KR20050056553A - Dvd-rw with hdd for controlling lipsync of audio optical output and method thereof - Google Patents

Dvd-rw with hdd for controlling lipsync of audio optical output and method thereof Download PDF

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KR20050056553A
KR20050056553A KR1020030089583A KR20030089583A KR20050056553A KR 20050056553 A KR20050056553 A KR 20050056553A KR 1020030089583 A KR1020030089583 A KR 1020030089583A KR 20030089583 A KR20030089583 A KR 20030089583A KR 20050056553 A KR20050056553 A KR 20050056553A
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dvd
video signal
signal
audio
hdd
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KR1020030089583A
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Korean (ko)
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박상도
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주식회사 대우일렉트로닉스
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Publication of KR20050056553A publication Critical patent/KR20050056553A/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2368—Multiplexing of audio and video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/2625—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for delaying content or additional data distribution, e.g. because of an extended sport event
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10833—Copying or moving data from one record carrier to another
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/40—Combinations of multiple record carriers
    • G11B2220/45—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup
    • G11B2220/455—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup said record carriers being in one device and being used as primary and secondary/backup media, e.g. HDD-DVD combo device, or as source and target media, e.g. PC and portable player

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

본 발명은 HDD를 구비한 DVD-RW 장치에서 녹화시 음성 광출력 동기 불일치 제어장치 및 방법에 관한 것이다. 즉, 본 발명은 HDD를 구비한 DVD-RW장치에서 녹화시 음성 광출력 신호의 동기를 제어 시, DVD 재생되는 영상신호가 녹화를 위해 영상처리되는 소요시간만큼 음성 광신호 출력을 지연시켜 상기 DVD 재생 영상신호의 동기가 맞도록 제어함으로써, 사용자에게 재생 영상신호와 동기가 맞는 보다 향상된 음질의 광출력을 제공할 수 있게 된다.The present invention relates to an apparatus and method for controlling audio optical output synchronization mismatch during recording in a DVD-RW device having an HDD. That is, according to the present invention, when controlling the synchronization of the audio optical output signal during recording in the DVD-RW device having an HDD, the output of the audio optical signal is delayed by the time required for the video processing to record the DVD. By controlling the synchronization of the reproduced video signal, it is possible to provide a user with an improved sound quality light output that is synchronized with the reproduced video signal.

Description

음성 광출력 동기 불일치를 제어하는 ＨＤＤ를 구비한 ＤＶＤ-ＲＷ장치 및 방법{DVD-RW WITH HDD FOR CONTROLLING LIPSYNC OF AUDIO OPTICAL OUTPUT AND METHOD THEREOF}DVD-RW WITH HDD FOR CONTROLLING LIPSYNC OF AUDIO OPTICAL OUTPUT AND METHOD THEREOF

본 발명은 DVD-RW(Digital Video Disc-Read Write) 장치에 관한 것으로, 특히 HDD(Hard Disk Drive)를 구비한 DVD-RW 장치에서 녹화시 음성 광출력 동기 불일치 제어장치 및 방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a DVD-RW (Digital Video Disc-Read Write) device, and more particularly, to an apparatus and method for controlling audio optical output synchronization mismatch during recording in a DVD-RW device having a hard disk drive (HDD).

통상적으로 DVD-RW 장치는 고화질 영상 데이터가 기록된 DVD를 재생할 수 있도록 하며, DVD 데크(Deck)에 장착된 디스크에 외부에서 입력되는 DVD 스트림 데이터에 대한 기록도 가능하도록 한 장치로, 고화질 영화를 감상 및 고화질 영화를 CD로 보관하고자하는 사용자들의 욕구에 따라 그 수요가 지속적으로 증가하는 추세에 있다. In general, a DVD-RW device is capable of playing a DVD recorded with high-definition image data. Also, a DVD-RW device is a device that enables recording of DVD stream data input externally to a disc mounted on a DVD deck. The demand is continuously increasing according to the desire of users who want to watch and store high-definition movies on CD.

