ClassID:

230615

H04N21/44055 - CPC Classification

Classification description:

Selective content distribution, e.g. interactive television or video on demand [VOD]; Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof; Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware; Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted

Recent Application in this class:
#1
20250168427
2025-05-22

Systems and Methods for Protecting Elementary Bitstreams Incorporating Independently Encoded Tiles

#2
20240364948
2024-10-31

Systems and Methods for Protecting Elementary Bitstreams Incorporating Independently Encoded Tiles

#3
20240305839
2024-09-12

SECURE DECODER AND SECURE DECODING METHODS

#4
20220408132
2022-12-22

Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles

#5
20210120278
2021-04-22

Digital encryption of tokens within videos

#6
20200411045
2020-12-31

Method of playing system stream files with different recording formats

#7
20200351250
2020-11-05

Providing Load Balanced Secure Media Content and Data Delivery in a Distributed Computing Environment

#8
20200143834
2020-05-07

Method of playing system stream files with different recording formats

#9
20200143833
2020-05-07

Method of playing system stream files with different recording formats

#10
20200137435
2020-04-30

Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles

#11
20200007931
2020-01-02

Artificial intelligence inference on protected media content in a vision processing unit

#12
20190335233
2019-10-31

Method and apparatus for protecting data via application of corrupting function and complimentary restitution at video processing endpoints

#13
20190218407
2019-07-18

Method and apparatus for redacting video for compression and identification of releasing party

#14
20190139573
2019-05-09

Method of playing system stream files with different recording formats

#15
20190014090
2019-01-10

Providing Load Balanced Secure Media Content and Data Delivery in a Distributed Computing Environment

#16
20180352281
2018-12-06

Conditional access method and system for intelligent operating system

#17
20180352266
2018-12-06

Digital encryption of tokens within videos

#18
20180341777
2018-11-29

MPEG transport frame synchronization

#19
20180270208
2018-09-20

IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD

#20
20180198542
2018-07-12

Receiver apparatus and method for controlling the access to contents broadcasted via satellite

#21
20180122420
2018-05-03

Method of playing system stream files with different recording formats

#22
20170366829
2017-12-21

Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles

#23
20170366517
2017-12-21

Providing load balanced secure media content and data delivery in a distributed computing environment

#24
20170279604
2017-09-28

Encoder, decoder and methods employing partial data encryption

#25
20170208361
2017-07-20

Method of access to multimedia content protected by a terminal

#26
20170195718
2017-07-06

Edge media router device for facilitating distribution and delivery of media content having end-to-end encryption

#27
20170195697
2017-07-06

Media distribution with sample variants for normalized encryption

#28
20170171611
2017-06-15

System and method for facilitating fast channel change

#29
20170171610
2017-06-15

System and method for media delivery using common mezzanine distribution format

#30
20170164046
2017-06-08

METHODS AND APPARATUS FOR PERSISTENT CONTROL AND PROTECTION OF CONTENT

#31
20170098088
2017-04-06

MPEG transport frame synchronization

#32
20170094372
2017-03-30

Device and method for processing image

#33
20170026673
2017-01-26

Constructing a transport stream

#34
20160364551
2016-12-15

Enabling content protection over broadcast channels

#35
20160344546
2016-11-24

Distributed storage network and method for storing and retrieving encryption keys

#36
20160301670
2016-10-13

System and method for signaling segment encryption and key derivation for adaptive streaming

#37
20160283722
2016-09-29

Systems and methods for protecting video content

#38
20160219023
2016-07-28

Reducing start-up delay in streaming media sessions

#39
20160205077
2016-07-14

Low latency active noise cancellation system with client intercommunication

#40
20160191993
2016-06-30

Source identification for unauthorized copies of content

#41
20160072773
2016-03-10

Lossy data stream decoder

#42
20160070887
2016-03-10

Media decoding control with hardware-protected digital rights management

#43
20160044346
2016-02-11

Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles

#44
20150181308
2015-06-25

Container agnostic decryption device and methods for use therewith

#45
20150149785
2015-05-28

Generating fingerprinted content data for provision to receivers

#46
20140314233
2014-10-23

Protected media decoding using a secure operating system

#47
20140281550
2014-09-18

Distributed storage network and method for storing and retrieving encryption keys

#48
20140259086
2014-09-11

Constructing a transport stream

#49
20140245400
2014-08-28

Progressive download or streaming of digital media securely through a localized container and communication protocol proxy

#50
20140229974
2014-08-14

Information processing apparatus, information processing system, information processing method, television program broadcasting method, program, and information storage media

#51
20140223180
2014-08-07

Method and apparatus for allowing software access to navigational data in a decrypted media stream while protecting stream payloads

#52
20140189728
2014-07-03

System and method of adaptive and progressive descrambling of digital image content

