1
Jeffrey M Chasen, Christopher N Wyman: System and method of managing metadata data. RealNetworks, Steven C Stewart, Schwabe Williamson & Wyatt P C, July 6, 2004: US06760721 (496 worldwide citation)

A system and method of the present invention allow users to access, manage, and edit information about content data, often referred to as metadata. Metadata is collected from various sources, added, and maintained in a metadata database. In addition, metadata is dynamically read from the metadata da ...


2
Robert D Glaser, Mark O Brien, Thomas B Boutell, Randy Glen Goldberg: Audio-on-demand communication system. RealNetworks, Knobbe Martens Olson & Bear, August 11, 1998: US05793980 (445 worldwide citation)

An audio-on-demand communication system provides real-time playback of audio data transferred via telephone lines or other communication links. One or more audio servers include memory banks which store compressed audio data. At the request of a user at a subscriber PC, an audio server transmits the ...


3
Mysore Y Jaisimha, Phillip L Barrett: System and method for regulating the transmission of media data. Realnetworks, Steven C Stewart, Realnetworks, Knobbe Martens Olson & Bear, November 26, 2002: US06487663 (277 worldwide citation)

A system and method regulate the transmission of media data. In accordance with one embodiment of the invention, a header portion of a media file is encoded to include an access code. The access code corresponds to one or more permitted methods by which the media file may be transmitted over a netwo ...


4
Robert D Glaser, Mark O Brien, Thomas B Boutell, Randy Glen Goldberg: Audio-on-demand communication system. RealNetworks, Knobbe Martens Olson & Bear, November 21, 2000: US06151634 (255 worldwide citation)

An audio-on-demand communication system provides real-time playback of audio data transferred via telephone lines or other communication links. One or more audio servers include memory banks which store compressed audio data. At the request of a user at a subscriber PC, an audio server transmits the ...


5
Bernd Girod, Staffan Ericsson, Yuriy A Resnik, Nikolaus Färber: Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts. Realnetworks, Kudirka & Jobse, November 12, 2002: US06480541 (132 worldwide citation)

A method for generating a digital motion video sequence at a plurality of bit rates uses a transitional coding source when switching between bitstreams having different bit rates during transmission of a video sequence. The transitional data may be frames coded using reconstructed frames reconstruct ...


6
Greg Conklin: System and method for intracoding video data. RealNetworks, Steven C Stewart, July 20, 2004: US06765964 (127 worldwide citation)

A video system for coding a stream of video data that includes a stream of video frames divides each video frame into a matrix of a plurality of subblocks, wherein each subblock includes a plurality of pixels. The video system operates in accordance with nine prediction modes. Each prediction mode d ...


7
Robert D Glaser, Mark O Brien, Thomas B Boutell, Randy Glen Goldberg: Multimedia communications system and method for providing audio on demand to subscribers. RealNetworks, Steven C Stewart, Schwabe Williamson & Wyatt P C, January 10, 2006: US06985932 (115 worldwide citation)

An audio-on-demand communication system provides real-time playback of audio data transferred via telephone lines or other communication links. One or more audio servers include memory banks which store compressed audio data. At the request of a user at a subscriber PC, an audio server transmits the ...


8
Jeremy P Chaney: System and method of providing for the control of a music player to a device driver. RealNetworks, Knobbe Martens Olson & Bear, June 26, 2007: US07237198 (111 worldwide citation)

A system and method of providing for the control of a music player to a device driver. One embodiment of the system comprises an electronic music player that is connected to a plurality of music renderers via device drivers via a music renderer controller. The music renderer controller comprises a d ...


9
Chris Carden: System and method for providing update information. RealNetworks, Steven C Stewart, February 7, 2006: US06996627 (100 worldwide citation)

A system and a method for providing update information. The system includes a client computer which is operably connected to a program information server. The program information server maintains one or more program information items. The system also includes a program selection server which allows ...


10
Alexander Ross, Björn Steffens, Norman Friedenberger, Andreas Spechtler: Method and system for improving the quality of deep metadata associated with media content. RealNetworks, Kory D Christensen, Stoel Rives, November 23, 2010: US07840581 (85 worldwide citation)

Methods and systems verify and control the quality of metadata associated with a media data file. The metadata may be used, for example, by media content recommendation systems. In one embodiment, a first attribute is selected from metadata associated with a media data file and an attribute dependen ...