WO2004068838A3 - Robust mode staggercasting reduced resolution video for mobile receiver - Google Patents

Robust mode staggercasting reduced resolution video for mobile receiver Download PDF

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Publication number
WO2004068838A3
WO2004068838A3 PCT/US2004/001746 US2004001746W WO2004068838A3 WO 2004068838 A3 WO2004068838 A3 WO 2004068838A3 US 2004001746 W US2004001746 W US 2004001746W WO 2004068838 A3 WO2004068838 A3 WO 2004068838A3
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WO
WIPO (PCT)
Prior art keywords
mobile receiver
signal
resolution video
reduced resolution
robust mode
Prior art date
Application number
PCT/US2004/001746
Other languages
French (fr)
Other versions
WO2004068838A2 (en
Inventor
Jeffrey Cooper
Kumar Ramaswamy
Jill Boyce
Original Assignee
Thomson Licensing Sa
Jeffrey Cooper
Kumar Ramaswamy
Jill Boyce
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 Thomson Licensing Sa, Jeffrey Cooper, Kumar Ramaswamy, Jill Boyce filed Critical Thomson Licensing Sa
Priority to BRPI0407034-8A priority Critical patent/BRPI0407034A/en
Priority to MXPA05008009A priority patent/MXPA05008009A/en
Priority to EP04704445A priority patent/EP1588547A4/en
Priority to US10/543,483 priority patent/US8126061B2/en
Priority to JP2006502938A priority patent/JP4764816B2/en
Publication of WO2004068838A2 publication Critical patent/WO2004068838A2/en
Publication of WO2004068838A3 publication Critical patent/WO2004068838A3/en

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    • HELECTRICITY
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    • H04N9/804Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
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Abstract

A method and apparatus for staggercasting to a mobile receiver (Fig. 1), includes encoding a first signal representing content at a first quality (120) and encoding a second signal representing the content at a second quality different than the first quality (110). A composite signal (115) comprising the first and second encoded signals, wherein the first encoded signal is delayed (130) with respect to the second encoded signal (110), is broadcast. The broadcast composite signal receiving at the mobile receiver where the received encoded signal having the lower quality is extracted from the received composite signal and the extracted encoded signal is decoded (Fig. 2).
PCT/US2004/001746 2003-01-28 2004-01-22 Robust mode staggercasting reduced resolution video for mobile receiver WO2004068838A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BRPI0407034-8A BRPI0407034A (en) 2003-01-28 2004-01-22 low-resolution video for ruggedized mobile receiver scaled mode
MXPA05008009A MXPA05008009A (en) 2003-01-28 2004-01-22 Robust mode staggercasting reduced resolution video for mobile receiver.
EP04704445A EP1588547A4 (en) 2003-01-28 2004-01-22 Robust mode staggercasting reduced resolution video for mobile receiver
US10/543,483 US8126061B2 (en) 2003-01-28 2004-01-22 Robust mode staggercasting reduced resolution video for mobile receiver
JP2006502938A JP4764816B2 (en) 2003-01-28 2004-01-22 Robust mode staggercast of reduced resolution video for mobile receivers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44367203P 2003-01-28 2003-01-28
US60/443,672 2003-01-28

Publications (2)

Publication Number Publication Date
WO2004068838A2 WO2004068838A2 (en) 2004-08-12
WO2004068838A3 true WO2004068838A3 (en) 2005-12-29

Family

ID=32825358

Family Applications (9)

Application Number Title Priority Date Filing Date
PCT/US2004/001583 WO2004070986A2 (en) 2003-01-28 2004-01-20 Robust mode staggercasting
PCT/US2004/001528 WO2004070952A2 (en) 2003-01-28 2004-01-21 Robust mode staggercasting without artifacts
PCT/US2004/001620 WO2004071064A2 (en) 2003-01-28 2004-01-21 Robust mode staggercasting with adjustable delay offset
PCT/US2004/001746 WO2004068838A2 (en) 2003-01-28 2004-01-22 Robust mode staggercasting reduced resolution video for mobile receiver
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