KR970057900A

KR970057900A - Time information data generator of system encoder

Info

Publication number: KR970057900A
Application number: KR1019950061366A
Authority: KR
Inventors: 김종일
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-12-28
Filing date: 1995-12-28
Publication date: 1997-07-31

Abstract

본 발명은 시스템 부호화기의 시간 정보 데이타 발생장치에 관한 것으로, 시스템 클럭을 0에서 299까지 반복적으로 카운팅하여 카운트 값을 출력하는 제1카운터(20); 상기 제1카운터(20)에서 출력된 카운트 값을 299와 비교하여 상기 카운트 값이 299이면 캐리를 출력하는 비교기(22); 상기 비교기 (22)에서 출력된 캐리를 카운팅하여 카운트 값을 출력하는 제2카운터(24); 상기 제2카운터(24)에서 출력된 카운트 값을 상기시스템 클럭에 동기시켜 출력하는 제1조합부(26) 외부로부터 입력된 TID 요청신호를 해석하여 TID 출력 제어신호를 출력하는 TID 판독기(27) 및 ; 매 시스템 클럭마다 시스템 클럭에 동기시켜 상기 제1카운터(20)에서 출력된 카운트 값과, 상기 제1조합부(26)에서 출력된 카운트 값 및, 의사 데이타를 각 TID 데이타 포맷으로 조합하여 로딩하는 한편, 상기 TID 판독기(27)로부터 TID 출력 제어신호를 입력받아 상기 TID 출력 제어신호에 따라 로딩된 TID 데이타를 선택적으로 출력하는 제2조합부(28)를 포함하여 구성되어, MPEG에서 규정한 데이타 포맷에 맞도록 시간 정보 데이타를 생성할 수 있는 것이다.The present invention relates to an apparatus for generating time information data of a system encoder, comprising: a first counter 20 which repeatedly counts a system clock from 0 to 299 and outputs a count value; A comparator 22 for comparing a count value output from the first counter 20 with 299 and outputting a carry when the count value is 299; A second counter 24 which counts the carry output from the comparator 22 and outputs a count value; TID reader 27 for outputting a TID output control signal by analyzing a TID request signal input from outside of the first combining unit 26 which outputs the count value output from the second counter 24 in synchronization with the system clock. And; Each system clock is loaded in combination with a count value output from the first counter 20, a count value output from the first combining unit 26, and pseudo data in each TID data format in synchronization with the system clock. On the other hand, it comprises a second combination unit 28 for receiving the TID output control signal from the TID reader 27 and selectively output the TID data loaded in accordance with the TID output control signal, the data defined in MPEG The time information data can be generated to match the format.

Description

Time information data generator of the system encoder.

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 시스템 부호화기의 시간정보 데이타 발생장치의 블럭도,2 is a block diagram of an apparatus for generating time information data of a system encoder according to the present invention;

제3도는 본 발명에 따른 시간 정보 데이타 발생장치가 구비된 시스템 부호화기의 개략적인 블럭도.3 is a schematic block diagram of a system encoder equipped with an apparatus for generating time information data according to the present invention.

Claims

An apparatus for generating time information data, comprising: a first counter (20) for repeatedly counting a system clock from 0 to 299 to output a count value; A comparator 22 for comparing a count value output from the first counter 20 with 299 and outputting a carry when the count value is 299; A second counter 24 which counts the carry output from the comparator 22 and outputs a count value; TID reader 27 for outputting a TID output control signal by interpreting a TID request signal input from the outside of the first combining unit 26 which outputs the count value output from the second counter 24 in synchronization with the system clock. And; Each system clock is loaded in combination with a count value output from the first counter 20, a count value output from the first combining unit 26, and pseudo data in each TID data format in synchronization with the system clock. On the other hand, it comprises a second combination unit 28 for receiving the TID output control signal from the TID reader 27 and selectively outputs the loaded TID data according to the TID output control signal of the system encoder Time information data generator.

The counter of claim 1, wherein the first counter 20 starts counting the system clock from 0 and when the count value reaches 299, the first counter 20 is set to 0 again at the next clock to repeatedly count every 300 cycles to output a count value. A time information data generator of a system encoder, characterized by a 9-bit counter of modular 300.

The time information data generator of claim 1, wherein the second counter (24) is a 33-bit counter.

The apparatus of claim 1, wherein the first counter (20) and the second counter (24) are initialized by receiving a reset signal from an external source.

5. The apparatus of claim 4, wherein the reset signal is inputted at an initial operation of the system encoder.

The apparatus of claim 1, wherein the TID request signal comprises a 1 bit TID request determination bit and a 2 bit TID selection bit.

7. The apparatus of claim 6, wherein the bit for determining the presence or absence of the TID is set to "1" when the TID is requested, and to "0" when the TID is not requested. .

7. The TID selection bit is set to "00 " at the time of PCR data request, " 01 " at the request of ESCR data, " 10 " Time information data generator of the system encoder, characterized in that is set to "11" upon data request.

The second combination unit 28 of claim 1, wherein the TID reader 27 sets the TID selection bit of the TID request signal when the bit for determining the presence or absence of the TID request signal of the TID request signal input from the outside is "1". And a time information data generator of a system encoder, characterized in that it is outputted as (1).

2. The second combination unit 28 outputs PCR data when a TID output control signal of "00" is input from the TID reader 27, and outputs "01" from the TID reader 27. Outputs the ESCR data when a TID output control signal is input, outputs PTS data when a TID output control signal of " 10 " is input from the TID reader 27, and outputs a TID of " 11 " And outputting DTS data when an output control signal is input.

※ Note: The disclosure is based on the initial application.