상기 DVD-RW 장치는 지속적인 가정내 보급 증가세에 따라 현재는 고화질 영화 재생 및 기록 기능 뿐만 아니라 대용량의 영화 데이터를 저장시킬 수 있는 HDD를 구비시키는 등의 다양한 부가기능들의 개발도 활발히 진행되어 보다 다양한 부가기능을 구비한 복합기기로 발전하고 있다. As the DVD-RW device continues to grow in the home, various additional functions such as having a high-definition movie playback and recording function as well as an HDD capable of storing a large amount of movie data are actively developed. Evolving into a multifunctional device with functions.

한편, 상기와 같이 HDD를 구비한 DVD-RW장치에서는 DVD를 재생하면서, DVD 재생신호를 HDD에 녹화하고자 하는 경우 영상부분은 AD-DA 과정을 거쳐 신호의 지연이 발생하게 된다. 하지만 녹화하면서 외부 기기에 음성 광출력을 연결해 놓은 상태로 시청을 하는 경우 DVD에서 출력되는 음성 광출력은 바로 지연없이 출력되기 때문에 영상신호와 시간차가 발생하여 동기가 맞지 않는 문제점이 있었다.On the other hand, in the DVD-RW apparatus having an HDD as described above, when the DVD is to be recorded on the HDD while the DVD is being played, the video portion undergoes an AD-DA process, resulting in signal delay. However, when watching a video with audio light output connected to an external device while recording, the audio light output from the DVD is output without delay. Therefore, there is a problem that synchronization occurs due to a time difference with the video signal.

따라서, 본 발명의 목적은 HDD(Hard Disk Drive)를 구비한 DVD-RW 장치에서 녹화시 음성 광출력 동기 불일치 제어장치 및 방법을 제공함에 있다.Accordingly, an object of the present invention is to provide an apparatus and method for controlling audio optical output synchronization mismatch during recording in a DVD-RW device having a hard disk drive (HDD).

상술한 목적을 달성하기 위한 본 발명은 음성 광출력 동기 불일치 제어하는 HDD를 구비한 DVD-RW장치로서, DVD 디스크로부터 재생되는 영상신호를 디코딩하여 출력시키는 디코더부와, 녹화 수행 시 상기 영상신호를 처리하여 TV 수상기에 디스플레이시키며, 해당 영상신호를 엠펙 압축하여 HDD에 저장시키는 엠펙부와, DVD 디스크로부터 재생되는 음성 광출력 신호를 처리하는 음성 광신호 처리부와, 음성 광신호 처리부로부터 출력되는 음성 광출력 신호를 상기 엠펙부로부터의 영상신호 처리 소요시간에 대응되는 시간만큼 지연 출력시키는 광신호 지연부와, DVD 재생 영상에 대한 HDD로의 녹화시, 상기 광신호 지연부를 제어하여 음성 광신호 처리부에서 출력되는 상기 영상신호에 대응되는 음성 광신호 출력을 상기 엠펙부에서의 영상신호 처리 소요시간만큼 지연시켜 DVD 재생 영상신호와 음성 광출력 신호의 동기가 맞도록 제어하는 마이컴,을 포함하는 것을 특징으로 한다.The present invention for achieving the above object is a DVD-RW device having an HDD for controlling audio optical output synchronization mismatch, a decoder unit for decoding and outputting a video signal reproduced from a DVD disc, the video signal during recording; An MPEG unit for processing and displaying the video signal on the TV receiver, and compressing the video signal to be stored in the HDD; an audio optical signal processing unit processing an audio optical output signal reproduced from a DVD disc; and an audio optical signal output from the audio optical signal processing unit An optical signal delay unit for delaying the output signal by a time corresponding to the time required for video signal processing from the MPEG unit, and controlling the optical signal delay unit to record the DVD playback video to the HDD and outputting the audio signal signal from the audio optical signal processor Only the video signal processing time required for outputting the audio optical signal corresponding to the video signal Delay was characterized by including a microcomputer, for controlling so that the synchronization of the DVD reproduction video signal and an audio signal light output determined.

