Company Filing History:
Years Active: 2018-2025
Title: Friedrich Faubel: Innovator in Speech Signal Processing
Introduction
Friedrich Faubel is a notable inventor based in Ulm, Germany, recognized for his contributions to the field of speech signal processing. With a total of seven patents to his name, Faubel has developed innovative methods that enhance the security and detection capabilities of audio signals.
Latest Patents
Among his latest patents is a method for tamper-robust watermarking of speech signals. This method aims to prevent unauthorized use of speech signals by applying a watermark signal to the original speech signal. The process involves receiving the original speech signal, determining its corresponding spectrogram, selecting a phase sequence of fixed frame length and uniform distribution, and generating an encoded watermark signal based on these elements. Another significant patent is a system and method for the acoustic detection of emergency sirens. This invention allows for the detection of multi-tone sirens despite environmental noises. It utilizes a microphone input signal, applies real-time time-frequency analysis, and performs multi-tone siren detection based on a multi-tone model, factoring in Doppler shifts to generate a reliable detection result for automated vehicle systems.
Career Highlights
Friedrich Faubel has worked with prominent companies in the technology sector, including Nuance Communications, Inc. and Cerence Operating Company. His work in these organizations has contributed to advancements in speech recognition and audio processing technologies.
Collaborations
Throughout his career, Faubel has collaborated with talented individuals such as Markus Buck and Ingo Schalk-Schupp. These partnerships have fostered innovation and the development of cutting-edge technologies in the field.
Conclusion
Friedrich Faubel's contributions to speech signal processing through his patents and collaborations highlight his role as a significant innovator in the industry. His work continues to influence advancements in audio technology and safety systems.