WO2008129668A1 - Communication apparatus and codec method - Google Patents

Communication apparatus and codec method Download PDF

Info

Publication number
WO2008129668A1
WO2008129668A1 PCT/JP2007/058367 JP2007058367W WO2008129668A1 WO 2008129668 A1 WO2008129668 A1 WO 2008129668A1 JP 2007058367 W JP2007058367 W JP 2007058367W WO 2008129668 A1 WO2008129668 A1 WO 2008129668A1
Authority
WO
WIPO (PCT)
Prior art keywords
codec
uplink
downlink
established
capability
Prior art date
Application number
PCT/JP2007/058367
Other languages
French (fr)
Japanese (ja)
Inventor
Hiroyuki Sato
Noboru Obana
Takeshi Yamaguchi
Original Assignee
Panasonic Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009510702A priority Critical patent/JP4928604B2/en
Priority to PCT/JP2007/058367 priority patent/WO2008129668A1/en
Publication of WO2008129668A1 publication Critical patent/WO2008129668A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/162—User input

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

A communication apparatus wherein codec capabilities are individually established for uplink and downlink channels, thereby preventing any unnecessarily low codec capability from being established for each of the uplink and downlink channels and further preventing the audio or video quality from being degraded. In this apparatus, a condition selecting part (201) accepts a selection of a condition for establishing a codec capability. A codec establishing part (202) establishes the uplink and downlink codec capabilities individually. An uplink codec processing part (203) uses the established uplink codec capability to encode an uplink packet data. A downlink codec processing part (204) uses the established downlink codec capability to decode a downlink packet data. A call control processing part (205) performs a call control.
PCT/JP2007/058367 2007-04-17 2007-04-17 Communication apparatus and codec method WO2008129668A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009510702A JP4928604B2 (en) 2007-04-17 2007-04-17 Communications system
PCT/JP2007/058367 WO2008129668A1 (en) 2007-04-17 2007-04-17 Communication apparatus and codec method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/058367 WO2008129668A1 (en) 2007-04-17 2007-04-17 Communication apparatus and codec method

Publications (1)

Publication Number Publication Date
WO2008129668A1 true WO2008129668A1 (en) 2008-10-30

Family

ID=39875217

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/058367 WO2008129668A1 (en) 2007-04-17 2007-04-17 Communication apparatus and codec method

Country Status (2)

Country Link
JP (1) JP4928604B2 (en)
WO (1) WO2008129668A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017065261A (en) * 2015-09-28 2017-04-06 大日本印刷株式会社 Decorative sheet, decorative laminate and decorative resin molding

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0965312A (en) * 1995-08-28 1997-03-07 Toshiba Corp Video conference system
JP2001333102A (en) * 2000-05-24 2001-11-30 Hitachi Ltd Communication equipment, communication system and communication method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4454635B2 (en) * 2004-11-29 2010-04-21 シャープ株式会社 BAND ALLOCATION METHOD, BAND ALLOCATION PROGRAM, AND PROGRAM RECORDING MEDIUM

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0965312A (en) * 1995-08-28 1997-03-07 Toshiba Corp Video conference system
JP2001333102A (en) * 2000-05-24 2001-11-30 Hitachi Ltd Communication equipment, communication system and communication method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017065261A (en) * 2015-09-28 2017-04-06 大日本印刷株式会社 Decorative sheet, decorative laminate and decorative resin molding

Also Published As

Publication number Publication date
JP4928604B2 (en) 2012-05-09
JPWO2008129668A1 (en) 2010-07-22

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