Acoustics DSP Engineer

Apple • Cupertino, CA

2d

About The Position

The Acoustics DSP Engineer will join Apple’s Acoustic Hardware Team and work with Audio Tuning Engineers and DSP algorithm and machine learning teams. The role focuses on optimizing audio DSP for voice recognition applications across Apple hardware, including iOS, macOS, and wireless products. The engineer will tune, optimize, and listen to internally developed algorithms, helping ensure audio software works effectively with acoustic hardware and delivering a strong voice recognition experience. The position requires detailed hardware and software debugging, regular collaboration with teams across Apple, and may involve international travel.

Requirements

• BS/MS degree or equivalent, preferably specializing in Audio or Electrical Engineering.
• Solid understanding of acoustics and signal processing fundamentals.
• Experience executing and debugging scripts with Python and MATLAB.
• Familiarity with acoustic measurement equipment, such as HeadAcqua Test System, Soundcheck, and Audio Analyzers.
• Attention to detail and strong hardware and software debugging skills.
• Strong communication and collaboration skills.

Nice To Haves

• In-depth audio DSP knowledge for applications such as echo and double talk, microphone array processing, beam-forming, multi-band compression, equalization, and noise suppression in portable devices.
• Excellent coding and debugging skills; Python and C/C++ preferred.
• Strong background applying machine learning methods and frameworks to audio applications.
• Experience tuning echo cancellation algorithms and balancing echo return loss, double-talk performance, and speech intelligibility.
• Knowledge of transducers and their acoustic integration.
• Outstanding written and verbal communication skills and ability to work effectively in multifunctional teams.

Responsibilities

• Optimize audio DSP for voice recognition applications across Apple hardware.
• Tune, optimize, and listen to internally developed algorithms for Apple hardware.
• Ensure effective integration between audio software and acoustic hardware.
• Debug hardware and software issues and collaborate regularly with Audio Tuning Engineers and DSP algorithm and machine learning teams.
• Help deliver a high-quality voice recognition experience across Apple hardware.

What This Job Offers

• Job Type: Full-time