CN1315328C - 在一统计式多工器中决定传输比特率的方法及装置 - Google Patents
在一统计式多工器中决定传输比特率的方法及装置 Download PDFInfo
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- CN1315328C CN1315328C CNB018160174A CN01816017A CN1315328C CN 1315328 C CN1315328 C CN 1315328C CN B018160174 A CNB018160174 A CN B018160174A CN 01816017 A CN01816017 A CN 01816017A CN 1315328 C CN1315328 C CN 1315328C
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 20
- 239000000872 buffer Substances 0.000 claims abstract description 69
- 238000012545 processing Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 description 13
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 239000007853 buffer solution Substances 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 241001673391 Entandrophragma candollei Species 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010042618 Surgical procedure repeated Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2365—Multiplexing of several video streams
- H04N21/23655—Statistical multiplexing, e.g. by controlling the encoder to alter its bitrate to optimize the bandwidth utilization
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2401—Monitoring of the client buffer
Abstract
Description
tot_hmin=0; for(i=0;i<num_mem;i++) tot_hmin=tot_hmin+hminbr[i] /*total hard minimum*/ tot_hmin=1.5*tot_hmin; for(i=0;i<num_mem;i++){ if(min_br[i]<hminbr[i] if(tot_hmin<br_avail) min_br[i]=hminbr[i]; if(min_br[i]>hmaxbr[i] min_br[i]=hmaxbr[i]; if(max_br[i]>hmaxbr[i] max_br[i]=hmaxbr[i]; if(max_br[i]<hminbr[i]) if(tot_hmin<br_avail) max_br[i]=hminbr[i]; }
total_min=tot_dmin=0; for(i=0;i<hum_mem;i++) tot_min=tot_min+min_br[i]; if(tot_min>br_avail){ /*we don’t have enough for all mins*/ for(i=0;i<num_mem;i++) tot_dmin=tot_dmin+(min_br[i]-hminbr[i]); if(tot_hmin>br_avail){ for(i=0;i<num_mem;i++) /*allocate proportional to minbr[i]*/ bit_rate[i]=br_avail*minbr[i]/tot_min; } else{ for(i=0;i<num_mem;i++){ bit_rate[i]=hminbr[i]; /*allocate hard minimums first*/ br_avail=br_avail_hminbr[i]; } if(br_avail>0){ for(i=0;i<num_mem;i++) bit_rate[i]=bit_rate[i]+br_avail*(min_br[i]-hminbr[i])/tot_dmin; /*use diff in requested and hard mins*/ } } /*at this point no more br_avail*/ br_avail=0; }
tot_target_br=0; for(i=0;i<num_mem;i++){ br_avail=br_avail-min_br[i]; bit_rate[i]=min_br[i]; if(target_br[i]>min_br[i] <!-- SIPO <DP n="13"> --> <dp n="d13"/> target_br[i]=target_br[[i]-min_br[i]; else target_br[i]=0; tot_target_br=tot_target_br+target_br[i]; }
sav_bravail=br_avail; if(br_avail>0){ for(i=0;i<num_mem;i++){ if(tot_target_br!=0){ bit_rate[i]=bit_rate[i]+(sav_bravail*target_br[i]/tot_target_br); br_avail=br_avail-(sav_bravail*target_br[i]/tot-target_br); } if(bit_rate[i]>max_br[i]{ bit_rate[i]=max_br[i]; br_avail=br_avail+(bit_rate[i]-max_br[i]; } } }
if(br_avail>0){ tot_excess_br=0; for(i=0;i<num_mem;i++){ if(bit_rate[i]<max_br[i]) excess_br[i]=max_br[i]-bit_rate[i]; else excess_br[i]=0; tot_excess_br=tot_excess_br+excess_br[i]; } if(tot_excess_br<=br_avail){ for(i=0;i<num_mem;i++) bit_rate[i]=max_br[i]; br_avail=br_avail-tot_excess_br; } <!-- SIPO <DP n="14"> --> <dp n="d14"/> else{ for(i=0;i<num_mem;i++) bit_rate[i]=bit_rate[i]+br_avail*excess_br[i]/tot_excess_br; } }
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/666,901 | 2000-09-20 | ||
US09/666,901 US7418007B1 (en) | 2000-09-20 | 2000-09-20 | Method and apparatus for determining a transmission bit rate in a statistical multiplexer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1461568A CN1461568A (zh) | 2003-12-10 |
