Audio Codec Design Specialist

at  Cisco Systems

AI AT CISCO

With Cisco, you’re not just embracing the future - you’re helping create it. We are focused on integrating AI into our solutions to transform collaboration, security, networking, observability, and more. We are innovating ethical AI products and infrastructure that enable our customers to stay ahead of cyberattacks, predict and prevent network outages, and make team meetings more productive. Our extensive data sets and broad customer reach means limitless possibilities for you to build impactful AI solutions that solve a wide array of real-world problems. Join us at Cisco where you will innovate with top AI experts and be a part of our mission to power an inclusive future for all.

QUALIFICATIONS

5+ years of experience in research, development, evaluation and productization of speech and audio coding, including methods for:

• signal preprocessing techniques for optimal bandwidth utilization,
• packet loss concealment,
• post-processing methods for improving quality of low-bitrate audio,
• pitch estimation,
• voice activity detection,
• signal classification,
• time-scale modification techniques for audio synchronization and network jitter compensation.
• Good understanding of modern lossy speech and audio coding standards, including AAC and Opus.
• Strong background in machine learning and deep neural networks.
• Strong background in signal processing, speech modeling, adaptive filtering and related fields.
• Rapid algorithm prototyping experience in MATLAB, Python or C++.
• Inquisitive, proactive and systematic working habits.
• Demonstrated ability to innovate and make architectural trade-offs for balancing performance/cost.

BONUS QUALIFICATIONS

• Prior experience in developing deep learned models for one or more of the above problems.
• Implementing

EDUCATION

• Graduate degree in a relevant field. Ph.D. is a plus.

• Designing and prototyping algorithms for advanced audio coding, including pre-processing and post-processing techniques to improve audio quality.
• Participate in the productization process of the prototyped algorithms.
• Contribute to patent IP.
• Contribute with high-quality publications.