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Job Details

Meta (formerly known as Facebook)

Audio DSP Engineer

Computer and Mathematical



Redmond, Washington, United States

Reality Labs - Research brings together scientists, engineers, and technologists to create the future of virtual and augmented reality. The Audio Research team is focused on harnessing the power of AR and VR to make virtual sounds indistinguishable from reality, and make hearing and communication easier for billions of people at all levels of hearing ability. We’re looking for an Audio DSP Engineer to join our interdisciplinary team. We work to solve problems at the intersection of digital signal processing, machine learning, acoustics, hearing sciences, auditory perception, and multimodal interaction. In this position, your focus will be designing, prototyping, and maturing systems and algorithms to solve challenges in AR audio. By demonstrating new experiences and new audio technologies not yet found in consumer devices, these efforts ultimately aim to introduce these experiences and technologies to Meta’s AR and VR products.

Required Skills

Audio DSP Engineer Responsibilities:

  • Design and build audio DSP & ML system development workflow and framework to improve productivity and efficiency of algorithm & model implementation, code integration, performance evaluation through objective metrics
  • Design, develop, optimize, and test real-time DSP- and ML-based end-to-end integrated audio processing pipelines (e.g. for applications such as communications, hearing correction, and speech recognition input, and others)
  • Design, develop, optimize, and test real-time DSP- and ML-based audio processing components (e.g. beamforming, noise reduction, dynamic range compression, spatialization, and others)
  • Translate audio processing implemented in MATLAB, Python, or other prototyping frameworks into real-time C, C++ code for embedded systems
  • Collaborate with partner teams across Meta, including product SW, DSP, AI, and silicon to develop requirements specifications for embedded real-time audio processing systems
  • Influence the direction of research to accommodate the needs of specific embedded systems and target use cases

Minumum Qualification

Minimum Qualifications:

  • Currently has, or is in the process of obtaining, a Master’s degree in a relevant field such as computer science, electrical engineering, digital audio, acoustics, and 2+ years of industry experience in real-time audio signal processing, or equivalent combination of education and experience. Degree must be completed prior to joining Meta
  • 5+ years of professional programming experience in building real-time, performance sensitive systems in prototypes or products using C/C++
  • Proficiency in MATLAB, Python, or other prototyping frameworks
  • Experience in designing audio algorithms for consumer devices (e.g. microphone array processing, spatial audio rendering, active noise cancellation, echo cancellation, noise suppression, multi-band compression, adaptive filtering, speaker protection)
  • Understanding of DSP fundamentals and the experience to apply the concepts to real-time system design

Preferred Qualification

Preferred Qualifications:

  • PhD in Electrical Engineering, Computer Science, or related field, with audio signal processing as the research topic
  • Experience working in an interdisciplinary team, such as with algorithm researchers, user experience researchers, audio systems engineers, and others
  • Experience applying ML to audio processing problems
  • Experience building software architectures for signal processing systems
  • Experience in optimizing algorithm performance by leveraging hardware accelerators
  • Understanding of digital signal processor architecture including instruction sets, memory hierarchy, buses and interconnects

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