Location History:
- Lafayette Hill, PA (US) (1990 - 2004)
- Montgomery, PA (US) (2005)
- Lafeyette Hill, PA (US) (2006 - 2009)
Company Filing History:
7 out of 2,107 
2 out of 43 
2 out of 1,334 
Years Active: 1990-2009
Title: Innovations of Brian Michael McCarthy, Sr.
Introduction
Brian Michael McCarthy, Sr. is a notable inventor based in Lafayette Hill, PA (US). He holds a total of 15 patents, showcasing his significant contributions to the field of technology and innovation. His work primarily focuses on advancements in speech encoding and voice signal processing.
Latest Patents
One of his latest patents is titled "Method and device for encoding speech using open-loop pitch analysis." This invention involves a synthetic speech encoding device that produces a synthetic speech signal closely matching an actual speech signal. The device digitizes the actual speech signal and selects excitation pulses by minimizing the error between the actual and synthetic speech signals. The preferred pattern of excitation pulses is obtained using a multiplicity of weighted pulses at timed positions, with the selection of location and amplitude based on an error criterion that incorporates a perceptual weighting filter.
Another significant patent is "Determining linear predictive coding filter parameters for encoding a voice signal." This method includes sampling a voice signal, grouping the samples into frames, and generating reflection coefficients for each frame. The process involves quantizing these coefficients, generating spectral coefficients, and selecting the quantized reflection coefficient with the smallest log-spectral distance between quantized and unquantized spectra. The selected coefficient is then converted to linear predictive coding (LPC) filter coefficients.
Career Highlights
Throughout his career, Brian has worked with prominent companies such as Interdigital Technology Corporation and International Mobile Machines Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in speech technology.
Collaborations
Brian has collaborated with notable individuals in his field, including Daniel Lin and Scott David Kurtz. These collaborations have contributed to the advancement of his inventions and the overall progress in speech encoding technology.
Conclusion
Brian Michael McCarthy, Sr. is a distinguished inventor whose work in speech encoding and voice signal processing has led to significant advancements in technology. His patents reflect his innovative spirit and dedication to improving communication through synthetic speech technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.