Audio Validation Engineer

Intelliswift - An LTTS Company; Sunnyvale (CA); On-site; USD 110,000 - 140,000; Full time

Job summary

Intelliswift - An LTTS Company is seeking an Audio Validation & Tuning Engineer for onsite work in Sunnyvale, CA. This full-time role focuses on validating audio performance, tuning for intelligibility, and conducting comprehensive acoustic testing across headphones, earbuds, hearing devices, smartphones, and smart speakers.

The candidate will analyze test results, debug issues, and apply optimization tools such as Aurora and DTS to enhance voice quality and overall audio experience.

Qualifications

• 4+ years of experience in audio validation, acoustic testing, or audio tuning.
• Hands-on experience with Head Acoustics ACQUA, HATS, and Audio Precision.
• Strong background in voice processing, speech quality evaluation, noise reduction, and echo cancellation.
• Experience performing acoustic measurements including frequency response, THD, transmit/receive performance, and noise analysis.
• Ability to analyze audio test results, identify performance issues, and support debugging activities.
• Experience with audio tuning and optimization tools such as Aurora and DTS to improve speech intelligibility and overall audio quality.
• Experience working on products such as headphones, earbuds/TWS, hearing devices, smartphones, smart speakers, or conferencing systems.

Skills

Audio validation

Acoustic testing

Audio tuning

Head Acoustics ACQUA

HATS

Audio Precision

Voice processing

Speech quality evaluation

Noise reduction

Echo cancellation

Acoustic measurements

Frequency response

THD

Transmit/receive performance

Noise analysis

Aurora

DTS

Tools

Head Acoustics ACQUA

HATS

Audio Precision

Aurora

DTS

Job description

Job Title: Audio Validation & Tuning Engineer

Location: Sunnyvale, CA - Onsite

Employment Type: Full-Time with L&T Technology Services (LTTS).

Key Requirements:

• 4+ years of experience in audio validation, acoustic testing, or audio tuning.
• Hands-on experience with Head Acoustics ACQUA, HATS (Head & Torso Simulator), and Audio Precision.
• Strong background in voice processing, speech quality evaluation, noise reduction, and echo cancellation.
• Experience performing acoustic measurements including frequency response, THD, transmit/receive performance, and noise analysis.
• Ability to analyze audio test results, identify performance issues, and support debugging activities.
• Experience with audio tuning and optimization tools such as Aurora and DTS to improve speech intelligibility and overall audio quality.
• Experience working on products such as headphones, earbuds/TWS, hearing devices, smartphones, smart speakers, or conferencing systems.

Preferred:

• Exposure to Audio DSP validation and voice-processing algorithms.
• Experience with objective and subjective audio performance testing.