KR100369886B1 - 데이터 스트림을 동시에 기록 및 재생하는 타임 시프트 방법 - Google Patents
데이터 스트림을 동시에 기록 및 재생하는 타임 시프트 방법 Download PDFInfo
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- G11B2220/00—Record carriers by type
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- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- 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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- G—PHYSICS
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- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/61—Solid state media wherein solid state memory is used for storing A/V content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract
Description
Claims (32)
- 비디오 스트림을 디스플레이하는 방법에 있어서,(a) 입력에 비디오 스트림을 수신하는 단계;(b) 비디오 스트림을 랜덤 액세스 저장 유닛에 기록하는 단계;(c) 상기 단계(b)에서 비디오 스트림을 계속 기록하는 동안, 저장 유닛으로부터 비디오 스트림의 일부분을 검색하는 단계; 및(d) 상기 단계(c)에서 검색된 비디오 스트림의 일부분을 출력으로 제공하는 단계를 포함하는 것을 특징으로 하는 디스플레이 방법.
- 제 1 항에 있어서, 상기 단계(b)는 하드디스크에 비디오 스트림을 기록하는 단계를 더 포함하는 것을 특징으로 하는 디스플레이 방법.
- 삭제
- 제 1 항에 있어서, 비디오 스트림의 일부분을 검색하는 상기 단계(c)는 단계(b)에서 시간지연에 의해 타임-시프트되어 기록된 비디오 스트림을 검색하고, 상기 시간지연이 소정의 문턱값 아래로 떨어질 때 저장 유닛으로부터 비디오 스트림의 일부분을 검색하는 상기 단계(c)가 중단되고, 단계(c)에서 검색된 비디오 스트림의 일부분을 출력에 제공하는 상기 단계(d)는 단계(a)에서 수신된 그대로의 비디오 스트림을 출력에 제공하는 단계로 대체되는 것을 특징으로 하는 디스플레이 방법.
- 제 1 항에 있어서,(e) 서로다른 시간지연에 의해 시프트된 비디오 스트림의 둘 이상의 프레임을 검색하는 단계;(f) 비디오 스트림의 상기 둘 이상의 프레임을 디스플레이하는 단계; 및(g) 비디오 스트림의 재생을 위한 개시점으로서 비디오 스트림의 프레임들중 하나를 사용자가 선택하도록 하는 단계를 더 포함하는 것을 특징으로 하는 디스플레이 방법.
- 비디오 스트림을 디스플레이하는 방법에 있어서,(a) 입력에 비디오 스트림을 수신하는 단계;(b) 저장 유닛에 비디오 스트림의 하나이상의 저장을 개시하는 단계;(c) 저장 유닛으로부터 비디오 스트림의 하나이상의 랜덤 액세스 판독을 개시하는 단계; 및(d) 비디오 스트림을 디스플레이하는 단계를 포함하고,상기 단계(b)의 하나이상의 저장은 상기 단계(c)의 하나이상의 판독과 멀티플렉스되는 것을 특징으로 하는 디스플레이 방법.
- 제 6 항에 있어서, 저장 유닛으로부터 비디오 스트림의 하나이상의 판독은 상기 단계(b)에서 저장되는 것보다 더 빠른 속도로 비디오 스트림을 재생하도록 사용되는 것을 특징으로 하는 디스플레이 방법.
- 제 6 항에 있어서, 상기 단계(c)의 하나이상의 판독은 시간지연에 의해 시프트된 상기 단계(a)의 비디오 스트림에 대응하고, 상기 시간지연이 소정의 시간량 아래로 떨어지면 저장 유닛으로부터의 하나이상의 판독이 중단되고,상기 단계(d)는,(d) 상기 단계(a)에서 수신된 비디오 스트림을 디스플레이하는 단계를 더 포함하는 것을 특징으로 하는 디스플레이 방법.
