Zhihua Chang

Title: Zhihua Chang: Innovator in Audio Recognition Technology

Introduction

Zhihua Chang is a prominent inventor based in Beijing, China. He has made significant contributions to the field of audio recognition technology, holding a total of 3 patents. His innovative methods and systems have the potential to enhance user experiences across various electronic devices.

Latest Patents

Zhihua Chang's latest patents include an audio recognition method, an electronic device, and a storage medium. This method involves obtaining query content that includes segment information representing a to-be-recognized audio. The process further includes selecting a preset quantity of candidate audios from a library, each matched with the segment information. The candidate audio segments are then input into a trained detection model to obtain target segment information, which includes the original segment information and the target audio location. Another notable patent focuses on user analysis, where a method for user mining is provided. This method involves obtaining feature vectors from positive and negative samples, generating expanded feature vectors, and determining core features related to positive samples based on a trained binary model.

Career Highlights

Zhihua Chang has worked with notable companies such as Beijing Didi Infinity Technology and Development Co., Ltd. and Beijing Xiaomi Mobile Software Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technology in the industry.

Collaborations

Zhihua has collaborated with talented individuals, including Zang Li and Hongbo Ling, who have contributed to his projects and innovations.

Conclusion

Zhihua Chang's work in audio recognition technology showcases his innovative spirit and dedication to advancing the field. His patents reflect a deep understanding of user needs and technological possibilities, making him a significant figure in the realm of inventions.