IP Library Granted Patent US 8,682,672
Granted Patent B1
US 8,682,672 · App. 10/944,258 · Granted Mar 25, 2014

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

Inventors: Tommy Ha (San Leandro, CA); Kamalaksha Ghosh (Sunnyvale, CA)
Assignee: ON24, Inc.
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Quick Facts
Patent No.
US 8,682,672
App. No.
10/944,258
Granted
Mar 25, 2014
Kind
B1
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 (11)

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.

Assignments (3)
SECURITY INTEREST Recorded Aug 13, 2026
From: ON24, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 075647/0448 →
PATENT SECURITY AGREEMENT Recorded May 19, 2026
From: ON24, INC.
To: MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT
Reel/Frame 075601/0343 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2014
From: HA, TOMMY; GHOSH, KAMALAKSHA
To: ON24, INC.
Reel/Frame 032174/0813 →