外, 再生音樂CD時因可作用防震功能而可防止因外來籐動而產 生之跳音,提供樋定之可再生音樂CD之CD-ROM榷,特別是 可於内建立鼸W叭之掴人«臞上貢現該優秀之附加功能。 圓面之籣單說明 第1圖係本發明之第1實施例之光磯再生裝置之方塊 函。T Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs Α7 Β7 V. Description of Invention (9) Control of the control device 15 and transfer this high-speed CD-DA signal train to the anti-vine control device 1 9. On the other hand, the anti-vibration control device 19_into the high-speed CD-DA signal line is stored in the first recording device 18 to read first, and the first to read from the W-in data, and then turn_out into a standard-speed CD -DA signal line. The D / A conversion device 1C converts the CD-DA signal train with accurate speed into an analog audio signal. When the system control device 15 detects and traces abnormal conditions such as track or out of focus, it immediately controls the optical server device 14, the magnetic track position before the CD-DA signal line is interrupted begins to survive again, and the anti-shock control device 1 9 The output command of abnormal occurrence. After the anti-tanning control device 19 receives the command for abnormal occurrence, it stops the input of the CD-DA signal sequence of the speed signal recognition device 17 from the Xia signal, except for terminating the first memory device 18 The quasi-speed CD-DA signal sequence is turned over by the first note device 18 and controlled so that the music is not interrupted. Also, the time distribution stored in the first record of the unit ’s 18th standard speed, even if the CD-DA signal line is not re-entered, the reproduced music will not be interrupted halfway. After the re-access procedure is completed within this time, after the normal magnetic track position is regenerated * The system control device 15 issues a normal return command to the anti-shock control device 19, and at the same time, the anti-dew control device 19 re-identifies the information signal sequence again The rotation of the CD-DA signal sequence of device 17 is started, and the first note of device 18 is started. Then, after reproducing the CD-ROM 11 outside the CDM of the music, the first digital signal processing device 16 starts the demodulation process of the digital signal, _Sub control control information and code information. The integrated control device 15 takes control information and subcode information to identify it as a signal sequence other than the CD-DA signal sequence Μ, and monitors the track jumper. The paper standard uses the Chinese National Standard (CNS) Α4 specification (210 >: 297 Mm) 12 -----.--- ^ Outfit ------ Order ------ Α (please read the notes on the back before filling out this page) Employee consumption of the Central Escalation Bureau of the Ministry of Economic Affairs Cooperative cooperative printing Λ 7 Β7 V. Description of the invention (10) and misalignment and other abnormalities of the system, if any abnormality occurs, it issues a command to the light lift server device 14 to perform the optical pickup unit 1 3 and the spindle motor 1 2 Return control. On the other hand, the «signal sequence identification device 17 recognizes the signal sequence outside the CD-DA signal sequence M through the control of the system control device 15 to the second digital signal processing device 1B. The second digital signal processing device 1B uses the second memory device 1A as a reloading memory and decodes the signal sequence other than the CD-DA signal sequence, and converts it into a digital decoded signal sequence. The D / A conversion device 1 C_human decodes the digital signal sequence and converts it into an analog signal. According to this embodiment on Μ, because it is provided with: a spindle motor 12 that mounts the optical disc 11 and drives it to rotate; and, the focus of the light beam is read on the data recording surface to adjust the digital signal recorded on the optical disc 11 Optical pickup unit 13; and, an optical servo device 14 that performs rotation control of the spindle motor 12 and optical control of the optical pickup unit 13; and, decodes the first digit of the digital signal output by the optical pickup unit 13_ Signal processing device 16; and, input control information and subcode information from the first digital signal processing device 1.6_, control the optical server device 14 and discriminate it as a CD of the basic format of CD 1 1 -DA signal line or system control device 15 of the signal line other than the CD DA signal line M; and, the CD-DA signal line and the CD-DA signal line M from the first digital signal processing device 16 The external signal sequence is identified by the information command sequence identification device 17 of the system control device 15; and, when the system control