또한 본 발명은 HDD를 구비한 DVD-RW 장치에서 녹화시 음성 광출력 동기 불일치를 방지시키는 방법으로서, (a)사용자로부터의 데크부에 장착된 DVD 디스크에 대한 녹화 요구가 있는 경우 DVD 디스크로부터 재생되는 영상신호를 디스플레이시키는 단계와, (b)재생 영상신호를 엠펙 압축하여 HDD에 저장시키는 단계와, (c)DVD 디스크로부터 재생되는 영상신호에 대응된 음성 광출력 신호를 처리하는 단계와, (d)음성 광출력 신호를 녹화시 영상신호 처리에 소요되는 시간만큼 지연시켜 DVD 재생 영상신호와 음성 광출력 신호의 동기가 맞도록 제어하는 단계,를 포함하는 것을 특징으로 한다.In addition, the present invention is a method for preventing audio optical output synchronization inconsistency during recording in a DVD-RW device having a HDD, (a) when a recording request for a DVD disk mounted on the deck unit from the user to play from the DVD disk Displaying a video signal to be displayed; (b) compressing a reproduced video signal and storing the video signal on an HDD; (c) processing an audio light output signal corresponding to a video signal reproduced from a DVD disc; and d) controlling the synchronization of the DVD reproduced video signal and the audio light output signal by delaying the audio light output signal by the time required for video signal processing during recording.

이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시 예의 동작을 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail the operation of the preferred embodiment according to the present invention.

도 1은 본 발명의 실시 예에 따른 음성 광출력 동기 불일치를 방지시키는 DVD-RW 장치의 블록 구성도이다. 상기 도 1을 참조하면, 본 발명의 DVD-RW장치는 DVD 디스크로부터 재생되는 영상신호를 디코딩하여 출력시키는 디코더부(Decoder)(102)와, 녹화 수행 시 상기 영상신호를 처리하여 TV 수상기에 디스플레이시키며, 해당 영상신호를 엠펙 압축하여 HDD(106)에 저장시키는 엠펙부(MPEG)(104)와, DVD 디스크로부터 재생되는 음성 광출력 신호를 처리하는 음성 광신호 처리부(114)와, 음성 광신호 처리부(114)로부터 출력되는 음성 광출력 신호를 상기 엠펙부(104)로부터의 영상신호 처리 소요시간에 대응되는 시간만큼 지연 출력시키는 광신호 지연부(116)와, DVD 재생 영상신호에 대응되는 음성 광신호 출력을 상기 엠펙부(104)에서의 영상신호 처리 소요시간만큼 지연시켜 DVD 재생 영상신호와 음성 광출력 신호의 동기가 맞도록 제어하는 마이컴(MICOM)(110), 등으로 구성된다.1 is a block diagram of a DVD-RW device for preventing voice optical output synchronization mismatch according to an embodiment of the present invention. Referring to FIG. 1, the DVD-RW apparatus of the present invention is a decoder 102 for decoding and outputting a video signal reproduced from a DVD disc, and processing the video signal during recording to display on a TV receiver. An MPEG unit 104 for compressing the video signal to be stored in the HDD 106, an audio optical signal processing unit 114 for processing an audio light output signal reproduced from a DVD disc, and an audio optical signal. An optical signal delay unit 116 for delaying and outputting the audio light output signal output from the processing unit 114 by a time corresponding to the video signal processing time required from the MPEG unit 104, and an audio signal corresponding to the DVD playback video signal. And a microcomputer (MICOM) 110 for delaying the optical signal output by the video signal processing time required by the MPEG unit 104 so as to synchronize the DVD reproduced video signal with the audio optical output signal.

이하 상기 도 1을 참조하여 음성 광출력 동기를 일치시키기 위한 DVD-RW 장치 각부의 동작을 보다 상세히 설명하기로 한다.Hereinafter, an operation of each part of the DVD-RW apparatus for synchronizing voice optical output synchronization will be described in detail with reference to FIG. 1.

