Android Audio DSP Software Engineer

Android Audio DSP Software Engineer at Cobalt Streamworks
Android Audio DSP SE
Location: Chennai, India
Time Type: Full time
Job Description
Help shape the future of mobility.
Imagine a world with zero vehicle accidents, zero vehicle emissions, and wireless vehicle connectivity all around us. Every day, we move closer to making that world a reality. Cobalt Streamworks’s passionate team of engineers and developers creates advanced safety systems, high-performance electrification solutions and data connectivity solutions so that automakers can bring advanced capabilities to more people around the globe. This is how we enable sustainable mobility and help to prevent accidents caused by human error.
Your Role:
The Senior Android Audio & DSP Engineer will be responsible for designing, developing, and integrating the complete audio subsystem on Android Automotive–based infotainment platforms. The role involves Audio HAL customization, DSP pipeline integration, Audio tuning, and end-to-end debugging across voice, media, navigation, and projection use-cases (CarPlay
/ Android Auto / Alexa / Voice Assistants).
Experience: 8 – 12 years
Qualification: B.E / B.Tech / M.E / M.Tech in Electronics, Electrical, Communication, or Computer Science
Key Responsibilities
1\. Audio Architecture & Design
• Design and implement Android Audio framework components (Audio HAL, Policy Manager, 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.
2\. Development & Integration
• 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.
Required Technical Skills
• 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
Good to Have
• Knowledge of CarPlay and Android Auto audio integration.
• Experience with Alexa Auto SDK / Google Voice Assistant integration.
• Exposure to Noise Control, ANC, and ECNR tuning.
• Familiarity with MATLAB for algorithm validation.
• Awareness of A-SPICE / ISO26262 process compliance
WHY JOIN US?
• You can grow at Cobalt Streamworks. Cobalt Streamworks provides an inclusive work environment where all individuals can grow and develop, regardless of gender, ethnicity or beliefs.
• You can have an impact. Safety is a core Cobalt Streamworks value; we want a safer world for us and our children, one with: Zero fatalities, Zero injuries, Zero accidents.
• You have support. We ensure you have the resources and support you need to take care of your family and your physical and mental health with a competitive health insurance package.
Your Benefits at Cobalt Streamworks:
– Higher Education Opportunities (UDACITY, UDEMY, COURSERA are available for your continuous growth and development);
– Life  and accident insurance;
– Sodexo cards for food and beverages
– Well Being Program that includes regular workshops and networking events;
– EAP Employee Assistance;
– Access to fitness clubs (T&C apply);
– Creche facility for working parents;
APPLY TODAY, AND TOGETHER LET’S CHANGE TOMORROW!
“Cobalt Streamworks is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status or any other characteristic protected by law”
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Cobalt Streamworks is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status or any other characteristic protected by law.