KR987000746A - ATV / MPEG sync system - Google Patents
ATV / MPEG sync system Download PDFInfo
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- KR987000746A KR987000746A KR1019970703730A KR19970703730A KR987000746A KR 987000746 A KR987000746 A KR 987000746A KR 1019970703730 A KR1019970703730 A KR 1019970703730A KR 19970703730 A KR19970703730 A KR 19970703730A KR 987000746 A KR987000746 A KR 987000746A
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- transport packets
- mpeg
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- 230000005540 biological transmission Effects 0.000 claims 3
- 230000011664 signaling Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
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- Compression Or Coding Systems Of Tv Signals (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
ATV시스템(16, 18, 20)은 가변길이를 가진 데이타의 기본적인 스트림들을 동기 정보가 없고, 다중화되고 고정된 길이를 가진 다수의 데이타 패킷들로 구성된 다중 레벨 심볼 신호로 인코드 한다. 고정된 길이의 데이타 패킷들은 반복되는 데이타 세그먼트의 피일드내에 배열되어 있다. 데이타 세그먼트는 데이타 시그먼트 동기를, 그리고 피일드 동기를 포함하고 있다. 데이타 세그먼트들의 파일들은 압축된 캐리어(carrier) VSB로 변조(28)된 형태로 전송된다. ATV 수신기에서는, 데이타 세그먼트 동기는 고정된 길이를 가진 데이타 패킷의 시작점을 식별하는 타이밍 신호를 발생시키는데 사용되어진다.The ATV systems 16, 18 and 20 encode basic streams of variable length data into a multilevel symbol signal composed of multiple data packets having no synchronization information and multiplexed and fixed lengths. Data packets of fixed length are arranged in the feed of repeated data segments. The data segment contains data segment synchronization and feed synchronization. The files of the data segments are transmitted in a modulated form 28 with a compressed carrier VSB. In an ATV receiver, data segment synchronization is used to generate a timing signal that identifies the beginning of a data packet with a fixed length.
한 실시예에 있어서는, 패킷 동기 신호가 데이타의 기본적인 스트림들을 복구시키기 위해 복구된 고정된 길이의 데이타 패킷안으로 삽입되어진다. 다른 실시예에서는, 데이타의 기본적인 스트림들을 복수시키는 과정은 패킷 동기 신호를 삽입시키지 않고, 수행되어진다.In one embodiment, a packet sync signal is inserted into the recovered fixed length data packet to recover the basic streams of data. In another embodiment, the process of a plurality of basic streams of data is performed without inserting a packet sync signal.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 VSB 프레임 형태를 도시한 도면.1 shows a VSB frame form.
제2도는 본 발명에 따라 만들어진 전송기를 도시한 개략블록도.2 is a schematic block diagram illustrating a transmitter made in accordance with the present invention.
제3a, 3b도는 본 발명에 따라 수정된 MPEG전송 패킷들을 나타낸 도면.3a and 3b show MPEG transport packets modified according to the present invention.
제4도는 제2도의 전송기로부터 나온 신호들을 수신하기 위한 수신기를 도시한 개략블록도.4 is a schematic block diagram illustrating a receiver for receiving signals from the transmitter of FIG.
Claims (16)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/417,581 US5677911A (en) | 1993-12-29 | 1995-04-06 | Data frame format for a digital signal having multiple data constellations |
US479,428 | 1995-06-07 | ||
US08/479,428 US5602595A (en) | 1993-12-29 | 1995-06-07 | ATV/MPEG sync system |
US417,581 | 1995-06-07 | ||
PCT/US1996/004544 WO1996031963A1 (en) | 1995-04-06 | 1996-04-03 | Atv/mpeg sync system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR987000746A true KR987000746A (en) | 1998-03-30 |
KR100313653B1 KR100313653B1 (en) | 2001-12-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970703730A KR100313653B1 (en) | 1995-04-06 | 1996-04-03 | ATV signal receiving method and receiver, and digital multi-level symbol signal transmission method |
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KR (1) | KR100313653B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100359903B1 (en) * | 2000-06-19 | 2002-11-07 | 제일모직주식회사 | Thermoplastic Flameproof Resin Composition |
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1996
- 1996-04-03 KR KR1019970703730A patent/KR100313653B1/en not_active IP Right Cessation
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KR100313653B1 (en) | 2001-12-28 |
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