Juin-Hwey Chen

Title: Innovator Profile: Juin-Hwey Chen

Introduction

Juin-Hwey Chen is a prominent inventor located in Neshanic Station, NJ, known for his contributions to audio and speech signal processing. With a total of 21 patents to his name, Chen has made significant strides in advancing communication technologies, particularly in robust audio codecs.

Latest Patents

Chen's latest patents include a "Scalable and Embedded Codec for Speech and Audio Signals," which encompasses a system and methodology for processing audio and speech signals. This invention enables compatibility across various communication devices that operate at different sampling frequencies and bit rates. The innovative analyzer divides the input signal into multiple segments, ensuring that intelligible reconstruction is possible from at least one portion. It also encodes extra embedded information, facilitating seamless transitions between low and high bit-rate applications. The invention utilizes non-linear techniques to enhance overall system performance, improving the quantization of signal parameters and allowing phase information to be communicated even at low bit rates.

Another noteworthy invention is the "Parametric Speech Codec for Representing Synthetic Speech in the Presence of Background Noise," which employs a pitch and voicing dependent spectral estimation algorithm. This invention accurately represents both voiced and unvoiced speech amidst background noise, utilizing a single model for processing. The method modifies the synthesis model based on the current input signal, enhancing the perceptual quality of the output. By integrating a Multi-Layer Neural Network into the spectral estimation process, Chen ensures high-quality intelligible speech under various noise conditions.

Career Highlights

Juin-Hwey Chen has had a notable career, working with leading companies in the telecommunications industry. He has held positions at Lucent Technologies and AT&T Bell Laboratories, both of which have contributed to his expertise in audio and speech signal processing. His work has led to several innovations that address challenges in communication technologies, particularly where clarity and intelligibility are vital.

Collaborations

Throughout his career, Chen has collaborated with esteemed colleagues such as Joseph Gerard Aguilar and Craig R. Watkins. These collaborations have helped foster an environment of innovation and technological advancement, enabling the development of groundbreaking solutions in the field.

Conclusion

Juin-Hwey Chen exemplifies the spirit of innovation through his significant contributions to audio and speech processing technologies. His extensive portfolio of patents and collaborations with industry professionals highlights his impact on the field. As technologies continue to evolve, Chen's work will undoubtedly remain influential in shaping the future of communication devices and systems.