Global patent index - EP 0995318 A1

EP 0995318 A1 2000-04-26 - METHOD AND APPARATUS FOR VIDEO COMPRESSION AND TRANSMISSION WITH REDUCED DELAY

Title (en)

METHOD AND APPARATUS FOR VIDEO COMPRESSION AND TRANSMISSION WITH REDUCED DELAY

Title (de)

VERFAHREN UND VORRICHTUNG ZUR VIDEOKOMPRESSION UND -ÜBERTRAGUNG MIT VERMINDERTER VERZÖGERUNG

Title (fr)

PROCEDE ET DISPOSITIF DE COMPRESSION DE DONNEES VIDEO ET D'EMISSION A TEMPORISATION REDUITE

Publication

EP 0995318 A1 (EN)

Application

EP 98935710 A

Priority

  • US 9814706 W
  • US 5302897 P

Abstract (en)

[origin: WO9904575A1] An apparatus for video compression includes a video compressor and a buffer. The video compressor compresses an input stream of video data frames at a compression rate to provide compressed video data at an average compressor output rate. The buffer receives the compressed video data from the video compressor to provide a compressed video data stream. The compressed video data stream is transmitted from the buffer onto a transmission channel at a channel rate greater than the average compressor output rate such that utilization of the transmission channel is less than full. Reducing the channel utilization provides a corresponding reduction in buffer delay.

IPC 1-7 (main, further and additional classification)

H04N 7/62; H04N 7/30

IPC 8 full level (invention and additional information)

H04N 7/30 (2006.01); H04N 21/234 (2011.01); H04N 21/242 (2011.01)

CPC (invention and additional information)

H04N 19/00 (2013.01); H04N 19/115 (2014.11); H04N 19/152 (2014.11); H04N 19/172 (2013.01); H04N 19/60 (2014.11); H04N 19/61 (2014.11); H04N 19/91 (2014.11); H04N 21/23406 (2013.01); H04N 21/242 (2013.01); H04N 19/146 (2014.11); H04N 19/70 (2013.01)

Citation (search report)

See references of WO 9904575A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9904575 A1 19990128; AU 8489798 A 19990210; CA 2296375 A1 19990128; EP 0995318 A1 20000426

INPADOC legal status

2002-08-28 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20010801

2000-08-23 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20000711

2000-04-26 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000117

2000-04-26 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE