Louis Dunn Fielder

Title: Louis Dunn Fielder: Audio Processing and Headphone Virtualization Inventor

Introduction

Louis Dunn Fielder is an inventor based in Millbrae, California. His work includes innovations in audio coding and headphone virtualization, and he is associated with Dolby Laboratories Licensing Corporation. He holds 36 patents.

Latest Patents

Fielder’s recent patent work includes a psychoacoustic model for audio processing. The invention describes an audio-encoding method that uses a masking model based on hearing thresholds across frequency intervals and the measured energy in those intervals. It also describes an encoder designed to perform the method.

Another recent invention concerns reverberation generation for headphone virtualization. It describes generating directionally controlled reflections that provide perceptual cues about a sound source’s location, then combining those reflections to create components of a binaural room impulse response. The disclosure also covers related systems and computer program products.

Career Highlights

Fielder’s listed professional association includes Dolby Laboratories Licensing Corporation. His patent portfolio reflects work on techniques for encoding audio signals and creating spatial audio experiences through headphones.

Collaborations

Fielder’s listed coworkers include Grant Allen Davidson and Mark Stuart Vinton. Their names appear among the professional connections associated with his work.

Conclusion

Louis Dunn Fielder’s inventions address key aspects of modern audio technology, from psychoacoustic audio encoding to realistic reverberation for headphone listening.