CN1315328C true CN1315328C (zh) | 2007-05-09 |
Family
ID=24675971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018160174A Expired - Lifetime CN1315328C (zh) | 2000-09-20 | 2001-08-31 | 在一统计式多工器中决定传输比特率的方法及装置 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7418007B1 (zh) |
EP (1) | EP1320996B1 (zh) |
KR (1) | KR20030061806A (zh) |
CN (1) | CN1315328C (zh) |
AT (1) | ATE381855T1 (zh) |
AU (1) | AU2001288596A1 (zh) |
CA (1) | CA2422131C (zh) |
DE (1) | DE60131993T2 (zh) |
TW (1) | TW519834B (zh) |
WO (1) | WO2002025951A2 (zh) |
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US20090219879A1 (en) | 1999-05-21 | 2009-09-03 | Wi-Lan, Inc. | Method and apparatus for bandwidth request/grant protocols in a wireless communication system |
US6925068B1 (en) | 1999-05-21 | 2005-08-02 | Wi-Lan, Inc. | Method and apparatus for allocating bandwidth in a wireless communication system |
US8462810B2 (en) * | 1999-05-21 | 2013-06-11 | Wi-Lan, Inc. | Method and system for adaptively obtaining bandwidth allocation requests |
US7006530B2 (en) | 2000-12-22 | 2006-02-28 | Wi-Lan, Inc. | Method and system for adaptively obtaining bandwidth allocation requests |
US20070019687A1 (en) * | 2002-06-04 | 2007-01-25 | Eci Telecom Ltd. | Technique for converting bit rates |
KR100486524B1 (ko) | 2002-07-04 | 2005-05-03 | 엘지전자 주식회사 | 비디오 코덱의 지연시간 단축 장치 |
US7343087B2 (en) * | 2002-11-12 | 2008-03-11 | Matsushita Electric Industrial Co., Ltd. | Data stream playback device and method, digital broadcast receiver and related computer program |
EP2557785A1 (en) | 2002-11-29 | 2013-02-13 | Sony Corporation | Delay controlled decoding method and apparatus |
WO2005104551A2 (en) * | 2004-04-16 | 2005-11-03 | Modulus Video, Inc. | High definition scalable array encoding system and method |
WO2006099695A1 (en) * | 2005-03-21 | 2006-09-28 | Newtec Cy | Managing traffic in a satellite transmission system |
EP1938618A2 (en) * | 2005-09-29 | 2008-07-02 | Thomson Research Funding Corporation | Method and apparatus for constrained variable bit rate (vbr) video encoding |
DE102006034414B4 (de) * | 2006-07-25 | 2010-12-09 | Nokia Siemens Networks Gmbh & Co.Kg | Anordnung und Verfahren zur Dekodierung von digitalen Daten |
US9179366B2 (en) * | 2006-08-31 | 2015-11-03 | Intel Corporation | Scheduling methods and apparatus based on adjusted channel capacity |
US8745676B2 (en) * | 2006-12-19 | 2014-06-03 | General Instrument Corporation | Admitting a data file into a channel |
US7843824B2 (en) * | 2007-01-08 | 2010-11-30 | General Instrument Corporation | Method and apparatus for statistically multiplexing services |
US8068423B2 (en) * | 2008-09-09 | 2011-11-29 | Ericsson Television, Inc | Packet scheduling system for digital video broadcasting |
WO2010138913A1 (en) * | 2009-05-29 | 2010-12-02 | Harmonic, Inc. | Systems and methods for video statistical multiplexing adapting to internet protocol networks |
US8751881B1 (en) * | 2009-11-06 | 2014-06-10 | Brocade Communications Systems, Inc. | Transmission buffer under-run protection |
US9271052B2 (en) * | 2010-05-10 | 2016-02-23 | Comcast Cable Communications, Llc | Grid encoded media asset data |
US9167256B2 (en) * | 2010-08-31 | 2015-10-20 | Arris Technology, Inc. | Method and apparatus for encoding |
KR101503190B1 (ko) * | 2010-09-30 | 2015-03-16 | 후지쯔 가부시끼가이샤 | 동화상 부호화 장치, 동화상 부호화 방법 및 동화상 부호화용 컴퓨터 프로그램 |
EP2667603A4 (en) * | 2011-01-18 | 2015-01-07 | Fujitsu Ltd | ANIMATED IMAGE ENCODING DEVICE, ANIMATED IMAGE ENCODING METHOD, AND COMPUTER PROGRAM FOR ANIMATED IMAGE ENCODING |
