Holger Quast

Title: Holger Quast: Innovator in Speech Signal Processing

Introduction

Holger Quast is a notable inventor based in Munich, Germany, recognized for his contributions to the field of speech signal processing. He holds 2 patents that showcase his innovative approach to enhancing audio technology.

Latest Patents

One of his latest patents is titled "Tamper-robust watermarking of speech signals." This method involves applying a watermark signal to a speech signal to prevent unauthorized use. The process includes receiving an original speech signal, determining its corresponding spectrogram, selecting a phase sequence, and generating an encoded watermark signal based on these elements. Another significant patent is "Techniques for spatially selective wake-up word recognition and related systems and methods." This system utilizes multiple microphones to detect acoustic information from various zones, processes the signals to identify content, and performs automatic speech recognition to determine if a designated wake-up word was spoken.

Career Highlights

Holger Quast is currently employed at Cerence Operating Company, where he continues to develop innovative solutions in speech technology. His work has significantly impacted the way speech signals are processed and recognized.

Collaborations

He collaborates with talented individuals such as Oliver Van Porten and Julien Prémont, contributing to a dynamic team focused on advancing audio technology.

Conclusion

Holger Quast's innovative patents and contributions to speech signal processing highlight his role as a leading inventor in the field. His work continues to influence the development of advanced audio technologies.