#53
20140123170
2014-05-01

Systems and methods for securely providing streaming media content on-demand

#54
20140064484
2014-03-06

Methods and apparatus for persistent control and protection of content

#55
20140037272
2014-02-06

Eliminating plaintext video from external memory

#56
20140023277
2014-01-23

Image synthesis processor and image synthesis method

#57
20140019744
2014-01-16

Right of individual privacy and public safety protection via double encrypted lock box

#58
20130205331
2013-08-08

Encrypted memory device and methods for use therewith

#59
20130202110
2013-08-08

Container agnostic decryption device and methods for use therewith

#60
20130202109
2013-08-08

Container agnostic encryption device and methods for use therewith

#61
20120311721
2012-12-06

Progressive download or streaming of digital media securely through a localized container and communication protocol proxy

#62
20120291061
2012-11-15

Process and system for the secure broadcasting of protected audiovisual streams to a dynamic group of receivers

#63
20120288091
2012-11-15

Content receiving device, content reproducing device, content receiving and reproducing device, content receiving method, and program

#64
20120213363
2012-08-23

DEVICE FOR AND A METHOD OF PROCESSING A DATA STREAM

#65
20120134496
2012-05-31

Partial encryption using variable block sizes

#66
20120106736
2012-05-03

Methods and apparatus for mixing encrypted data with unencrypted data

#67
20120070031
2012-03-22

Information processor, information processing method, and program for content delivery

#68
20120066709
2012-03-15

APPARATUS AND METHOD FOR PROVIDING STEREOSCOPIC IMAGE CONTENTS

#69
20120002809
2012-01-05

Video slice and active region based multiple partial encryption

#70
20110311045
2011-12-22

Partial multiple encryption

#71
20110258436
2011-10-20

System and method for providing searchable data transport stream encryption

#72
20110222687
2011-09-15

Apparatus and method for encrypting image data, and decrypting the encrypted image data, and image data distribution system

#73
20110211695
2011-09-01

Broadcasting variants of digital signals in a conditional access system

#74
20110194689
2011-08-11

Encrypted signal detection circuit and video device using the same

#75
20110188652
2011-08-04

ENCRYPTION APPARATUS, DECRYPTION APPARATUS, ENCRYPTION METHOD, AND DECRYPTION METHOD

#76
20110157473
2011-06-30

METHOD, APPARATUS, AND SYSTEM FOR SIMULTANEOUSLY PREVIEWING CONTENTS FROM MULTIPLE PROTECTED SOURCES

#77
20110119699
2011-05-19

Process and system for the secure broadcasting of protected audiovisual streams to a dynamic group of receivers

#78
20110119480
2011-05-19

Methods and apparatuses for selective data encryption

#79
20110083009
2011-04-07

Methods and apparatus for persistent control and protection of content

#80
20110078722
2011-03-31

METHOD FOR DISPLAYING ENHANCED VIDEO CONTENT

#81
20110069835
2011-03-24

Method and apparatus for allowing software access to navigational data in a decrypted media stream while protecting stream payloads

#82
20110044452
2011-02-24

Method and device for the partial encryption of a digital content

#83
20110017825
2011-01-27

Expanded smart card interface

#84
20100332343
2010-12-30

METHOD FOR DISPLAYING MULTIMEDIA CONTENT WITH VARIABLE INTERFERENCE BASED ON RECEIVER/DECODER LOCAL LEGISLATION

#85
20100232604
2010-09-16

CONTROLLING ACCESS TO CONTENT USING MULTIPLE ENCRYPTIONS

#86
20100208891
2010-08-19

Method and system for the secure distribution of audiovisual data by transactional marking

#87
20100189254
2010-07-29

Slice mask and moat pattern partial encryption

#88
20100172497
2010-07-08

Partial multiple encryption

#89
20100135489
2010-06-03

Eliminating plaintext video from external memory

#90
20100128871
2010-05-27

Method and system for the secured distribution of audiovisual data by transaction marking

#91
20100046751
2010-02-25

Packet based high definition high-bandwidth digital content protection

#92
20100040228
2010-02-18

Personalized marking for protecting digital audiovisual streams

#93
20100024043
2010-01-28

METHOD FOR CONTROLLING ACCESS TO A SCRAMBLED DIGITAL CONTENT

#94
20100020811
2010-01-28

Content replacement by PID mapping

#95
20100017498
2010-01-21

Process and device for securing the transmission, recording and viewing of digital audiovisual packetized streams

#96
20090323936
2009-12-31

System, method, and service for performing unified broadcast encryption and traitor tracing for digital content

#97
20090208006
2009-08-20

Encryption system for satellite delivered television

#98
20090193488
2009-07-30

Digital broadcasting receiving apparatus and scramble channel deciding method capable of shortening time required for scramble decision

