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Audio DSP Engineer - Voice Signal Processing and Application System Development

42dotPangyo (Software Dream Center), South Korea
On-site Full-time

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Experience Level

Experience

Qualifications

QualificationsExperience in audio signal processing and preprocessing algorithm design (AGC, AEC, NR)Understanding of or experience with voice recognition and signal separationProficiency in MATLAB, Python, C/C++ for signal processing and algorithm implementationExperience in DSP development and debugging skillsProject management and requirement analysis experience in production settingsStrong collaboration and communication skills within teams and with external partnersExperience in automotive audio system development or similar domainsResearch or application experience in acoustic technologies in multi-microphone environments

About the job

Join Us as an Audio DSP Engineer!

At 42dot, we are in search of a talented Audio DSP Engineer dedicated to advancing audio signal processing and pre-processing technologies specifically tailored for automotive environments. You will enhance voice recognition and sound quality across various vehicle settings while delivering optimized solutions for OEM vehicles through proprietary tuning of preprocessing technologies such as AEC, AGC, and NR. Your contributions will bolster our competitiveness in Audio Intelligence and facilitate the successful implementation of Connect and Ambient AI systems.

Key Responsibilities

  • Design and optimize core audio signal processing algorithms, including AGC, AEC, and NR.

  • Develop signal processing solutions tailored to specific vehicle conditions.

  • Innovate voice recognition and signal separation technologies based on multi-microphone data to enhance recognition accuracy.

  • Create scalable algorithms for diverse seating arrangements and environments.

  • Support tuning and optimization of preprocessing technologies for various OEM vehicles.

  • Assist in production projects, manage timelines, resolve technical requirements, and ensure adherence to schedules.

  • Conduct signal quality testing and debugging to stabilize the system.

  • Decrease dependence on outsourced solutions by internalizing technologies.

  • Provide continuous maintenance and enhancement of technologies post-production.

Qualifications

  • Experience in designing audio signal processing and preprocessing algorithms (AGC, AEC, NR).

  • Understanding or experience in voice recognition and signal separation.

  • Proficiency in signal processing and algorithm implementation languages such as MATLAB, Python, or C/C++.

  • Experience in DSP development and debugging skills.

  • Experience in project management and requirement analysis in production settings.

  • Ability to collaborate within teams and communicate effectively with external partners.

  • Experience in developing automotive audio systems or related domains.

  • Experience in researching or applying acoustic technologies in multi-microphone environments.

Preferred Qualifications

  • Experience in voice signal processing leveraging machine learning or deep learning.

  • Experience in developing and tuning voice recognition systems (e.g., wake-up word).

  • Experience in researching and implementing acoustic scenarios utilizing external microphones.

  • Collaboration experience with OEMs or Tier 1 suppliers.

  • Experience in validating audio systems and quality control during production stages.

  • Creative problem-solving skills necessary for analyzing and resolving complex technical issues.

  • A clear decision-making approach and the ability to collaborate effectively with team members.

Interview Process

  • Application Review - Coding Test - Video Interview (approximately 1 hour) - In-person or Video Interview (approximately 3 hours) - Final Offer

  • The selection process may vary by position and is subject to change based on scheduling and circumstances.

  • Dates and results of the interview process will be communicated individually via the email provided in the application.

About 42dot

42dot is a pioneering company focused on revolutionizing in-car audio experiences through advanced audio signal processing and artificial intelligence technologies. Our team is dedicated to enhancing the driving experience with innovative solutions that ensure the highest sound quality and effective voice recognition.

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