Samuel Martin Zackrisson

Title: Innovations of Samuel Martin Zackrisson

Introduction

Samuel Martin Zackrisson is an accomplished inventor based in Mountain View, CA. He has made significant contributions to the field of audio signal processing, holding a total of 3 patents. His work focuses on innovative methods for echo detection, which have applications in various audio technologies.

Latest Patents

One of Zackrisson's latest patents involves a method for echo detection. This method includes receiving a microphone audio signal and a playout audio signal. It determines a frequency representation of both the microphone audio signal and the playout audio signal. For each frequency representation, the method also includes determining features based on the frequency representation. Each feature corresponds to a pair of frequencies of the frequency representation and a period of time between the pair of frequencies. The method further includes determining that a match occurs between a first feature based on the frequency representation of the microphone audio signal and a second feature based on the frequency representation of the playout audio signal. Additionally, it determines that a delay value between the first feature and the second feature corresponds to an echo within the microphone audio signal.

Career Highlights

Zackrisson is currently employed at Google Inc., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing audio processing capabilities, particularly in reducing echo effects in various applications.

Collaborations

He has collaborated with talented coworkers such as Alexandre Loiko and Marcus Wirebrand, contributing to a dynamic and innovative work environment.

Conclusion

Samuel Martin Zackrisson is a notable inventor whose work in echo detection has advanced audio technology. His contributions at Google Inc. and his innovative patents reflect his commitment to improving audio signal processing.