먼저 사용자로부터 DVD-RW 장치의 데크부에 장착된 DVD 디스크에 대한 녹화 요구가 있는 경우 마이컴은 DVD 재생부(100)를 제어하여 데크부에 장착된 DVD 디스크를 재생시킨다. 그러면 상기 DVD 재생부(100)로부터 재생된 영상신호는 마이컴(110)의 제어에 따라 녹화 동작을 위해 디코더부(102)에서 디코딩 수행되어 엠펙부(104)로 인가되며, 음성신호는 AD부(108)를 통해 디지털 데이터로 변환되어 엠펙부(104)로 인가된 후, 엠펙부(104)에서 압축되어 HDD(106)에 저장되게 된다. First, when a user requests a recording of a DVD disc mounted on the deck of the DVD-RW device, the microcomputer controls the DVD player 100 to play the DVD disc mounted on the deck. Then, the video signal reproduced from the DVD player 100 is decoded by the decoder 102 and applied to the MPEG unit 104 for the recording operation under the control of the microcomputer 110, and the audio signal is applied to the AD unit ( 108 is converted into digital data and applied to the MPEG unit 104, and then compressed in the MPEG unit 104 and stored in the HDD 106.

이때 상기 도 1에서와 같이 외부 기기에 광출력을 연결해 놓은 상태에서 음성 광출력으로 시청을 하는 경우 상기 DVD의 영상신호 엠펙부(104)에서 녹화를 위한 영상신호 처리가 수행되는데 소정의 시간이 지연되는 반해 DVD에서 출력되는 광출력은 시간의 지연없이 바로 출력되기 때문에 영상과 음성간에 시간차가 발생하게 된다. At this time, when viewing with audio light output while the optical output is connected to an external device as shown in FIG. 1, the video signal processing for recording is performed in the video signal amplifier unit 104 of the DVD. On the other hand, since the light output from the DVD is output immediately without time delay, a time difference occurs between video and audio.

따라서 마이컴(110)은 엠펙부(104)로부터 입력된 영상신호와 엠펙 압축 처리 후 출력되는 영상신호의 소요시간 정보를 인가받아 영상신호의 지연시간을 인식하고, 광신호 지연부(116)를 제어하여 상기 영상신호에 대응되게 출력되는 음성 광신호 출력을 상기 엠펙부(104)에서의 지연시간만큼 지연시켜 음성 광신호 처리부(114)에서 출려된 음성 광출력신호와 DVD 재생 영상신호의 동기가 맞도록 제어한다.Accordingly, the microcomputer 110 receives the video signal input from the MPEG unit 104 and the required time information of the video signal output after the MPEG compression process, recognizes the delay time of the video signal, and controls the optical signal delay unit 116. Delay the output of the audio optical signal corresponding to the video signal by the delay time of the MPEG unit 104 to synchronize the audio optical signal output from the audio optical signal processing unit 114 with the DVD playback video signal. To control.

이에 따라 DVD를 재생하여 HDD에 녹화하는 경우 음성 광출력 신호가 동일하게 일반 음성신호만큼 지연되어 출력되기 때문에 사용자는 재생 영상신호와 동기가 맞는 보다 향상된 음질의 광출력을 청취할 수 있게 된다.As a result, when the DVD is reproduced and recorded on the HDD, the audio light output signal is output by being delayed by the same general audio signal, so that the user can listen to the light output of the improved sound quality in synchronization with the reproduced video signal.

한편 상술한 본 발명의 설명에서는 구체적인 실시 예에 관해 설명하였으나, 여러 가지 변형이 본 발명의 범위에서 벗어나지 않고 실시될 수 있다. 따라서 발명의 범위는 설명된 실시 예에 의하여 정할 것이 아니고 특허청구범위에 의해 정하여져야 한다.Meanwhile, in the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the invention should be determined by the claims rather than by the described embodiments.

이상에서 설명한 바와 같이, 본 발명은 HDD를 구비한 DVD-RW장치에서 녹화시 음성 광출력 신호의 동기를 제어 시, DVD 재생되는 영상신호가 녹화를 위해 영상처리되는 소요시간만큼 음성 광신호 출력을 지연시켜 상기 DVD 재생 영상신호의 동기가 맞도록 제어함으로써, 사용자에게 재생 영상신호와 동기가 맞는 보다 향상된 음질의 광출력을 제공할 수 있게 되는 이점이 있다. As described above, according to the present invention, when controlling the synchronization of the audio light output signal during recording in a DVD-RW device having an HDD, the audio light signal output is output as much as the time required for video recording for the DVD playback. By delaying and controlling the synchronization of the DVD reproduced video signal, there is an advantage that it is possible to provide a user with an improved light quality of the sound quality synchronized with the reproduced video signal.