- 제 6 항에 있어서, 상기 단계(c)의 하나이상의 판독은, 상기 단계(b)에서 저장되고 있는 비디오 스트림으로부터 시간지연에 의해 오프셋된 비디오 스트림에 액세스하고, 상기 시간지연은 시간에 따라 변하는 것을 특징으로 하는 디스플레이 방법.
- 제 6 항에 있어서,(e) 서로다른 시간지연에 의해 시프트된 비디오 스트림의 둘 이상의 프레임을 검색하는 단계;(f) 비디오 스트림의 상기 둘 이상의 프레임을 디스플레이하는 단계; 및(g) 비디오 스트림의 재생을 위한 개시점으로서 비디오 스트림의 프레임들중 하나를 사용자가 선택하도록 하는 단계를 더 포함하는 것을 특징으로 하는 디스플레이 방법.
- 비디오 스트림을 디스플레이하는 방법에 있어서,(a) 비디오 스트림을 수신하는 단계;(b) 상기 단계(a)에서 수신된 비디오 스트림을 저장 유닛에 저장하는 단계; 및(c) 시간지연에 의해 적어도 처음으로 지연된 비디오 스트림을 디스플레이하는 단계로서, 상기 시간지연이 소정의 문턱값보다 더 클때 비디오 스트림이 저장유닛으로부터 디스플레이되고, 상기 시간지연이 소정의 문턱값보다 더 작을 때는 비디오 스트림이 단계(a)에서 수신된 비디오 스트림으로부터 디스플레이되는 단계를 포함하는 것을 특징으로 하는 디스플레이 방법.
- 제 11 항에 있어서, 비디오 스트림을 저장 유닛에 저장하는 상기 단계(b)는 저장 유닛에 하나이상의 저장을 수행하는 단계를 포함하고, 시간지연이 소정의 문턱값보다 더 클때 저장유닛으로부터 비디오 스트림을 검색하는 상기 단계(c)는 저장유닛으로부터의 하나이상의 판독을 수행하는 단계를 포함하고, 저장유닛에의 상기 하나이상의 저장은 저장유닛으로부터의 상기 하나이상의 판독과 멀티플렉스되는 것을 특징으로 하는 디스플레이 방법.
- 제 12 항에 있어서, 상기 저장유닛은 랜덤 액세스 메모리 유닛이며, 저장유닛으로부터의 상기 하나이상의 판독은 사용자가 특정한 하나이상의 시간지연을 가진 비디오 스트림을 검색하는 것을 특징으로 하는 디스플레이 방법.
- 제 11 항에 있어서, 저장유닛에 비디오 스트림을 저장하는 상기 단계(b)는 저장유닛에 비디오 스트림을 저장하기 이전에 비디오 스트림을 압축하는 단계를 더 포함하는 것을 특징으로 하는 디스플레이 방법.
- 제 11 항에 있어서, 시간지연이 소정의 문턱값보다 더 클때 저장유닛으로부터 비디오 스트림을 검색하는 상기 단계(c)는 저장유닛으로부터 비디오 스트림을 검색한 후에 비디오 스트림을 압축해제하는 단계를 포함하는 것을 특징으로 하는 디스플레이 방법.
- 삭제
- 삭제
- 비디오 스트림을 기록하는 방법에 있어서,(a) 비디오 스트림을 수신하는 단계;(b) 비디오 스트림을 수신된 그대로 디스플레이하는 단계;(c) 제1 사용자 입력에 응답하여, 비디오 스트림의 디스플레이를 일시정지하는 단계 및 제1 사용자 입력 이후에 수신된 비디오 스트림을 저장 매체에 저장하는 단계;(d) 비디오 스트림을 출력에 제공하기 위해 저장 매체로부터 비디오 스트림을 판독하는 단계; 및(e) 상기 단계(d)에서 판독된 비디오 스트림은 상기 단계(a)에서 시간지연에 의해 시프트되어 수신된 비디오 스트림에 대응하고, 상기 시간지연이 소정의 시간량 아래로 떨어질 때는, 저장 매체에 비디오 스트림을 먼저 저장하지 않고 상기 단계(a)에서 수신된 비디오 스트림을 출력에 제공하는 단계를 포함하는 것을 특징으로 하는 기록 방법.