device 15 recognizes the CD-DA signal sequence, Μ is faster than the speed of rotation. Spindle Ma Feng 1 2, demodulate the CD-DA signal sequence of the off-speed by the first digital signal processing device 16, The paper standard of China Information Standards (CNS) A4 (210X297mm) I-IJ I 1. Pack I n I-order II I wide (please read the precautions on the back before filling in this book) Page) 13 Μ Β7 V. Description of the invention (11) The serial recognition device 17 recognizes the high-speed CD-DA signal sequence, which is stored in the first memory device 18 and simultaneously converts the key to the CD-DA of the normal speed Anti-vibration device 1 9 in the signal line; and, when the system control device 15 recognizes a signal line other than the CD-DA signal line, * involves a signal outside the CD-DA signal line M recognized by the information signal line identification device 1 7 The second digital signal processing device 1B that uses the second recording device 1A as a buffer memory and converts the digital decoded signal rounds in a round-robin fashion; -DA signal train, or the digital-analog converter 1C converted from the digital decoded signal train output by the second digital signal processing device 1B_ into an analog signal; so that in addition to music CDs, audio-visual CDs, karaoke CDs or It is possible to regenerate CDs of other formats such as CD-ROM, etc. The role and function can be prevented by the movable external Lin arising sound skip may be applied to achieve the purposes and functions of the mobile MARGARET resistant car audio PURPOSE. In addition, music CDs, karaoke CDs, etc. can be reproduced in the CD-ROM slot of this session, so that you can enjoy music and karaoke 0K with the built-in horns in the americium «Xinzhong, and you can also use it in your personal brain Watch TV and photo albums on the screen. Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs ----- ^ --- 1 Packed-- (Please read the precautions on the back before filling in this document) J. Μ under the reference to explain the second implementation of the present invention example. In the second side, the optical pickup unit 23 that reads data from the optical disc 21 that can be rotated faster than the hazel quasi-speed, such as a spindle rotating at a speed of 2 times the speed 22, a music CD, an audio CD, or a karaoke CD 21 One side is drawn in the optical server device 24. System control device 25, digital signal processing device 26, information signal sequence identification device 27, first note device 28, anti-clutter control device 29, second note device 2A · D / A conversion device 2C : The composition of the same is the same as the first circle, but it is very different from the composition of the first painting. If the first paper size of the first circle is applied to the Chinese National Standard (CNS) A4 specification (210X297 mm) 14 Central Ministry of Economic Affairs A7 _B'7 _ printed by the Staff Consumer Cooperative of the Bureau of Standards V. Description of the invention (12) 2 Digital signal processing device 1 9 is replaced by MPEG decoding processing device 2 9 »Therefore, the CD-DA signal for music processing is not included MPEG signal series such as color audio CD and karaoke CD in the signal series. With respect to the optical disc reproducing apparatus of the second embodiment of the present invention constructed on M, the operation will be described below. First, when reproducing the music CD disc 21, since it is the same as the sharp operation content of the first embodiment of the present invention of the first embodiment, the description thereof is omitted here. Then, when the optical disc 21 of the audio-visual CD and karaoke CD is reproduced, the digital signal processing device 26 of the receiving optical pickup unit 23 starts the demodulation processing of the digital signal, and outputs control information and subcode information. The system control device 25 reads the control information and subcode information to identify the MPEG signal line, and simultaneously monitors system abnormalities such as track jumps and out-of-focus. If an abnormality occurs, it sends a command to the optical lift server device 24 for optical pickup Return control of unit 2 3 and main spindle 2 2. On the other hand, the information signal sequence identification device 27 recognizes the MPEG signal sequence_into the MPEG decoding processing device 2B through the control of the system control device 25. MPEG solution device 2B, the second device 2A is used as a Burmese memory device and decodes and processes the MPEG signal sequence at the time, and turns it out to a digital audio signal sequence and digital audio every certain time « Signal