S 107 - AUDIO DSP SPECIALIST

Dorleco; Palo Alto (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Dorleco is seeking an experienced Audio DSP Specialist to join our IVI audio team in Palo Alto. The role focuses on real-time signal processing for voice communication, ECNR, and audio post‑processing on embedded platforms.

You will develop, integrate, debug, tune, and validate audio algorithms, collaborating with HW, software, and QA teams to ensure high‑quality audio performance in automotive EV platforms.

Qualifications

• Must have hands-on experience with speech and microphone-array processing.
• Experience with AEC, NR, VAD, AGC, DoA and speech enhancement.
• Real-time C/C++ development for embedded audio systems.
• Strong knowledge of ALSA and Linux audio architecture.

Responsibilities

• Develop and optimize the in-vehicle infotainment audio stack.
• Integrate voice communication and voice recognition on IVI platforms.
• Collaborate with HW and system integration teams for tight integration.
• Work with QA to perform testing, debugging and validation.

Skills

Speech processing with DSP

Acoustic Echo Cancellation (AEC)

Adaptive Beamforming (MVDR)

Noise Reduction (NR)

Residual Echo Suppression (RES)

Voice Activity Detection (VAD)

Automatic Gain Control (AGC)

Wind noise reduction

Direction of Arrival (DoA) estimation

Speech enhancement

Audio mixing and routing

Volume and gain control

Mute and ducking

Channel mapping

Equalization

Audio filtering

Sample rate conversion

ALSA / Linux Audio

Real-time C/C++ development

Embedded audio systems

Job description

Job Title: AUDIO DSP SPECIALIST

Location: Palo Alto, CA.

Position: 6-month Contract to Hire.

ABOUT THE ROLE

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 in developing, integrating, debugging, tuning, and validating audio algorithms on an embedded production platform.

WHAT YOU'LL DO

• - Development of audio processing stack: Drive the implementation and optimization of the infortainment 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.

REQUIRED QUALIFICATIONS ( MUST HAVE)

• - Audio 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)
• - Wind noise reduction
• - 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
• - Volume / Gain control
• - Mute / ducking
• - Channel mapping
• - Equalization
• - Audio filtering
• - Sample rate conversion, etc.
• - ALSA / Linux Audio: Strong understanding of Linux audio architecture, particulary ALSA
• - Real-time Audio SW Development experience: Strong C/C++ software development experience with real-time audio processing systems.

Experience may include( Good to Have)

• - Traditional DSP / statistical signal-processing algorithms
• - Deep Learning / Neural Network based speech enhancement
• - Hybrid DSP + ML solutions

PREFERRED QUALIFICATIONS

• - 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