Tampere, Finland

Matti Sydänmaa

This inventor holds 1 USPTO granted patent. Top assignee: Nokia Oyj. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Matti Sydänmaa. Retrieved from https://idiyas.com/inventor/matti-sydandaumlnmaa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Matti Sydänmaa: Innovator in Digital Audio Technology

Introduction

Matti Sydänmaa is a notable inventor based in Tampere, Finland. He has made significant contributions to the field of digital audio technology, particularly in error concealment methods for digital audio receivers. His innovative approach has enhanced the reliability and quality of audio transmission.

Latest Patents

Matti Sydänmaa holds a patent for "Error concealment in digital audio receiver." This invention involves a digital audio receiver that temporarily stores received frames for decoding and error concealment. The decoder utilizes a reconstructing block that reads stored frames using a read window, where the latest received frame is undecoded. The decoding process occurs in stages, allowing for the examination of the current frame's correctness and concealing possible errors using data from other frames in the window. Error detection is based on checksums and allowed values of bit combinations in specific parts of the frame. Additionally, the receiver maintains an estimate for the signal's bit error ratio, which is used to control the operation of the error concealment algorithm. This patent showcases his expertise in improving digital audio systems.

Career Highlights

Matti Sydänmaa is currently employed at Nokia Oyj, a leading telecommunications and consumer electronics company. His work at Nokia has allowed him to apply his innovative ideas in a practical setting, contributing to advancements in audio technology.

Collaborations

Matti has collaborated with talented coworkers such as Mauri Väänänen and Aki Mäkivirta. Their combined efforts have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Matti Sydänmaa's contributions to digital audio technology, particularly through his patent on error concealment, highlight his role as an influential inventor in the field. His work at Nokia Oyj and collaborations with other professionals further emphasize his commitment to advancing audio technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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