Senior Engineer - Android Audio DSP at Aptiv

Chennai, Tamil Nadu, India

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Automotive, InfotainmentIndustries

Requirements

8 to 12 years of experience
Strong understanding of Android Audio Framework (AudioFlinger, AudioPolicy, HAL)
Experience with Qualcomm AudioReach / ACDB and NXP Dirana / SAF775x / TI TAS / ADAU DSPs
Expertise in DSP processing blocks (filters, gains, equalizers, loudness, limiter)
Hands-on experience in audio tuning tools (TUNE, AudioReach Graph Studio, Dirana GUI)
Solid knowledge of PCM / TDM / I2S / I2C / A2B interfaces
Good grasp of Bluetooth Audio (A2DP, HFP, SCO/eSCO, LE Audio)
Proficient in C/C++ and Python for HAL and toolchain customization
Familiar with audio codecs and formats – PCM, AAC, SBC, MP3, WAV, FLAC
Knowledge of CarPlay and Android Auto audio integration (good to have)
Experience with Alexa Auto SDK / Google Voice Assistant (good to have)

Responsibilities

Design and implement Android Audio framework components (Audio HAL, PolicyManager, and Routing)
Integrate DSP-based audio processing pipelines (Dirana, Qualcomm AudioReach, NXP SAF775x, TI TAS series, etc.)
Define and maintain signal-flow architecture from source to output (Mic → DSP → Speaker / BT / USB / Projection)
Collaborate with platform teams on ACDB configuration, audio calibration, and DSP firmware loading
Customize Audio HAL (vendor/qcom/audio/hal) for automotive-specific routing and new use-cases
Implement and validate A2DP, HFP, USB Audio, CarPlay, and Android Auto audio paths
Integrate voice recognition and ECNR (Echo Cancellation & Noise Reduction) chains for Alexa / Google Assistant
Develop and tune audio post-processing algorithms: Volume Control, Tone Control (Bass/Treble), Loudness, Fader/Balance, SDVC (Speed Dependent Volume Control), Limiter
Support multi-zone audio and ANC/VESS feature integration
Work with DSP firmware and tuning teams to optimize signal processing flow
Manage ACDB / XML configuration files for device profiles and calibration data
Interface with Tuning Professional / AudioReach Graph Studio / Dirana GUI tools for parameter tuning
Analyze audio latency, clipping, and distortion using tools like Audacity, REW, and MATLAB
Perform end-to-end debugging across Audio HAL, DSP, and routing layers
Analyze logs: logcat, dmesg, AudioFlinger, and AudioPolicy traces
Use diagnostic tools such as QXDM, mandiag, and Wireshark (A2DP trace)
Support system-level validation for voice call, media playback, projection, and navigation mixing
Work with SoC vendors (Qualcomm, NXP, TI) for platform-specific fixes and feature support
Document audio routing diagrams, signal flow, and calibration data handling
Collaborate closely with System, Integration, and QA teams to ensure feature readiness and stability

Skills

Android Audio HAL

DSP

Audio Framework

A2DP

HFP

USB Audio

CarPlay

Android Auto

Alexa

Google Assistant

ECNR

ACDB

Qualcomm AudioReach

NXP SAF775x

TI TAS

Audio Tuning

Audio Architecture

Aptiv

Develops integrated systems for vehicles

About Aptiv

Aptiv develops integrated vehicle systems for the automotive industry, focusing on software-defined vehicles. Their products help tackle challenges related to autonomous driving, vehicle electrification, and advanced safety features. Aptiv collaborates with major car manufacturers and other mobility stakeholders to enhance vehicle performance and safety through their technological solutions. Unlike many competitors, Aptiv emphasizes a partnership model, providing ongoing support and integration of their systems into vehicles. The company's goal is to improve the overall driving experience and safety in vehicles while advancing the future of mobility.

Dublin, IrelandHeadquarters

1994Year Founded

$7.8MTotal Funding

IPOCompany Stage

Automotive & TransportationIndustries

10,001+Employees

Risks

Amazon's entry into connected cars increases competition for Aptiv.

Investment in MAXIEYE exposes Aptiv to geopolitical and regulatory risks.

Oragadam plant expansion may strain finances if demand doesn't meet expectations.

Differentiation

Aptiv integrates software and systems for autonomous driving and vehicle electrification.

The company collaborates with major car manufacturers for software-defined vehicle solutions.

Aptiv operates 14 technical centers globally, enhancing its R&D capabilities.

Upsides

Aptiv's investment in MAXIEYE expands its presence in the Chinese automotive market.

The Oragadam plant expansion increases production capacity for advanced vehicle systems.

Participation in CES 2025 showcases Aptiv's leadership in automotive technology innovation.

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