Synchronous transcript display with audio/video stream in web cast environment

• US 8,682,672 B1
• Filed: 09/17/2004
• Issued: 03/25/2014
• Est. Priority Date: 09/17/2004
• Status: Active Grant

• Current Assignee: ON24, Inc.
• Original Assignee: ON24, Inc.
• Inventors: Ghosh, Kamalaksha, Ha, Tommy
• Primary Examiner(s): Desir, Pierre-Louis
• Assistant Examiner(s): Baker, Matthew
• Application Number:
  US10/944,258
• Time in Patent Office: 3,476 Days
• Field of Search: None
• US Class Current: 704/270
• CPC Class Codes: G06F 16/7867 using information manually generated, e.g. tags, keywords, comments, title and artist information, manually generated time, location and usage information, user ratings
• CPC Class Codes: G06F 3/1423 controlling a plurality of local displays, e.g. CRT and flat panel display
• CPC Class Codes: G09B 5/02 with visual presentation of the material to be studied, e.g. using film strip
• CPC Class Codes: G09G 2370/02 Networking aspects
• CPC Class Codes: G09G 5/12 Synchronisation between the display unit and other units, e.g. other display units, video-disc players
• CPC Class Codes: H04N 21/234336 by media transcoding, e.g. video is transformed into a slideshow of still pictures or audio is converted into text
• CPC Class Codes: H04N 21/43072 of multiple content streams on the same device
• CPC Class Codes: H04N 21/47217 for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks specific graphical features in visual interfaces H04N21/4312
• CPC Class Codes: H04N 7/15 Conference systems

Abstract

A system and method is described that permits synchronization of a transcript with an audio/video stream of a webcast. The system also permits a user to perform a search of the transcript and then to jump in the webcast audio/video stream to the point identified during the search.

Claims

1. An apparatus for synchronizing a transcript to a presentation, comprising:

a client computer;

a server computer that generates and delivers presentation data to the client computer over a computer network, the presentation data comprising media data, transcript data and a synchronization module;

the client computer further comprising a browser application being executed by the client computer that receives the presentation data wherein the synchronization module is executed by the browser application on the client computer in order to synchronize the media data and the transcript data.

2. The apparatus of claim 1, wherein the synchronization module further comprises an iframe embedded into a web page being viewed using the browser application.

3. The apparatus of claim 2 wherein the iframe further comprises a plurality of computer instructions that are executed to perform the synchronization of the media data and the transcript data.

4. The apparatus of claim 3, wherein plurality of computer instructions further comprise java code.

5. The apparatus of claim 1, wherein the synchronization module further comprises computer instructions that highlight a piece of text of the transcript data that is synchronized to the media data currently being presented using the browser application.

6. The apparatus of claim 5, wherein the synchronization module further comprises a search module having computer instructions that perform a textual search of the transcript data to locate matching pieces of text.

7. The apparatus of claim 6, wherein the search module further comprises computer instructions that generate a hyperlink for each located piece of text.

8. The apparatus of claim 7, wherein the search module further comprises computer instructions that, upon the selection of a particular hyperlink, reposition the transcript data to the selected piece of text associated with the particular hyperlink, highlight the selected piece of text and repositions the media data at the selected piece of text.