#99
20090180613
2009-07-16

Adaptive and progressive protection of fixed images encoded in wavelets

#100
20090169001
2009-07-02

System and Method for Encryption and Secure Transmission of Compressed Media

#101
20090168892
2009-07-02

System and method for securely transmitting video over a network

#102
20090161755
2009-06-25

Device adaptive video transmission system for use with layered video coding and methods for use therewith

#103
20090147954
2009-06-11

Partial dual-encryption using program map tables

#104
20090136030
2009-05-28

Video monitoring system with video signal encrypted and the method for the same

#105
20090132776
2009-05-21

Data processing device, data processing method, data processing program, recording medium containing the data processing program and integrated circuit

#106
20090110059
2009-04-30

METHOD AND SYSTEM FOR TRANSMITTING END-USER ACCESS INFORMATION FOR MULTIMEDIA CONTENT

#107
20090097646
2009-04-16

Digital video recorder anti-skip system

#108
20090080653
2009-03-26

Partial encryption storage medium

#109
20090070886
2009-03-12

METHOD FOR SECURELY DELIVERING AUDIOVISUAL SEQUENCES, DECODER AND SYSTEM THEREFOR

#110
20090034721
2009-02-05

Encrypting and decrypting a data stream

#111
20090010429
2009-01-08

APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING VIDEO DATA IN DIGITAL BROADCASTING SERVICE

#112
20090010426
2009-01-08

System and method for providing load balanced secure media content and data delivery in a distributed computing environment

#113
20090006961
2009-01-01

INFORMATION PROCESSING APPARATUS AND VIDEO AND AUDIO INFORMATION PROTECTING METHOD

#114
20090003600
2009-01-01

Progressive download or streaming of digital media securely through a localized container and communication protocol proxy

#115
20080317436
2008-12-25

DIGITAL SIGNAL RECORDER WITH SELECTIVE ENCRYPTION AND KEY GENERATION

#116
20080317246
2008-12-25

Device for and a method of processing data stream

#117
20080310630
2008-12-18

Selective encryption to enable trick play with enhanced security

#118
20080279376
2008-11-13

System, method, and service for performing unified broadcast encryption and traitor tracing for digital content

#119
20080276083
2008-11-06

Method for Transmitting a Message Containing a Description of an Action to be Executed in a Receiver Equipment

#120
20080267400
2008-10-30

Multiple partial encryption

#121
20080159531
2008-07-03

Video slice and active region based multiple partial encryption

#122
20080137852
2008-06-12

Method and system for a transport single key change point for all package identifier channels

#123
20080137851
2008-06-12

Native scrambling system

#124
20080134342
2008-06-05

Methods and Apparatus for Persistent Control and Protection of Content

#125
20080123739
2008-05-29

Wireless Transmission of High Quality Video

#126
20080120675
2008-05-22

Home gateway for multiple units

#127
20080107263
2008-05-08

System, method & apparatus for display screen security

#128
20080095364
2008-04-24

Partial encryption

#129
20080085000
2008-04-10

Content selection for partial encryption

#130
20080040805
2008-02-14

Methods and apparatus for providing a secure buffer

#131
20080013725
2008-01-17

Content-protected digital link over a single signal line

#132
20080013724
2008-01-17

Methods and apparatus for persistent control and protection of content

#133
20070291942
2007-12-20

Scene change detection

#134
20070291940
2007-12-20

Selective encryption encoding

#135
20070286420
2007-12-13

ENCRYPTION OF VIDEO CONTENT TO VOD SERVICES AND NETWORKED PERSONAL VIDEO RECORDERS USING UNIQUE KEY PLACEMENTS

#136
20070271470
2007-11-22

Upgrading of encryption

#137
20070255845
2007-11-01

Mobile device control of mobile television broadcast signals from broadcaster

#138
20070223695
2007-09-27

Method for broadcasting digital data to a targeted set of reception terminals

#139
20070211891
2007-09-13

Methods and apparatus for persistent control and protection of content

#140
20070201693
2007-08-30

INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD PERFORMING DECODING OR ENCRYPTION

#141
20070198414
2007-08-23

Method and system for selectively providing access to content

#142
20070189578
2007-08-16

Computer-implemented method and system for perceptual cryptography in file-sharing environments

#143
20070189529
2007-08-16

Encryption/decryption of program data but not PSI data

#144
20070189525
2007-08-16

Method and system providing scrambled content

#145
20070172067
2007-07-26

System for selective data transmission

#146
20070165842
2007-07-19

Highly secured method and device for distributing audio-visual streams

#147
20070143784
2007-06-21

Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device

#148
20070140307
2007-06-21

High Definition Media Storage Structure and Playback Mechanism

#149
20070116277
2007-05-24

Method and system for encryption/decryption of scalable video bitstream for conditional access control based on multidimensional scalability in scalable video coding

