Yew Hin Liew

Title: Yew Hin Liew: Innovator in Directional Sound Technology

Introduction

Yew Hin Liew is a notable inventor based in Singapore, recognized for his innovative contributions to the field of audio technology. He has developed a unique apparatus for steering directional sound beams, which has significant implications for audio applications.

Latest Patents

Liew holds a patent for an apparatus that steers a directional audio beam self-demodulated from an ultrasound carrier. This invention includes mechanisms for modulating a carrier signal with an audio signal and adjusting the amplitude and phase of the signals to direct the audio beam effectively. The apparatus also generates an ultrasound beam in the desired direction, driven by the modulated carrier signal. Notably, it employs a zeroth order Bessel function to synthesize a Bessel distribution source, enhancing the audio experience. The patent also describes methods for generating harmonics of low frequencies in the audio signal, improving the perception of low frequencies through psycho-acoustic effects.

Career Highlights

Yew Hin Liew is affiliated with Nanyang Technological University, where he continues to advance research in audio technology. His work has garnered attention for its innovative approach to sound manipulation and directionality.

Collaborations

Liew has collaborated with esteemed colleagues, including Meng Hwa Er and Kan Sha, contributing to the advancement of audio technology through shared expertise and innovative ideas.

Conclusion

Yew Hin Liew's contributions to directional sound technology exemplify the intersection of innovation and practical application. His work continues to influence the field and enhance audio experiences across various platforms.