Processing identifiable video streams of a program according to stream type values

a technology of stream type and video stream, applied in the field of digital television, can solve problems such as the most severe consumption of processing resources

Inactive Publication Date: 2009-04-23
CISCO TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The 1080P format shows 60 frames per second, each frame being a progressive picture, and results in a doubling of the most severe consumption of processing resources.

Method used

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  • Processing identifiable video streams of a program according to stream type values
  • Processing identifiable video streams of a program according to stream type values
  • Processing identifiable video streams of a program according to stream type values

Examples

Experimental program
Comparison scheme
Effect test

example 1

, IBBBP . . . :

[0079]Before temporal reference number (TRN) correction:

PID A: I3_B1_P7_B5_P11_B9_P15_B13—

PID B: _B0_B2_B4_B6_B8_B0_B12_B14

[0080]After TRN correction:

PID A: I1_B0_P3_B2_P5_B4_P7_B6—

PID B: _B0_B1_B2_B3_B4_B5_B6_B7

example 2

, IBP . . . :

[0081]Before TRN correction:

PID A: I1_P3_P5_P7_P9_P11_P13_P15—

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PUM

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Abstract

Methods and systems for the efficient and non-redundant transmission of a single video program in multiple frame rates, optionally employing a combination of video coding standards, in a way that is backwards-compatible with legacy receivers only supportive of some subsection of frame rates or of some subsection of video coding standards.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is a divisional of copending U.S. utility application entitled, “Higher Picture Rate HD Encoding and Transmission with Legacy HD Backward Compatibility,” having Ser. No. 11 / 132,060, filed May 18, 2005, which is entirely incorporated herein by reference.TECHNICAL FIELD[0002]The present invention relates to digital television and, more specifically to receivers with different capabilities for receiving, processing and displaying the same emission of a compressed video signal, each receiver providing one in a plurality of picture formats according to its respective capability.BACKGROUND OF THE INVENTION[0003]There are many different digital television compressed video picture formats, some of which are HD. HDTV currently has the highest digital television spatial resolution available. The picture formats currently used in HDTV are 1280×720 pixels progressive, 1920×1080 pixels interlaced, and 1920×1080 pixels progressive. Thes...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): H04N11/02
CPCH04N7/012H04N21/234309H04N21/234363H04N21/235H04N21/440263H04N21/2662H04N21/435H04N21/4402H04N21/440218H04N21/25808H04N21/2365H04N21/85406
InventorRODRIGUEZ, ARTURO A.COOK, BENJAMINHOPPER, JEFFREY C.
OwnerCISCO TECH INC