AVS Part 1 System

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AVS Part 1System
Chinese Information technology - Advanced coding
of audio and video

• CUI BIN
• AVS team of the MPL at UTA

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AVS comprises 10 parts

• Part I System
• Part 2 Video
• Part 3 Audio
• Part 4 Compliance Tests
• Part 5 Reference Software
• Part 6 Digital Rights Management
• Part 7 Mobile Video
• Part 8 Transmission of AVS by IP Network
• Part 9 Format of AVS
• Part 10Mobile Audio Speech

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AVS part 1

• Part 1 of AVS addresses the combining of one or
  more elementary streams of video and audio
• Convert data into single or multiple streams
  which are suitable for storage or transmission.

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AVS System
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AVS Bit-streams

• ES
• Elementary Stream
• PES
• Packetized Elementary Stream
• TS
• Transport Stream
• PS
• Program stream

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PES

• PES is an abbreviation for packetized elementary
  stream.
• PESs syntax and semantics are used to
  encapsulate the audio and the video elementary
  stream information

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Syntax of PES
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Multiplex
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PS ( Program Stream)

• The PS is designed for use in relatively
  error-free environments
• PS packets may be of variable and have relatively
  great lengths

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Decoder of PS
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Syntax of PS
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PS Map
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TS ( Transport Stream )

• The Transport Stream is designed for use in
  environments where errors are likely
• The TS combines one or more PES with one or more
  independent time bases into a single stream
• TS packets are 188 bytes long

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TS Decoder
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TS decoder
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Transport Stream
PEIT program element information table
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TS map
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Switch of PS and TS

• PS and TS can be interchangeable with each other
• Switch according to the public interchange format
  of PES Packet

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Reference

• 1 Dandan Ding et al., "Reconfigurable video
  coding framework and decoder reconfiguration
  instantiation of AVS", Signal Processing Image
  Communication, vol. 24, pp. 287-299, April 2009.
• 2 Junhao Zheng et al., "An efficient VLSI
  architecture for CABAC of AVS HDTV decoder",
  Signal Processing Image Communication, vol. 24,
  pp. 324-332, April 2009.
• 3 Lu Yu, SijiaChen and JianpengWang, "Overview
  of AVS-video coding standards", Signal
  Processing Image Communication, vol. 24, pp.
  247-262, April 2009.
• 4 Huizhu Jia et al., "An AVS HDTV video decoder
  architecture employing efficient HW/SW
  partitioning", IEEE Trans. on Consumer
  Electronics, vol. 52, pp. 1447-1453, Oct. 2006.
• 5 A. Ehret et al., "Audio coding technology of
  ExAC", Intelligent Multimedia, Video and Speech
  Processing, 2004. , pp. 290-293, Hong Kong,
  China, Oct. 2004.
• 6 Cong Peng et al., "Architecture of AVS
  hardware decoding system", Intelligent
  Multimedia, Video and Speech Processing, 2004.,
  pp. 306-309, Hong Kong, Oct. 2004.
• 7 Per Ekstrand, "Bandwidth extension of audio
  signals by spectral band replication", Proc. 1st
  IEEE Benelux Workshop on Model based Processing
  and Coding of Audio, pp. 53-58, Leuven, Belgium,
  Nov. 2002.

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Reference

• 8 Martin Dietz and Stefan Meltzer,
  "CT-aacPlusa state-of-the-art audio coding
  system", EBU Technical Review, July 2002.
• 9 Davis Pan and I. L. Schaumburg, "A tutorial
  on MPEG/audio compression", IEEE Multimedia,
  vol. 2, pp. 60-74, 1995.
• 10 Xin Jin, Songnan Li and King Ngi Ngan,
  "Platform-independent MB-based AVS video standard
  implementation", Signal Processing Image
  Communication, vol. 24, pp. 312-323, April 2009.
• 11 Qitong Yang et al., "An Efficient Hardware
  Implementation for Intra Prediction of AVS
  Encoder", IEEE ICALIP 2008 pp. 200-205, Shanghai,
  July 2008.
• 12 Leirui Wang et al., "Hardware Implementation
  of Transform and Quantization for AVS Encoder",
  IEEE ICALIP 2008 pp. 843-847, Shanghai, July
  2008.
• 13 Xin Jin, Songnan Li and King Ngi Ngan, "AVS
  Video Standard Implementation For SOC Design",
  IEEE Int. Conference Neural Networks Signal
  Processing, Zhenjiang, June 2008.
• 14 Hai bing Yin et al., "An efficient VLSI
  architecture for rate disdortion optimization in
  AVS video encoder", IEEE International Symposium
  on Circuits and Systems,IEEE ISCAS 2008, pp.
  2805-2808, 2008.
• 15Yan Min and Hu Guorong, "Evaluation of Codec
  Performance of AVS Audio", Information Technology
  Standardization, vol.2, pp.22-25,2006.

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Thank You!