KR20080103720A - 고배속으로 레코딩되는 디지털 오디오 데이터의 실시간재생 방법 - Google Patents
고배속으로 레코딩되는 디지털 오디오 데이터의 실시간재생 방법 Download PDFInfo
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- KR20080103720A KR20080103720A KR1020070050803A KR20070050803A KR20080103720A KR 20080103720 A KR20080103720 A KR 20080103720A KR 1020070050803 A KR1020070050803 A KR 1020070050803A KR 20070050803 A KR20070050803 A KR 20070050803A KR 20080103720 A KR20080103720 A KR 20080103720A
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- 238000000034 method Methods 0.000 title claims abstract description 59
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- 230000004044 response Effects 0.000 description 1
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10595—Control of operating function
- G11B11/10597—Adaptations for transducing various formats on the same or different carriers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
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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
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
-
- 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
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
-
- 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
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
-
- 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
- G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
- G11B2020/10953—Concurrent recording or playback of different streams or files
- G11B2020/10962—Concurrent recording or playback of different streams or files wherein both recording and playback take place simultaneously
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- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata
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- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (9)
- (a) 인코더를 초기화하고, 디코더에서 사용할 가상 헤더를 생성하는 단계;(b) 디지털 오디오 데이터를 1 배속 이상으로 입력받는 단계;(c) 상기 인코더가 상기 입력받은 데이터를 인코딩하여 압축하는 단계;(d) 메모리 버퍼에 빈 공간이 있으면, 상기 압축 데이터를 프레임 단위로 상기 메모리 버퍼에 저장하는 단계;(e) 상기 메모리 버퍼에 저장된 압축 데이터를 저장장치에 저장하는 단계; 및(f) 상기 디코더가 상기 가상 헤더를 이용하여 상기 메모리 버퍼에 저장된 압축 데이터를 1 배속으로 순차적으로 디코딩하여 재생하는 단계;를 포함하여 구성되는 디지털 오디오 데이터의 실시간 재생 방법.
- 제 1 항에 있어서,상기 메모리 버퍼의 크기를 압축된 디지털 오디오 데이터의 전체 크기의 1/(입력 배속)로 설정하는 단계를 더 포함하여 구성되는 디지털 오디오 데이터의 실시간 재생 방법.
- 제 2 항에 있어서,(g) 상기 디지털 오디오 데이터의 1 트랙에 대한 레코딩이 모두 완료될 때까지 상기 (a) - (f) 과정을 반복하는 단계; 및(h) 상기 디지털 오디오 데이터의 1 트랙에 대한 레코딩이 모두 완료되면 상기 메모리 버퍼를 초기화하고 상기 디지털 오디오 데이터의 다음 트랙에 대하여 상기 전체 과정을 반복하는 단계;를 더 포함하여 구성되는 디지털 오디오 데이터의 실시간 재생 방법.
- 제 3 항에 있어서,상기 메모리 버퍼가 모두 채워진 후 상기 메모리 버퍼에 저장된 압축 데이터가 모두 재생된 경우, 상기 압축 데이터에 대한 디코딩 및 재생을 되풀이하는 단계를 더 포함하여 구성되는 디지털 오디오 데이터의 실시간 재생 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 (d) 단계는 상기 압축 데이터를 기록 버퍼에 먼저 저장한 후에 파일 형태로 상기 저장장치에 저장하는 단계를 포함하여 구성되는 것을 특징으로 하는 디지털 오디오 데이터의 실시간 재생 방법.
- (a) 인코더를 초기화하고, 디코더에서 사용할 가상 헤더를 생성하는 단계;(b) 디지털 오디오 데이터를 1 배속 이상으로 입력받는 단계;(c) 상기 입력받은 데이터를 인코딩하여 압축하는 단계;(d) 메모리 버퍼에 빈 공간이 있으면, 상기 압축 데이터를 프레임 단위로 상기 메모리 버퍼에 저장하는 단계;(e) 상기 압축 데이터를 저장장치에 저장하는 단계;(f) 현재 저장장치에 레코딩 중인 트랙을 재생하는 경우, 상기 메모리 버퍼에 저장된 압축 데이터를 1 배속으로 순차적으로 디코딩하여 재생하는 단계;(g) 저장장치에 레코딩 완료된 트랙을 재생하는 경우, 상기 저장장치에 저장된 압축 데이터를 1 배속으로 순차적으로 디코딩하여 재생하는 단계; 및(h) 상기 디지털 오디오 데이터의 마지막 트랙에 대한 레코딩이 모두 완료될 때까지 상기 (a) - (g) 과정을 반복하는 단계;를 포함하여 구성되는 디지털 오디오 데이터의 실시간 재생 방법.
- 제 6 항에 있어서,상기 디지털 오디오 데이터에 대한 레코딩이 모두 완료된 후에, 상기 저장장치에 저장된 미재생 압축 데이터를 1 배속으로 순차적으로 디코딩하여 재생하는 단계를 더 포함하여 구성되는 디지털 오디오 데이터의 실시간 재생 방법.
- 제 7 항에 있어서,상기 메모리 버퍼의 크기를 압축된 디지털 오디오 데이터의 전체 크기로 설정하는 단계를 더 포함하여 구성되는 디지털 오디오 데이터의 실시간 재생 방법.
- 제 6 항 내지 제 8 항 중 어느 한 항에 있어서,상기 (d) 단계는 상기 압축 데이터를 기록 버퍼에 먼저 저장한 후에 파일 형태로 상기 저장장치에 레코딩하는 단계를 포함하여 구성되는 것을 특징으로 하는 디지털 오디오 데이터의 실시간 재생 방법.
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KR1020070050803A KR100871997B1 (ko) | 2007-05-25 | 2007-05-25 | 고배속으로 레코딩되는 디지털 오디오 데이터의 실시간재생 방법 |
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KR1020070050803A KR100871997B1 (ko) | 2007-05-25 | 2007-05-25 | 고배속으로 레코딩되는 디지털 오디오 데이터의 실시간재생 방법 |
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KR20080103720A true KR20080103720A (ko) | 2008-11-28 |
KR100871997B1 KR100871997B1 (ko) | 2008-12-05 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180006126A (ko) * | 2016-07-08 | 2018-01-17 | 전자부품연구원 | 저-지연 오디오 ld 자동 제어 방법 및 시스템 |
KR20180006233A (ko) * | 2016-07-08 | 2018-01-17 | 전자부품연구원 | 오디오 ld 자동 복합 제어 방법 및 시스템 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05151758A (ja) * | 1991-11-28 | 1993-06-18 | Sharp Corp | 情報記録再生装置 |
JPH0963191A (ja) * | 1995-08-25 | 1997-03-07 | Sony Corp | 記録再生システム |
JP2003022606A (ja) | 2001-07-06 | 2003-01-24 | Sony Corp | 記録再生装置および方法、記録媒体、並びにプログラム |
KR100484475B1 (ko) * | 2002-01-26 | 2005-04-20 | 엘지전자 주식회사 | 실시간 입력 데이터 기록장치 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180006126A (ko) * | 2016-07-08 | 2018-01-17 | 전자부품연구원 | 저-지연 오디오 ld 자동 제어 방법 및 시스템 |
KR20180006233A (ko) * | 2016-07-08 | 2018-01-17 | 전자부품연구원 | 오디오 ld 자동 복합 제어 방법 및 시스템 |
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