Cheng-Pin Chang

Title: Innovations of Cheng-Pin Chang

Introduction

Cheng-Pin Chang is a prominent inventor based in Taipei, Taiwan. He has made significant contributions to the field of signal processing and audio technology. With a total of 12 patents to his name, his work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is a signal processing system capable of performing voltage and frequency calibration. This system includes a digital signal processing circuit, a power management unit, and a digital control circuit. The power management unit provides a first voltage to the digital signal processing circuit. When in a calibration mode, the digital control circuit controls the power management unit to set the first voltage at a minimum preset value. It also controls the digital signal processing circuit to operate under a first calibration target frequency, triggers the digital signal processing circuit to perform a built-in self-test, raises the first voltage when the built-in self-test fails, and stores the first calibration target frequency and a value of the first voltage corresponding to the first calibration target frequency to a non-volatile memory when the built-in self-test has succeeded.

Another notable patent is an audio codec circuit. This circuit includes a voltage detecting circuit, an output processing circuit, a digital-to-analog conversion circuit, and an audio amplifying circuit. The voltage detecting circuit is configured to detect an input voltage of an input power. The output processing circuit obtains a first output compensation value according to the input voltage, an output circuit parameter, and a first output specification. It processes digital audio and compensates the processed audio by the first output compensation value. The digital-to-analog conversion circuit performs digital-to-analog conversion on the compensated audio to obtain an analog audio, while the audio amplifying circuit amplifies the analog audio and outputs the amplified audio.

Career Highlights

Cheng-Pin Chang is currently employed at Realtek Semiconductor Inc., a leading company in the semiconductor industry. His work at Realtek has allowed him to develop innovative technologies that enhance audio and signal processing capabilities.

Collaborations

He has collaborated with notable coworkers such as Tsung-Peng Chuang and Sheng-Nan Chiu, contributing to various projects that push the boundaries of technology.

Conclusion

Cheng-Pin Chang's contributions to signal processing and audio technology through his patents demonstrate his innovative spirit and dedication to advancing the field