line. The D / A conversion device 2 (: then _ into the digital audio and video signal line and digital audio «signal line, converted into analog color audio signals and audio signals. According to the second embodiment of the present invention on Μ, as a music CD When the signal sequence other than the CD-DA signal sequence is the MPEG signal sequence, the M MPEG decoding processing device 2 B replaces the second digital signal processing device 1 B in the first embodiment of the present invention described above, except that the decoding processing device can be simplified «In addition to the road structure, the paper scale of the regenerated audiobook is applicable to the Chinese National Standard (CNS) Λ4 specification (2 丨 ο X 297mm) 15 (Please read the precautions on the back before filling this page) -------- --Y outfit ------ order ------ ^ τ 1. Printed 307861 by the employee consumer cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of the invention (13) The anti-shock function can prevent the music CD Jumping sounds generated by external movements provide stable mobile audio-visual disc eaves and automotive color audio-visual disc eaves, etc. The third embodiment of the present invention will be described below with reference to the circle surface. Indicates optical disc, music CD or CD-ROM. Spindle motor 32, optical pickup unit 33, optical server device 34 * Control system 35, digital signal processing device 36, streak signal sequence identification device 37, first memory device 38, anti-noise control device 39, second memory device 3 A, D / A change device 3 C, etc. The same as the first mule, and the difference from the first lap is that the second digital signal processing device 1b is set as the CD-ROM decoding processing device 3B, so that the CD-DA signal for music is a signal other than K The CD-ROM signal line can be processed. For the third disc reproduction device of the present invention formed on M, the operation will be described below. First, when reproducing the music CD disc 31, it is the same as the first figure of the present invention. 1 The operation content described in the first embodiment is the same, so its description is omitted here. Then, when the optical disc 31 of the CD-ROM is reproduced, the digital signal processing device 36 starts the demodulation processing of the digital signal, and outputs control information and subcodes. The integrated control device 35 reads the control information and subcode information to the CD-ROM signal line, and M drives the spindle motor 32 faster than the standard speed, and simultaneously monitors the track jump and out of focus. System abnormality, if abnormality occurs, install the optical servo Set 34 to issue a command to perform the return control of the optical pickup unit 3 3 and the spindle motor 32. On the other hand, the information signal sequence recognition device 37 recognizes the high-speed CD-ROM signal sequence_into the CD through the control of the system control device 35 -ROM decoding processing device 3B. The CD-R0H decoding processing device 3B * uses the second recording device 3A as a street-marking generous paper. The paper size is in accordance with the Chinese National Standard (CNS) A4 specification (210 X 297 male yak) 16- ---: --- One Pack— (Please read the precautions on the back before filling in this page) Printed Λ7 B7 __ Printed by the Employee Consumer Cooperative of the Central Escalation Bureau of the Ministry of Economy __ V. Invention Instructions (14) Use and decode in real time Handle high-speed CD-ROM signal train and convert it to CD-ROM feeder signal train. According to the third embodiment of the present invention on M, when the CD-D A signal row of the music CD is outside the CD-ROM signal row, the MCD-ROM decoding processing device 3B replaces the first invention of the present invention. The second digital signal processing device 1B in the first embodiment, in addition to being able to greatly simplify the configuration of the decoded processing device, can prevent the jump caused by external movement due to the anti-dew function when playing music CDs. Audio, provide a stable CD-ROM slot for reproducible music CDs, especially to achieve this excellent additional function on Xiao Mai, a maid with built-in horn speakers. In the above embodiments, although the number of revolutions of the main shaft horse is exemplified as 2 times the speed of 户 _speed, it is not necessarily limited to 2 times the speed *. The double speed can be set arbitrarily, in addition, the first memory device 18, 28 and 38 Just return to the standard speed when the body is nearly saturated. In addition, the processing method in the first or third embodiment