Audio DSP Engineer

Responsibilities

• Development of audio processing stack: Drive the implementation and optimization of the infotainment audio software stack.
• Develop and integrate voice communication and voice recognition solutions for IVI (In-vehicle infotainment) platforms.
• Work closely with HW engineers and the system integration team to ensure tight integration and that the audio stack meets high-quality standards.
• Work closely with QA team to perform comprehensive testing, debugging, and validation.
• Wind noise reduction
• Volume / Gain control
• Mute / ducking

Preferred

• Commercialization experience: Voice communication and/or Voice recognition features
• Automotive / IVI Experience – Strong Plus: Experience developing audio systems for automotive or IVI platforms is highly desirable.
• Hands-on experience with DSP Concepts Audio Weaver (AWE) is highly desirable.
• Experience with acoustic measurement, tuning, and validation equipment and tools: HATS, HEAD acoustics, Audio Precision
• Experience with Python and MATLAB also highly desirable

Workplace

On-site 4 days, Fridays REMOTE

Location

Palo Alto, CA

We are looking for an experienced

Audio DSP Engineer to join our In-Vehicle Infotainment (IVI) audio development team for electric vehicle platforms. The role will focus on real-time audio signal processing, particularly voice communication / ECNR and audio post-processing.

This is a hands-on engineering role. The ideal candidate should be comfortable developing, integrating, debugging, tuning, and validating audio algorithms on an embedded production platform.

Audio Digital Signal Processing (DSP)

• Strong hands-on development experience with speech and microphone-array signal processing algorithms. Experience with several of the following components is expected:
• Acoustic Echo Cancellation (AEC)
• Adaptive Beamforming: MVDR or similar techniques
• Noise Reduction (NR)
• Residual Echo Suppression (RES)
• Voice Activity Detection (VAD)
• Automatic Gain Control (AGC)
• Directional of Arrival (DoA) estimation
• Speech enhancement

Audio Post-Processing

• Hands-on experience developing or integrating real-time audio playback and post-processing pipelines, including:
• Audio mixing / routing
• Channel mapping
• Equalization

Audio filtering

Sample rate conversion, etc.

ALSA / Linux Audio

Strong understanding of Linux audio architecture, particularly ALSA

Real-time Audio SW Development experience

Strong C/C++ software development experience with real-time audio processing systems.

Salary Range

$160,000 - 195,000/K

The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.

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important notice

on our careers page for more information about our recruiting process.

Compliance Notice

Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Drug Screening Requirement

As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.