Hideharu Nishida

Title: Hideharu Nishida: Inventor in Audio and Text-to-Speech Technology.

Introduction

Hideharu Nishida is an inventor associated with Habikino, Japan, and Sanyo Electric Co., Ltd. His patent work addresses audio signal processing and the delivery of selected textual information through synthesized speech. His portfolio includes 2 patents.

Latest Patents

Nishida’s listed patents include “Apparatus for Reading Out Textual Information with Synthesized Speech.” The invention stores a user-specified keyword and a corresponding text region, searches buffered text for that keyword, and reads the relevant region aloud using speech synthesis. This approach can help users hear information relevant to their interests in sources such as electronic newspapers or teletext broadcasts.

His other listed patent, “Audio Signal Coding and Decoding Device,” concerns adaptive differential pulse code modulation. It uses an integrator before the coding stage to reduce variation between input samples and a differentiator after decoding to restore that variation. The design aims to reduce prediction and quantization errors during audio coding.

Career Highlights

Nishida’s patents reflect work on practical technologies for processing and presenting information. One focuses on selecting and vocalizing relevant text, while the other seeks to improve the coding and reconstruction of audio signals.

Collaborations

Nishida is associated with Sanyo Electric Co., Ltd. His listed coworkers include Akira Tsukihashi and Takeo Inoue.

Conclusion

Hideharu Nishida’s patent record highlights contributions to synthesized speech and adaptive audio coding, with inventions aimed at making information easier to access and audio signals more efficiently processed.