DSP Engineer (audio)

VTech

  • Hong Kong
  • Permanent
  • Full-time
  • 4 days ago
Responsibilities:
  • Design, implement, and integrate audio DSP algorithms for playback, speech enhancement (e.g. noise/echo cancellation, beamforming), and audio post-processing for various audio products
  • Prototype algorithms in MATLAB/Python and implement them efficiently in C/C++ for embedded systems
  • Collaborate with hardware, software, acoustics, and UX teams to integrate audio features into the product
  • System design, tuning, calibration, and optimization. Conduct testing, measurements, and troubleshooting to ensure premium sound quality
  • Identify and resolve performance bottlenecks and debug complex audio issues
  • Document designs, tests, and releases, and communicate technical challenges across teams
Requirements:
  • Bachelor’s or Master’s in Electrical Engineering, Computer Science or related field
  • 2+ years of audio software development experience with a focus on embedded systems and DSP
  • Strong foundation in DSP theory and algorithms (filtering, FFT, adaptive filters, echo/noise cancellation)
  • Proficiency in C/C++ for embedded systems and experience with real-time operating systems
  • Experience with DSPs, microcontrollers, and multi-core architectures
  • Familiarity with popular audio framework (Audio HAL, ALSA)
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