Xiph.org Foundation

USPTO Granted Patents = 4

Forward Citations = 12

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2 inventors (with patents filed for the assignee):

Timothy B Terriberry (4 out of 10 patents)

Jean-Marc Valin (4 out of 17 patents)

4 patents: Sort by Forward Citations

1. 9015042 - Methods and systems for avoiding partial collapse in multi-block audio coding (2015-04-21),

2. 9009036 - Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding (2015-04-14),

3. 9008811 - Methods and systems for adaptive time-frequency resolution in digital data coding (2015-04-14),

4. 8838442 - Method and system for two-step spreading for tonal artifact avoidance in audio coding (2014-09-16),

Xiph.org Foundation is a non-profit organization dedicated to the development and promotion of free, open-source multimedia formats and software. It is known for creating popular audio and video codecs such as Vorbis, Theora, and Opus. The foundation's mission is to provide high-quality, royalty-free tools for digital media creation and distribution.

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USPTO Data Jan 1 1976 - Dec 23 2025

4 Patents

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