Invention Grant
- Patent Title: Live-chase video-description buffer display
- Patent Title (中): 实时追踪视频描述缓冲区显示
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Application No.: US11934728Application Date: 2007-11-02
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Publication No.: US08374479B1Publication Date: 2013-02-12
- Inventor: Michael Irving Starling
- Applicant: Michael Irving Starling
- Applicant Address: US DC Washington
- Assignee: National Public Radio, Inc.
- Current Assignee: National Public Radio, Inc.
- Current Assignee Address: US DC Washington
- Agency: Wilmer Cutler Pickering Hale and Dorr LLP
- Main IPC: H04N5/932
- IPC: H04N5/932

Abstract:
Embodiments of the invention describe a method of generating an enhanced audio stream. The enhanced audio stream is generated from live audio received and accompanies a live video broadcast. This live audio is buffered and combined with a visual description of the live video broadcast. Together these form an enhanced audio stream. The visual description is entered by a visual describer while they are viewing a an instantaneously updated visual buffer size display. The visual buffer size display is calibrated to a pre-set maximum buffer size, and shows the pre-set maximum buffer size and the current buffer size in a visual manner. Further, live audio from the buffer that is inserted into the enhanced audio stream is compressed in time.
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