도 1은 본 발명의 실시 예에 따른 HDD를 구비한 DVD-RW 장치 블록 구성도. 1 is a block diagram of a DVD-RW device having a HDD according to an embodiment of the present invention.

Claims (2)

음성 광출력 동기 불일치 제어하는 HDD를 구비한 DVD-RW장치로서,A DVD-RW device having an HDD for controlling voice optical output synchronization mismatch. DVD 디스크로부터 재생되는 영상신호를 디코딩하여 출력시키는 디코더부와,A decoder for decoding and outputting a video signal reproduced from a DVD disc; 녹화 수행 시 상기 영상신호를 처리하여 TV 수상기에 디스플레이시키며, 해당 영상신호를 엠펙 압축하여 HDD에 저장시키는 엠펙부와,An MPEG unit for processing the video signal and recording the video signal on a TV receiver and compressing the video signal and storing the video signal on an HDD; 상기 DVD 디스크로부터 재생되는 음성 광출력 신호를 처리하는 음성 광신호 처리부와,An audio optical signal processor for processing an audio optical output signal reproduced from the DVD disc; 상기 음성 광신호 처리부로부터 출력되는 음성 광출력 신호를 상기 엠펙부로부터의 영상신호 처리 소요시간에 대응되는 시간만큼 지연 출력시키는 광신호 지연부와,An optical signal delay unit configured to delay and output the audio optical output signal output from the audio optical signal processing unit by a time corresponding to a video signal processing time required from the MPEG unit; DVD 재생 영상에 대한 HDD로의 녹화시, 상기 광신호 지연부를 제어하여 음성 광신호 처리부에서 출력되는 상기 영상신호에 대응되는 음성 광신호 출력을 상기 엠펙부에서의 영상신호 처리 소요시간만큼 지연시켜 DVD 재생 영상신호와 음성 광출력 신호의 동기가 맞도록 제어하는 마이컴,When recording to the HDD for DVD playback video, the optical signal delay unit is controlled to delay the audio optical signal output corresponding to the video signal output from the audio optical signal processing unit by the video signal processing time required by the MPEG unit to play the DVD. Microcomputer to control synchronization between video signal and audio light output signal, 을 포함하는 음성 광출력 동기 불일치를 제어하는 HDD를 구비한 DVD-RW 장치. DVD-RW device having a HDD for controlling a voice optical output synchronization mismatch comprising a. HDD를 구비한 DVD-RW 장치에서 녹화시 음성 광출력 동기 불일치를 방지시키는 방법으로서, A method of preventing audio optical output synchronization mismatch during recording in a DVD-RW device having an HDD, (a)사용자로부터의 데크부에 장착된 DVD 디스크에 대한 녹화 요구가 있는 경우 DVD 디스크로부터 재생되는 영상신호를 디스플레이시키는 단계와,(a) displaying a video signal reproduced from the DVD disc when there is a recording request for the DVD disc mounted on the deck unit from the user; (b)상기 재생 영상신호를 엠펙 압축하여 HDD에 저장시키는 단계와,(b) compressing the reproduced video signal by MPEG compression and storing the compressed video signal in the HDD; (c)상기 DVD 디스크로부터 재생되는 영상신호에 대응된 음성 광출력 신호를 처리하는 단계와,(c) processing an audio light output signal corresponding to the video signal reproduced from the DVD disc; (d)상기 음성 광출력 신호를 녹화시 영상신호 처리에 소요되는 시간만큼 지연시켜 DVD 재생 영상신호와 음성 광출력 신호의 동기가 맞도록 제어하는 단계,(d) controlling the synchronization of the DVD playback video signal and the audio light output signal by delaying the audio light output signal by the time required for video signal processing during recording; 를 포함하는 DVD-RW 장치에서 녹화시 음성 광출력 동기 불일치 방지방법.How to prevent audio optical output synchronization mismatch when recording in a DVD-RW device including a.
KR1020030089583A 2003-12-10 2003-12-10 Dvd-rw with hdd for controlling lipsync of audio optical output and method thereof KR20050056553A (en)

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