Audio Engineer

Synectics APAC; Bengaluru; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Synectics APAC in Bengaluru, Karnataka, seeks an experienced DSP engineer to develop, port and optimize audio signal-processing algorithms. You will optimize for ADSP/ARM DSP processors, design white-box tests and detailed reports, and collaborate with cross-functional teams to ensure robust audio performance.

The role requires strong C/C++ programming, DSP theory, and hands-on testing with DSP IDEs such as VisualDSP++, CCES or Xtensa.

Qualifications

• Proficiency in C/C++ programming for DSP applications.
• Strong knowledge of digital audio and signal processing.
• Experience with audio codecs and signal-processing libraries.
• Hands-on test design, planning and white-box testing.
• Proficient with Linux commands and Makefiles.
• Understanding of DSP concepts and workflows.

Responsibilities

• Develop, port and optimize audio signal-processing algorithms and libraries.
• Perform assembly/intrinsic-level optimization for DSP processors.
• Design and execute white-box test cases for audio algorithms.
• Prepare test strategies, designs, and reports.
• Analyze audio algorithms using source code and DSP concepts.
• Debug, profile and optimize using DSP development environments.
• Test on DSP simulators and evaluation boards.
• Cross-compile and test on DSP evaluation boards.

Skills

C/C++ programming

Digital Audio

Signal Processing

Audio processing libraries

Test design & white-box testing

Linux & Makefiles

Tools

VisualDSP++

CCES

DS-5

Xtensa IDE

Job description

• Develop, implement, port and optimize audio signal-processing algorithms and libraries.
• Perform assembly/intrinsic-level optimization for DSP processors.
• Design and execute white-box test cases for audio and signal-processing algorithms.
• Prepare test strategies, test designs, test plans and detailed test reports.
• Analyze audio algorithms using source code, block diagrams and signal-processing concepts.
• Perform debugging, profiling and performance optimization using DSP development environments.
• Execute testing using DSP simulators and evaluation boards.
• Perform cross-compilation and hardware testing on ADSP/DSP evaluation boards.
• Support static analysis and verification activities using relevant tools.
• Work with development teams to troubleshoot and resolve software and algorithm-related issues.
• Maintain and enhance software components based on project and client requirements.

Key Responsibilities

• Develop, implement, port and optimize audio signal-processing algorithms and libraries.
• Perform assembly/intrinsic-level optimization for DSP processors.
• Design and execute white-box test cases for audio and signal-processing algorithms.
• Prepare test strategies, test designs, test plans and detailed test reports.
• Analyze audio algorithms using source code, block diagrams and signal-processing concepts.
• Perform debugging, profiling and performance optimization using DSP development environments.
• Execute testing using DSP simulators and evaluation boards.
• Perform cross-compilation and hardware testing on ADSP/DSP evaluation boards.
• Support static analysis and verification activities using relevant tools.ii>Work with development teams to troubleshoot and resolve software and algorithm-related issues.
• Maintain and enhance software components based on project and client requirements.

Technical Requirements

• Strong programming skills in C or C++.
• Good understanding of Digital Audio and Signal Processing.
• Experience with audio processing / audio codec libraries / signal-processing libraries.
• Hands-on experience in test design, test planning and white-box testing.
• Experience with Linux commands and Makefiles.
• Good understanding of DSP concepts and development workflows.

Preferred DSP Experience

Priority 1 - ADSP / ARM / DSP Processors

• Experience in code porting and optimization on ADSP-SHARC or other DSP/ARM processors.
• Hands-on experience with DSP intrinsics and assembly programming.
• Debugging and profiling using tools such as VisualDSP++, CCES, DS-5, or similar DSP IDEs.

Priority 2 - Tensilica HiFi

• Experience optimizing code for Tensilica HiFi processors.
• Hands-on experience with Tensilica HiFi intrinsics.
• Debugging and profiling using Xtensa IDE.

Testing & Validation

• Experience using DSP simulators such as ADSP-CCES, Xtensa IDE, or equivalent.
• Ability to derive test cases from audio/signal-processing algorithms.
• Experience with white-box testing, static analysis and verification.
• Experience preparing detailed test reports and validating algorithm execution.
• Exposure to cross-compilation and testing on DSP evaluation boards.