described above is not limited to the objects shown in each embodiment, and the processing methods in each embodiment may be used in combination. Deran, the present invention can also be applied to the regenerative part of a disc device that can record and reproduce. The disc regeneration device of the present invention as described on Μ includes the following: a spindle that mounts a fixed disc and drives it to rotate; and * the focus of the beam is recorded on the disc recording surface of the disc. The optical pickup unit of the digital signal of the optical frame; and, the first digital signal processing device of the digital signal extracted from the optical pickup unit; and, the rotation control of the main shaft of the spindle and the paper standard are applicable to the Chinese National Standard (CNS) Α4 specifications (210X297 male. Sound) (please read the precautions on the back before filling in this page) Order 17 Employee Consumer Cooperation of the Central Bureau of Standards of the Ministry of Economic Affairs Du Yinhua A 7 B7 __ V. Invention description (15) Optical pickup unit The optical server device to be controlled; and, the control information and subcode information input by the first digital signal processing device key to control the optical server device and recognize it as the CD-DA signal line of the basic format of the CD or If the CD-DA signal is recognized as a CD-DA signal line, if it is recognized as a CD-DA signal line, the speed of M will be faster than the speed of _, and the spindle will be rotated, and it will be solved in the first digital signal processing device. Speed up CD I) Α signal line, or when an abnormality occurs from the first digital signal processing device, an abnormality occurrence instruction is issued * The abnormality occurrence instruction controls the optical server device to access the optical pickup unit to the abnormality occurrence The previous position, and the round-out of the first digital signal processing device of the cellar returns to the state control device before the abnormal occurrence of the normal command after the normal round-off; and, the CD of the round of the first digital signal processing device -Information signal line identification device recognized by the identification command of the system control device for the DA signal line and the CD-DA signal line M; and • The system control device recognizes the CD-DA signal line according to the command when entering The CD-DA signal sequence of the speed discerned by the information signal sequence recognition device is stored in the first memory device and simultaneously converts the gun to the CD-DA signal sequence of the normal speed, and the abnormal control command of the system control device stops the The accumulation of the first record device of the CD__DA signal line is resumed from the normal return command of the system control device to the anti-failure control device of the first record device of the first record device; and> The control device recognizes the CD-DA News When the signal sequence outside the column M is entered, the signal sequence outside the CD-DA signal sequence recognized by the information signal sequence recognition device is fired according to the instruction, and the second recording device is used as an impulse recording device and converted in time Turn out into the second digital signal processing device of the digital decoding signal line; and, input the CD-DA signal line from the mold control device _, or process the second digital signal. This paper standard is applicable to the Chinese National Standard (CNS) Λ4 Specifications (210X 297 mm) 18;-| Binding ^ (please read the notes on the back before filling this page) A 7 B7 printed by the Staff Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 5. Description of invention (16) The device is out The digital decoded signal line is converted into an analog-to-digital analog-to-analog device. Therefore, in addition to music CDs, color CDs, karaoke CDs, CD-ROMs, and other formats of CDs are possible to reproduce, and when regenerating music CDs * can be prevented from being caused by external vibration due to the function of the anti-lin function It can be used for mobile applications and car audio applications. In addition, music CDs, audio-visual CDs, or karaoke CDs can be reproduced in the CD-ROM slot of the personal computer, so that you can enjoy music and karaoke by using the standing speakers in the forensic computer, and you can also be biased. «Watch the pictures and photo albums on the screen of the brain. In addition, when the signal sequence other than the CD-DA signal sequence of the music CD is the MPEG signal sequence, the "KMPEG