Staff DSP Engineer – Audio & Voice

Vocera now a part of Stryker is looking for a Staff DSP Engineer - Audio & Voice with strong experience in audio and speech processing to develop and optimize audio solutions for embedded healthcare communication products.

Key Responsibilities

• Develop and optimize audio algorithms including echo cancellation, noise reduction, beamforming, AGC, VAD, dereverberation, and speech enhancement.
• Work on multi-microphone arrays and far-field speech capture for challenging acoustic environments.
• Improve speech intelligibility in the presence of background noise, reverberation, and multiple speakers.
• Analyze and optimize the complete audio path from microphone and DSP processing through the device, network, and remote endpoint.
• Use objective audio-quality measurements to evaluate and improve performance.
• Debug complex audio issues using raw and processed recordings, spectrograms, and acoustic measurements.
• Optimize real-time DSP algorithms for CPU, memory, latency, and power.
• Provide technical leadership, mentor engineers, and work closely with firmware, hardware, application, validation, and external partners.

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering, Signal Processing, Computer Engineering, or a related field.
• 6 to 8 years of experience in audio DSP, speech processing, or acoustic signal processing.
• Strong understanding of AEC, noise suppression, beamforming, microphone arrays, adaptive filtering, FFT, AGC, and VAD.
• Strong C/C++ programming skills and experience with real-time embedded systems.

Preferred Experience

Experience with WebRTC audio processing, Embedded Linux or Android audio, Python or MATLAB, Opus, RTP/SRTP, VoIP or conferencing systems, and AI-based speech enhancement is preferred.