US8898718B2 (en) | 2011-01-27 | 2014-11-25 | International Business Machines Corporation | Systems and methods for managed video services at edge-of-the-network |
EP2485441B1 (en) * | 2011-01-31 | 2014-10-08 | Alcatel Lucent | A video packet scheduling method for multimedia streaming |
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US10264043B2 (en) * | 2014-04-23 | 2019-04-16 | Ericsson Ab | Outage notification with client control modification in an ABR streaming network |
CN104639955B (zh) * | 2015-03-09 | 2017-10-27 | 德科仕通信(上海)有限公司 | 检测mpeg2‑ts vbr码流质量问题的方法 |
JP6454006B2 (ja) * | 2015-04-28 | 2019-01-16 | 株式会社日立国際電気 | 映像監視システムおよび映像監視方法 |
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EP3643032B1 (en) * | 2017-06-20 | 2021-04-07 | Telefonaktiebolaget LM Ericsson (PUBL) | Apparatuses and methods for live uplink adaptive streaming |
US10904313B2 (en) | 2017-06-20 | 2021-01-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatuses, methods, computer programs, and computer program products for live uplink adaptive streaming |
US10225211B2 (en) | 2017-07-20 | 2019-03-05 | Arris Enterprises Llc | Statistical multiplexer with service priority weighting |
EP4322495A1 (en) * | 2022-08-08 | 2024-02-14 | Rohde & Schwarz GmbH & Co. KG | Method as well as system for transmitting data by means of radio signals and adapting transmission rate of one or more entities by means of data encoding |
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US5550590A (en) * | 1994-03-04 | 1996-08-27 | Kokusai Denshin Denwa Kabushiki Kaisha | Bit rate controller for multiplexer of encoded video |
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2000
- 2000-09-20 US US09/666,901 patent/US7418007B1/en not_active Expired - Lifetime
-
2001
- 2001-08-13 TW TW090119789A patent/TW519834B/zh active
- 2001-08-31 AT AT01968344T patent/ATE381855T1/de not_active IP Right Cessation
- 2001-08-31 KR KR10-2003-7004012A patent/KR20030061806A/ko not_active Application Discontinuation
- 2001-08-31 WO PCT/US2001/027171 patent/WO2002025951A2/en active IP Right Grant
- 2001-08-31 EP EP01968344A patent/EP1320996B1/en not_active Expired - Lifetime
- 2001-08-31 DE DE60131993T patent/DE60131993T2/de not_active Expired - Lifetime
- 2001-08-31 AU AU2001288596A patent/AU2001288596A1/en not_active Abandoned
- 2001-08-31 CN CNB018160174A patent/CN1315328C/zh not_active Expired - Lifetime
- 2001-08-31 CA CA2422131A patent/CA2422131C/en not_active Expired - Lifetime
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US5550590A (en) * | 1994-03-04 | 1996-08-27 | Kokusai Denshin Denwa Kabushiki Kaisha | Bit rate controller for multiplexer of encoded video |
EP0685971A2 (en) * | 1994-05-25 | 1995-12-06 | Sony Corporation | Video coding apparatus comprising a plurality of encoders |
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Also Published As
Publication number | Publication date |
---|---|
US7418007B1 (en) | 2008-08-26 |
AU2001288596A1 (en) | 2002-04-02 |
WO2002025951A3 (en) | 2002-06-13 |
CN1461568A (zh) | 2003-12-10 |
EP1320996A2 (en) | 2003-06-25 |
DE60131993D1 (de) | 2008-01-31 |
TW519834B (en) | 2003-02-01 |
CA2422131A1 (en) | 2002-03-28 |
WO2002025951A2 (en) | 2002-03-28 |
DE60131993T2 (de) | 2008-12-11 |
KR20030061806A (ko) | 2003-07-22 |
ATE381855T1 (de) | 2008-01-15 |
CA2422131C (en) | 2012-05-15 |
EP1320996B1 (en) | 2007-12-19 |
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