- 삭제
- 제 18 항에 있어서, 상기 단계(d)에서 저장 매체로부터 비디오 스트림을 판독하는 단계는 비디오 스트림이 수신되는 속도보다 더 빠른 전체 속도로 수행되는 것을 특징으로 하는 기록 방법.
- 제 20 항에 있어서, 저장 매체로부터 비디오 스트림을 판독하는 단계는 비디오 스트림의 일부분을 건너뜀으로서 수행되는 것을 특징으로 하는 기록 방법.
- 삭제
- 삭제
- 제 18 항에 있어서,(f) 서로다른 시간지연에 의해 시프트된 비디오 스트림의 둘 이상의 프레임을 검색하는 단계;(g) 비디오 스트림의 상기 둘 이상의 프레임을 디스플레이하는 단계; 및(h) 비디오 스트림을 재생하기 위한 개시점으로서 비디오 스트림의 프레임들 중 하나를 사용자가 선택하도록 하는 단계를 더 포함하는 것을 특징으로 하는 기록 방법.
- 삭제
- 유입되는 비디오 정보를 기록하는 방법에 있어서,상기 정보가 수신된 후 재생하기 위해, 상기 비디오 정보를 수신되는 그대로 저장하는 단계; 및상기 유입되는 비디오 정보를 계속 저장하는 동안 저장된 비디오 정보의 임의의 부분을 재생하도록 하는 단계를 포함하는 것을 특징으로 하는 기록방법.
- 제 26 항에 있어서, 상기 비디오 정보를 랜덤 액세스 메모리에 저장하는 단계를 포함하는 것을 특징으로 하는 기록방법.
- 저장된 비디오 정보를 재생하는 방법에 있어서,상기 저장된 비디오 정보의 샘플에 액세스하는 단계;상기 유입되는 비디오 정보를 계속 저장하는 동안 상기 저장된 비디오 정보의 임의의 부분을 리플레이하도록 하는 단계;상기 샘플들 중의 하나를 리플레이하기 위해 선택하는 단계; 및상기 샘플의 처음부터 시작하여 상기 저장된 비디오 스트림을 재생하는 단계를 포함하는 것을 특징으로 하는 재생방법.
- 제 28 항에 있어서, 복수의 비디오 클립을 선택하는 단계 및 사용자로 하여금 상기 비디오 클립들 중 하나를 선택하도록 하는 단계를 포함하는 것을 특징으로 하는 재생방법.
- 제 29 항에 있어서, 리플레이하기 위한 선택을 위해 비디오 클립들의 스토리보드를 제공하는 단계를 포함하는 것을 특징으로 하는 재생방법.
- 제 30 항에 있어서, 잠재적(potential) 리플레이를 위해 복수의 샘플들을 자동적으로 선택하는 단계를 포함하는 것을 특징으로 하는 재생방법.
- 제 31 항에 있어서, 상기 저장된 비디오 스트림에서 상기 샘플들을 규칙적 간격으로 선택하는 단계를 포함하는 것을 특징으로 하는 재생방법.
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EP1758390A2 (en) | 2007-02-28 |
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US20100046914A1 (en) | 2010-02-25 |
CN1283361A (zh) | 2001-02-07 |
US6480667B1 (en) | 2002-11-12 |
WO1999033265A1 (en) | 1999-07-01 |
JP2001527346A (ja) | 2001-12-25 |
AU1121099A (en) | 1999-07-12 |
US8463110B2 (en) | 2013-06-11 |
US7062147B2 (en) | 2006-06-13 |
CN100366069C (zh) | 2008-01-30 |
US20010000540A1 (en) | 2001-04-26 |
EP1040657A1 (en) | 2000-10-04 |
EP1040657A4 (en) | 2004-09-08 |
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