#150
20070101357
2007-05-03

Broadcast conditional access system with impulse purchase capability in a two-way network

#151
20070098167
2007-05-03

Information processing device, information recording medium and information processing method, and computer program

#152
20070098166
2007-05-03

Slice mask and moat pattern partial encryption

#153
20070098000
2007-05-03

Method of partially scrambling a data stream

#154
20070083467
2007-04-12

Partial encryption techniques for media data

#155
20070002900
2007-01-04

Method, system and network entity for data transmission and reception with header protection

#156
20060291803
2006-12-28

System and method for providing searchable data transport stream encryption

#157
20060285686
2006-12-21

Apparatus and method for processing streams

#158
20060269060
2006-11-30

Partial encryption and PID mapping

#159
20060262926
2006-11-23

Time division partial encryption

#160
20060233369
2006-10-19

Partial dual encrypted stream utilizing program map tables

#161
20060227250
2006-10-12

Detecting a content item in a digital video stream

#162
20060215875
2006-09-28

Adaptive and progressive protection of fixed images encoded in wavelets

#163
20060195875
2006-08-31

Method and equipment for distributing digital video products with a restriction of certain products in terms of the representation and reproduction rights thereof

#164
20060195702
2006-08-31

Moving image distribution system, moving image dividing system, moving image distribution program, moving image dividing program, and recording medium storing moving image distribution program and/or moving image dividing program

#165
20060184790
2006-08-17

Protecting elementary stream content

#166
20060168616
2006-07-27

Targeted advertisement selection from a digital stream

#167
20060153379
2006-07-13

Partial encryption and PID mapping

#168
20060143481
2006-06-29

System, method, and apparatus for securely providing content viewable on a secure device

#169
20060115083
2006-06-01

Partial encryption and PID mapping

#170
20060107333
2006-05-18

Communication method and system between a recording and/or reproducing device and a remote unit

#171
20060101287
2006-05-11

System, method, and apparatus for securely providing content viewable on a secure device

#172
20060088163
2006-04-27

Integrated circuit capable of pre-descrambling a portion of a frame

#173
20060088162
2006-04-27

Synchronization of secured audiovisual streams

#174
20060072559
2006-04-06

Process and device for securing the transmission, recording and viewing of digital, audiovisual packetized streams

#175
20060036551
2006-02-16

Protecting elementary stream content

#176
20050289064
2005-12-29

Personalized markup for protecting numerical audiovisual streams

#177
20050283811
2005-12-22

Process for distributing video sequences, decoder and system for carrying out this process

#178
20050283791
2005-12-22

Method and apparatus for distributing media in a pay per play architecture with remote playback within an enterprise

#179
20050276416
2005-12-15

Scalable layered access control for multimedia

#180
20050259821
2005-11-24

Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device

#181
20050259813
2005-11-24

Method for partially encrypting program data

#182
20050232419
2005-10-20

Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device

#183
20050232418
2005-10-20

Method of distributing encrypted portions of an audiovisual programme

#184
20050226417
2005-10-13

Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device

#185
20050216752
2005-09-29

Common scrambling

#186
20050213760
2005-09-29

Device for the transformation of MPEG 2-type multimedia and audiovisual contents into secured contents of the same type

#187
20050207580
2005-09-22

Packet-based and pseudo-packet-based cryptographic synchronization systems and methods

#188
20050207576
2005-09-22

Method and apparatus for processing a stream that contains encrypted information

#189
20050185821
2005-08-25

System and process for adaptive and progressive scrambling of video streams

#190
20050141713
2005-06-30

Selective multimedia data encryption

#191
20050135618
2005-06-23

Methods and apparatus for mixing encrypted data with unencrypted data

#192
20050114909
2005-05-26

High definition media storage structure and playback mechanism

#193
20050097340
2005-05-05

Default encryption and decryption

#194
20050094810
2005-05-05

Architecture and method of multilayered DRM protection for multimedia service

#195
20050089164
2005-04-28

System and method for the production and distribution of copy-protected and use-protected electronic audio and visual media and the data contents thereof

#196
20050078820
2005-04-14

Information processing method, information processing apparatus, program, and storage medium

#197
20050069132
2005-03-31

Transport stream encryption device and its editing device and method for use therein

#198
20050069130
2005-03-31

Packet based high definition high-bandwidth digital content protection

#199
20050044045
2005-02-24

Access control for digital content

#200
20050040973
2005-02-24

Video scramble/descramble apparatus

#201
20050028192
2005-02-03

Access control for digital video stream data

#202
20050010790
2005-01-13

Cryptographic module for the storage and playback of copy-protected electronic tone and image media which is protected in terms of use

#203
20050005287
2005-01-06

Networked multimedia overlay system

#204
20050005143
2005-01-06

System and method for the copy-protected and use-protected coding and decoding transmission and storage of electronic audio and visual media