Audio Engineer

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.
• Work with development teams to troubleshoot and resolve software and algorithm-related issues.
• Maintain and enhance software components based on project and client 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.

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.

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

• 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.