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  • 米国特許第5,175,769号 [国際特許WO9302446号] Method for Time-Scale modification of signals
    1992年12月29日:
    A time-domain based technique for performing Time-Scale modification of audio signals in an extremely efficient manner. For speech signals, the technique changes the perceived speaking rate without introducing noise, frequency changes, or other artifacts; while preserving speaker identity, intonation, and normal pitch dynamics.
  • 米国特許第6,370,688号 Method and apparatus for server broadcast of time-converging multi-media streams
    2002年4月9日:
    Technique and hardware for increasing the efficiency and capacity of media servers which provides unicast response-time then transitions users to multicast delivery mode for greater efficiency.
  • 米国特許第6,374,225号 Method and apparatus for Creation of Listener Interest Filtered Works
    2002年4月16日:
    Technique and apparatus for inferring listener interest and aptitude from observations of the user-selected playback speeds during media presentations on apparatus with variable speed playback (also known as Time-Scale modification) capability.
  • 米国特許第6,598,228号 Method and apparatus for controlling time-scale modification during multi-media broadcasts
    2003年7月22日:
    An embodiment of the present invention is a method for presentation of information received from a broadcaster which comprises the steps of: (a) receiving broadcast information; (b) receiving guidance information relating to presentation of the broadcast information; (c) analyzing the guidance information to determine a presentation rate; and (d) presenting the information at the presentation rate.
  • 米国特許第6,625,655号 Method and apparatus for continuous playback of streamed media
    2003年9月23日:
    An embodiment of the present invention is an apparatus for preparing streaming media such as an audio or audio-visual work for playback which comprises: (a) a buffer which stores data corresponding to the streaming media; (b) a buffer monitor which determines an amount of data stored in the buffer; (c) a rate determiner, in response to output from the buffer monitor, that determines a playback rate; and (d) a time-scale modification system, responsive to the playback rate, that time-scale modifies at least a portion of the data in the buffer. In a further embodiments, a playback system plays back the time-scale modified data as a portion of the streaming media.
  • 米国特許第6,625,656号 Method and apparatus for continuous playback of media
    2003年9月23日:
    An embodiment of the present invention is an apparatus for preparing media for playback which comprises: (a) a buffer which stores data corresponding to the media; (b) a time-scale modification system that time-scale modifies data output from the buffer at a playback rate; and (c) a rate determiner that determines the playback rate over an interval to control the amount of data in the buffer.
  • 米国特許第6,791,550号 Management of presentation time in a digital media presentation system with variable rate presentation capability
    2004年9月14日:
    Method for managing Presentation Time in a digital rendering system for presentation of temporally-ordered data when the digital rendering system includes a Variable Rate Presentation capability. In a particular, one embodiment of the present invention is a method for converting Presentation Time to Data Time, and for reporting Presentation Time when only one time can be returned.
  • 米国特許第6,801,888号 Method and apparatus to prepare listener-interest-filtered works
    2004年10月5日:
    An embodiment of the present invention is a method for generating a listener-interest-filtered work for an audio or audio-visual work, which method includes steps of: (a) generating one or more average speed contours for one or more audio or audio-visual works for one or more categories of users; (b) converting the one or more average speed contours to one or more conceptual speed association data structures; and forming a listener-interest-filtered conceptual speed association data structure from the one or more conceptual speed association data structures.
  • 米国特許第6,934,759号 Method and apparatus for user-time-alignment for broadcast works
    2005年8月23日:
    An embodiment of the present invention is a method for broadcasting information from a server to a client which includes the steps of: (a) broadcasting information at predetermined starting times; (b) receiving a request for the information from the client at an arrival time different from the predetermined starting times; and (c) transmitting a time-scale modified version of the information to the client for a period of time.
  • 米国特許第7,043,433号 [国際特許WO0120596号] Method and apparatus to determine and use audience affinity and aptitude
    2004年9月14日:
    Embodiments of the present invention provide method and apparatus for determining audience affinity and/or aptitude in portions of media works and for developing information that represent measures of the audience affinity and/or aptitude. Further embodiments of present invention provide method and apparatus for utilizing the information to create altered media works and/or to present the altered media works to an audience. One embodiment of the present invention is a method for inferring audience affinity or aptitude with regard to content or properties of portions of a media work which includes: (a) presenting the media work to an audience; (b) obtaining user input regarding presentation rates for the portions of the media work; (c) correlating content or properties of the portion with the presentation rates; and; (d) associating audience affinity or aptitude with the correlated content or properties.