decoding processing device replaces the second digital signal processing device. It can act as an anti-vibration function to prevent the jumping sound caused by external vibration, and provide a stable mobile color audio CD player and car color audio light cabinet. In addition, when the signal other than the CD-DA signal line M of the music CD is listed as the CD-ROM signal line, the K CD-ROM decoding processing device replaces the second digital signal processing device, in addition to simplifying the decoding processing device with large radii In addition to the circuit configuration, the anti-vibration function can be used when regenerating music CDs to prevent jumps caused by foreign rattan movements. A CD-ROM for reproducible music CDs can be provided. In particular, slaps of slap W People «臞 上 贡 presents this excellent additional function. Description of the Round Sheet List Figure 1 is a block diagram of a light regeneration device of the first embodiment of the present invention.

本紙張尺度適用中國國家標準(CNS ) A4規格(2!0 <297公釐I ---.--;---一农-- (請先閱讀背面之注意事項再填寫本頁) 訂This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (2! 0 < 297mm I ---.--; --- Yinong-- (please read the precautions on the back and fill in this page)

J 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(17 ) 第2_係同樣為第2寶施例之光碟再生裝置之方塊酾 Ο 第3麵係同樣為第3資施例之光碟再生裝置之方塊匾 Ο 第4圔俤習知例之光«再生裝置之方塊匯。 第5圈係其他習知例之光碟再生装置之方瑰矚。 元件檷《對照 IA. 2A.3A——第2記憶装置 IB. ...第2數位解碾處理裝置 IC. 2C.3C——D/A變換裝置 2B. .. .MPEG解碼處理裝置 3B____CD-ROM解碼處理装置 1 1、2 1,3 1——光碟 12、 22,32——主軸馬連 13、 23,33....光拾取單元 14、 24,34....光學何服器裝置 15、 25,35....条统控制装置 1 6 ....第1數位龈號處理裝置 17、 27,37....資訊訊铖列辨嫌装置 18、 28,38——第1記慊装置 19、 29,39——防震控制裝置 20、 36____數位訊彍處理裝置 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 20 ---.-----.«1^------ir------^ (請先閲讀背面之注意Ϋ項再填寫本S)J A7 B7 printed by the Staff Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of the invention (17) The second part is the square of the disc reproduction device which is also the second treasure embodiment. The third side is also the third embodiment Block plaque of the optical disc regeneration device Ο The fourth block of the light of the conventional example «The block assembly of the regeneration device. The fifth circle is the highlight of other conventional disc reproduction devices. Element "Control IA. 2A.3A-2nd memory device IB ... 2nd digital de-grinding processing device IC. 2C.3C-D / A conversion device 2B ... MPEG decoding processing device 3B ____ CD- ROM decoding processing device 1 1, 2 1, 3 1-optical disc 12, 22, 32-spindle coupling 13, 23, 33 ... optical pickup unit 14, 24, 34 ... optical server device 15, 25, 35 .... Serial control device 1 6 ... The first digital gingival number processing device 17, 27, 37 .... Information information identification device 18, 28, 38-No. 1 Recording device 19, 29, 39-anti-shock control device 20, 36____ digital information processing device This paper standard is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 20 ---.----- . «1 ^ ------ ir ------ ^ (Please read the note Ϋ on the back before filling in this S)

Claims (1)

經濟部中央標準局貝工消費合作社印製 Α8 Β8 C8 D8 六、申請專利範圍 M- 1. 一種,其包含有:載置画定光磡並使其回轉 驅動之感建; 對準光柬多ΐί貼於上述光碟之資料記錄面上讀取 記錄於上述光碟之數位訊蹌之光拾取單元; 解讕由上述光拾取單元_出之»位訊號之第1數 位訊號處理裝置; 進行上述主麯馬達之圓轉控制及上述光拾取單元 之光學控制之光荸何服器裝置; _入由上述第1數位諷铖處理裝置_出之控制資 * 訊及子代碼資訊,控制上述光學何服器裝置並識別其 為CD之基本格式之CD-DA訊號列或爲上述CD-DA訊號列 以外之訊號列而發出識別指令,若雄別爲上迷CD -DA 訊號列時,Μ快於檷準之速度回轉驅動上逑主鞴馬達 ,於上述第1數位訊號處理裝置中解調离逮之CD-DA 訊號列,或由上逑第1數位訊嫌處理装置之輪出有異 常情況發生時,_出異常發生指令,由該異常發生指 令控制上逑光學伺雇器裝置將光拾取單元存取於異常 發生前之位置,而當上迷第1數位訊號處理裝置之Μ 出回復至異常發生前之狀臁時_出正常回復指令之条 統控制装置; 將上述第1數位訊鷥處理装置所輸出之上述CD-DA 訊狭列及上述CD-DA訊钱列Μ外之訊«列由上述糸統 控制装置之識別指令辨識之資訊訊號列辨織裝置; 上述条統控制裝置雄别到上述CD-DA訊號列 本紙張尺度適用中國國家標搫(CNS〉A4規格(210X29T公釐) 21 ml 1^1 m tm n^i 1H nn n (請先閱讀背面之注意事項再填寫本頁) 訂 3J7S61 8 8 8 8 ABCD 經濟部中央標準局貝工消費合作社印製 六、申請專利範圍 時依該指令輸入由上述資訊訊猇列辨雄装置辨雄之上 述高速之CD-DA訊號列,儲存於第1記憶裝置並同時 轉換_出檷準速度之上述CD-DA訊號列,並且由上述 条統控制裝置之異常發生指令停止對上迷CD-DA訊號 列之上述第1記億装置之替稹,由上述条統控制装置 之正常回歸指令苒度開始對上逑第1記慊裝置之蓄稱 之防震控制装置; 上述条統控制裝置識別到上述CD-DA訊虢列以外 之訊號列時,依該指令輸入由上逑資訊訊號列辨讖裝 置辨識之上述CD-DA訊號列Μ外之訊號列,將第2記 慊裝置作爲緩衝記慷醱使用並即畤地轉捵輸出成數位 解碼訊號列之第2數位訊號處理装置;及,輪入由上 述防霉控制裝置鑰出之上逑CD-DA訊號列,或由上述 第2數位訊號處理裝置轅出之上述數位解鵰訊號列轉 捵成類比式訊號之數位-類比變換裝置。 2. 如申請專利範圃第1項記載之光碟再生裝置;其中, 該CD-DA訊號列以外之訊號列為MPEG訊號列時,以MPEG 解碼處理装置取代第2數位訊號«理裝置之光碟再 生装置。 3. 如申請專利範圜第1項記載之光碟再生裝置;其中, ,該CD-DA訊號列Μ外之訊號列為CD-ROM訊號列,將 主軸馬連Μ快於檷準速度_轉驅動,糸統控制裝置由 第1數位訊號處理裝置輪出高速之CD-ROM訊號列,並 且以CD-ROM解碼處理裝置取代第2數位訊號處理装置 之光碟再生装置。 