The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2006
Filed:
Apr. 26, 2004
Katherine Wang Kwan, San Jose, CA (US);
Katherine Wang Kwan, San Jose, CA (US);
Other;
Abstract
A method and computer program product allows for the efficient allocation of buffers (e.g., first-in first-out (FIFO) queues) for current and predicted active speakers in voice conferencing systems. The method and computer program product, implemented by a server hosting an audio conference for a plurality of speakers, minimizes the loss of audio data for speakers as they switch from 'non-active' to 'active' status. This is accomplished by employing a set of active speaker buffers and a set of predicted active speaker buffers. The predicted active speaker buffers maintain a collection of the most recent x packets or m milliseconds of “non-active” speaker audio data, and transfer a portion of the data from the predicted active speaker buffers to the active speaker buffers as speakers become “active” speakers. The x packets or m milliseconds of stored “non-active” speaker audio data can be used only up to a pre-determined jitter buffer fill-level in order to avoid introducing additional audio packet delivery delay to participants of the conference.