  • 米国特許第7,100,188号 Method and apparatus for controlling time-scale modification during multi-media broadcasts
    2006年8月29日:
    One embodiment of the present invention is a method for presenting broadcast information that comprises steps of: (a) receiving broadcast information; (b) receiving guidance information relating to presentation of the broadcast information; (c) paying for a capability to alter or override at least a portion of the guidance information; (d) receiving user input to alter or override at least some of the guidance information; (e) analyzing the guidance information, the capability, and the user input to provide one or more presentation rates; and (f) presenting the information at the one or more presentation rates.
  • 米国特許第7,299,184号 [国際特許WO0022611号] Method and apparatus to prepare listener-interest-filtered works
    2007年11月20日
    : An embodiment of the present invention is a method for generating a listener-interest-filtered work for an audio or audio-visual work, which method includes steps of: (a) generating one or more average speed contours for one or more audio or audio-visual works for one or more categories of users; (b) converting the one or more average speed contours to one or more conceptual speed association data structures; and forming a listener-interest-filtered conceptual speed association data structure from the one or more conceptual speed association data structures.
  • 米国特許第7,464,396号 Transmission and receipt of time-converging multi-media streams
    2008年12月9日: An embodiment of the present invention is a method for transmitting a work to a client which includes steps of: (a) saving at least a portion of the work for a first period of time; (b) receiving a request for the work from the client; (c) transmitting a time-scale modified version of the saved portion of the work for a second period of time, wherein the second period of time is substantially equal to a time it takes for the time-scale modified version to synchronize with the work, had the work been transmitted from a start of the first period; and (d) transmitting the work starting at the synchronized point.
  • 米国特許第7,536,300号 Method and apparatus to determine and use audience affinity and aptitude
    2009年5月19日: Embodiments of the present invention provide method and apparatus for determining audience affinity and/or aptitude in portions of media works and for developing information that represent measures of the audience affinity and/or aptitude. Further embodiments of present invention provide method and apparatus for utilizing the information to create altered media works and/or to present the altered media works to an audience. One embodiment of the present invention is a method for inferring audience affinity or aptitude with regard to content or properties of portions of a media work which includes: (a) presenting the media work to an audience; (b) obtaining user input regarding presentation rates for the portions of the media work; (c) correlating content or properties of the portion with the presentation rates; and; (d) associating audience affinity or aptitude with the correlated content or properties.
  • 米国特許第7,683,903号 Management of presentation time in a digital media presentation system with variable rate presentation capability
    2010年3月23日: Techniques are provided for managing Presentation Time in a digital rendering system for presentation of temporally-ordered data when the digital rendering system includes a Variable Rate Presentation capability. In one embodiment, Presentation Time is converted to Data Time, and Data Time is reported instead of Presentation Time when only one time can be reported. In another embodiment, a predetermined one of Presentation Time and Data Time is returned in response to a request for a Current Time.
  • 米国特許第7,703,117号 Method and apparatus for controlling time-scale modification during multi-media broadcasts
    2010年3月23日: One embodiment of the present invention is a method for broadcasting information to a client device, which device utilizes presentation rates to present information at various presentation rates, and which method includes: (a) broadcasting information; and (b) broadcasting guidance information used to determine presentation rates for use by the client device in presentation of the information; wherein the guidance information comprises insistence information that specifies a measure of importance of utilizing presentation rate information contained in the guidance information.
  • 米国特許第7,802,003号 Method and apparatus for multicasting data on a network at predetermined starting times
    2010年9月21日: An embodiment of the present invention is a method for broadcasting information from a server to a client which includes the steps of: (a) broadcasting information at predetermined starting times; (b) receiving a request for the information from the client at an arrival time different from the predetermined starting times; and (c) transmitting a time-scale modified version of the information to the client for a period of time.
 

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