Heiko Purnhagen

Title: Heiko Purnhagen: Innovator in Audio Signal Processing

Introduction

Heiko Purnhagen is a notable inventor based in San Francisco, CA, recognized for his contributions to audio signal processing. His innovative work focuses on perceptual optimization techniques that enhance the separation of audio sources.

Latest Patents

Heiko Purnhagen holds a patent titled "Perceptual optimization of magnitude and phase for time-frequency and softmask source separation systems." This patent describes a method that involves obtaining softmask values for frequency bins of time-frequency tiles representing an audio signal. The process includes reducing or expanding and limiting these softmask values, which are then applied to the frequency bins to create a time-frequency representation of an estimated target source. The patent also outlines an alternative method that involves obtaining softmask values for each time-frequency tile, applying them to create a time-frequency domain representation, and determining both magnitude and phase for the estimated target source.

Career Highlights

Throughout his career, Heiko Purnhagen has worked with prominent companies in the audio industry, including Dolby Laboratories Licensing Corporation and Dolby International Ab. His experience in these organizations has allowed him to refine his skills and contribute significantly to advancements in audio technology.

Collaborations

Heiko has collaborated with talented individuals such as Aaron Steven Master and Lie Lu, further enhancing his work in the field of audio signal processing.

Conclusion

Heiko Purnhagen's innovative approach to audio signal processing and his patent contributions demonstrate his commitment to advancing technology in this field. His work continues to influence the way audio signals are processed and separated, showcasing the importance of innovation in enhancing user experiences.