Company Filing History:
8 out of 164,197 
1 out of 1,422 
Years Active: 1996-2012
Title: Dan Chazan: Innovator in Speech Processing Technologies
Introduction
Dan Chazan is a notable inventor based in Haifa, Israel. He has made significant contributions to the field of speech processing, holding a total of 9 patents. His work focuses on advanced methods for speech synthesis and pitch tracking, which have applications in various technologies.
Latest Patents
One of Dan Chazan's latest patents is titled "Speech synthesis using complex spectral modeling." This innovative method involves processing a speech signal by dividing it into frames, identifying click frames, and extracting phase information from these frames. The speech signal is then encoded using this phase information. Another significant patent is the "Method for tracking a pitch signal." This method includes receiving a detected pitch signal and constructing sub-sequences of consistent pitch values from neighboring values. It also involves calculating the significance of these sub-sequences and selecting the most significant one for smoothing current pitch values.
Career Highlights
Throughout his career, Dan Chazan has worked with prominent companies in the technology sector. He has been associated with IBM and Nuance Communications, Inc., where he has contributed to various projects related to speech technology and processing.
Collaborations
Dan has collaborated with talented individuals in his field, including Ron Hoory and Meir Zibulski. Their combined expertise has likely enhanced the development of innovative solutions in speech processing.
Conclusion
Dan Chazan's contributions to speech synthesis and pitch tracking technologies highlight his role as a leading inventor in the field. His patents reflect a commitment to advancing speech processing methods, making a lasting impact on the industry.