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Job Summary

The Digital Signal Processing (DSP) software team works to deliver high-quality audio to far-field voice-controlled systems like the Sky Glass television. The DSP software reads audio from a microphone array, processes the audio through audio enhancement algorithms, performs wake-word detection, and streams the processed audio to the rest of the system for subsequent processing. The signal processing software may run on a dedicated DSP, a DSP embedded in an ARM-based SoC, or on an ARM core.

Job Description

The candidate will be responsible for developing, debugging, and supporting real-time DSP firmware on Comcast and Sky’s far-field voice-controlled devices. The candidate will also be responsible for developing and enhancing DSP algorithms. The candidate will be involved in insuring that the audio path is working properly in Comcast’s voice-controlled systems. This includes working with the quality assurance group to ensure that test methodologies and techniques are properly designed to ensure that the audio path is working as expected as well as building in test-specific features to support the quality control efforts.

The candidate may become involved with Comcast’s WiFi group to work on DSP algorithms targeted at WiFi endpoint localization, motion detection using WiFi, and other WiFi related efforts.

The candidate will have a direct impact on the user’s experience when using our far-field voice-control features. Plus, at Comcast we get to become users of our own software as Comcast subscribers.

We are looking for a candidate who wants to learn about, be involved in, and drive the path forward in the fascinating and growing field of far-field voice. Our group at Comcast is a great place to learn and grow your career alongside experts in systems engineering, software architecture, software development, machine learning, and digital signal processing while developing cool products that get deployed in millions of households around the world.

Minimum qualifications:

Bachelor’s degree in Electrical Engineering or equivalent.30 years of experience with software development in one or more programming languages, including C.20 years of experience in implementing real-time signal processing for embedded systems.20 years of experience working with embedded operating systems.20 Experience with audio signal processing.Understanding of digital signal processing theory.Ability to speak and write in English fluently.

Preferred qualifications:

Experience with Cadence HiFi 4 or NXP RT685 SoC.Familiarity with MATLAB is a plus.Master’s degree in Electrical Engineering.Experience with RF and wireless digital communication.

Comcast is proud to be an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.

Skills:

Leadership; Digital Signal Processing (DSP); Electrical Engineering; Embedded Systems

Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.

Education

Bachelor's Degree

While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Relevant Work Experience

15 Years +