Audio Telephony & Voice Validation Engineer

Description:
Tesla is seeking an Audio Telephony & Voice Validation Engineer to join its world-class Audio team, where you will play a critical role in shaping the future of in-vehicle and robotics audio experiences. This position focuses on the validation and continuous improvement of telephony systems, speech recognition, core DSP algorithms, AI & ML and overall audio quality across fast-paced hardware and firmware release cycles. You will work closely with developers to integrate new audio hardware, develop automated test scripts, conduct critical listening evaluations, perform root-cause analysis spanning hardware, software, firmware, and manufacturing, and establish efficient validation processes.  All while bringing deep expertise in Telephony/Voice signal processing, AI/ML model robustness testing, and a genuine passion for audio perfection, Robotics and Electric Vehicles.

Responsibilities:
Define, design, and execute objective and subjective evaluations of telephony systems
Conduct acoustic measurements and data collection for vehicle and robotics audio applications
Develop protocols for evaluating and validating DSP algorithms, audio software, and hardware
Investigate, tune and debug algorithms for voice processing
Work closely with developers to investigate, define, and iterate algorithm advancements
Distill cross-functional requirements for new voice communication features to drive their design, validation
Define, develop, and execute validation methods for AI/ML modeling (ASR, TTS, LLM, etc.)
Triage and root cause audio issues, providing actionable details to developers
Manual validation of audio functions in the car including voice capture, media playback and debugging relative issues

Requirements:
Knowledge of ITU-T and ETSI specifications for voice communications: e.g. P.800, P.835, P.1100 G.160
Experience with HEAD Acoustics ACQUA, setting up HATS and background noise simulation
Experience using Network Simulators e.g. R&S CMX 500
Strong working knowledge of acoustics, speech in noise testing, calibration in the lab and field and relevant pitfalls
Experience with acoustic measurement instruments, processes, and tradeoffs
Fluency in python programming, and MATLAB scripting, and familiarity with or ability to learn Linux/UNIX command line utilities, bash scripting
Ability to hear digital audio artifacts, identify and localize physical acoustic defects
Flexibility to learn and use the best available software tools and infrastructure
Highly detail oriented and well organized
Licensed to drive passenger vehicles in the US

Compensation & Benefits:
Benefits

Along with competitive pay, as a full-time Tesla employee, you are eligible for the following benefits at day 1 of hire:
Medical plans > plan options with $0 payroll deduction
Family-building, fertility, adoption and surrogacy benefits
Dental (including orthodontic coverage) and vision plans, both have options with a $0 paycheck contribution
Company Paid (Health Savings Accounts) HSA Contribution when enrolled in the High-Deductible medical plan with HSA
Healthcare and Dependent Care Flexible Spending Accounts (FSA)
401(k) with employer match, Employee Stock Purchase Plans, and other financial benefits
Company paid Basic Life, AD&D
Short-term and long-term disability insurance (90 day waiting period)
Employee Assistance Program
Sick and Vacation time (Flex time for salary positions, Accrued hours for Hourly positions), and Paid Holidays
Back-up childcare and parenting support resources
Voluntary benefits to include: critical illness, hospital indemnity, accident insurance, theft & legal services, and pet insurance
Weight Loss and Tobacco Cessation Programs
Tesla Babies program
Commuter benefits
Employee discounts and perks program

Expected Compensation
$109,600 - $234,000/annual salary + cash and stock awards + benefitsPay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position may also include other elements dependent on the position offered. Details of participation in these benefit plans will be provided if an employee receives an offer of employment.