I I— II * - 1— ^ n I -aJ-私 I— I (請先閲讀背面之注意事項再填寫本頁) 訂 •·I HI IJ- 本紙張尺度逋用中國國家標準(CNS ) A4規格(2!0Χ297公釐) ΊΊΓ1Printed by the Beigong Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs Α8 Β8 C8 D8 6. Application for patent scope M- 1. One kind, which includes: the sense of setting the painting and fixing the light and rotating it; An optical pickup unit affixed to the data recording surface of the optical disc to read the digital information recorded on the optical disc; the first digital signal processing device that decodes the »bit signal output by the optical pickup unit; performs the main song motor Rotation control and optical control device of optical control of the above optical pickup unit; _Introduction of control information * and subcode information from the above-mentioned first digital processing device_to control the above optical device And recognize that it is the basic format of the CD-DA signal sequence of the CD or issue a recognition command for the signal sequence other than the above-mentioned CD-DA signal sequence, if the male is not addicted to the CD-DA signal sequence, M is faster than the standard When the speed is driven to drive the upper main motor, demodulate the missing CD-DA signal line in the above-mentioned first digital signal processing device, or if an abnormal situation occurs due to the round of the first digital signal processing device, _ An exception occurs In order to control the upper optical servo device to access the optical pickup unit at the position before the abnormality by the abnormality generation instruction, and when the M of the first digital signal processing device returns to the state before the abnormality occurred _System control device for normal reply command; the above-mentioned CD-DA signal line and the above-mentioned CD-DA signal line output by the first digital signal processing device are listed by the above-mentioned control system Recognition command to identify the information signal line weaving device; the above-mentioned control device is distinguished from the above CD-DA signal list. The paper standard is applicable to the Chinese national standard (CNS> A4 specification (210X29T mm) 21 ml 1 ^ 1 m tm n ^ i 1H nn n (Please read the precautions on the back before filling in this page) Order 3J7S61 8 8 8 8 ABCD Printed by the Beigong Consumer Cooperative of the Central Standards Bureau of the Ministry of Economy The high-speed CD-DA signal line of the distinguished male device is stored in the first memory device and converted at the same time to the CD-DA signal line of the normal speed. Stop the replacement of the above-mentioned 100 millionth device listed on the CD-DA signal, and start the normal anti-shock control device for the first one of the previous control device from the normal return command of the above-mentioned control device; When the system control device recognizes the signal sequence other than the above-mentioned CD-DA signal sequence, input the signal sequence outside the above-mentioned CD-DA signal sequence M recognized by the upper information signal sequence identification device according to the instruction, and record the second The device is used as a buffer for generous use and is instantly converted into a second digital signal processing device that outputs a digital decoded signal sequence; and, it turns into the CD-DA signal sequence from the key output of the above mold control device, or The digital-analog conversion device that converts the above-mentioned digital de-engraving signal sequence outputted by the second digital signal processing device into an analog signal. 2. The optical disc reproduction device as described in Item 1 of the patent application; where the signal other than the CD-DA signal column is an MPEG signal column, replace the second digital signal with the MPEG decoding processing device. Device. 3. For example, the optical disc reproduction device described in item 1 of the patent application; where, the signal outside the CD-DA signal line M is listed as the CD-ROM signal line, and the spindle coupling is faster than the normal speed_rev drive, The system control device rounds out the high-speed CD-ROM signal train from the first digital signal processing device, and replaces the optical disc reproduction device of the second digital signal processing device with the CD-ROM decoding processing device. II— II *-1— ^ n I -aJ-private I— I (please read the precautions on the back before filling in this page) Order • · I HI IJ- This paper scale adopts the Chinese National Standard (CNS) A4 specification (2! 0Χ297mm) ΊΊΓ1
TW085106799A 1995-06-07 1996-06-06 TW307861B (en)

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US5414684A (en) * 1992-01-24 1995-05-09 Pioneer Electronic Corporation Method and apparatus for discriminating type of disks positioned on a CD player

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CN1144375A (en) 1997-03-05
KR100217698B1 (en) 1999-09-01
KR970003057A (en) 1997-01-28
JPH08335364A (en) 1996-12-17
CN1101046C (en) 2003-02-05

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