Linux Audio Quality Assurance Engineer

3 weeks ago

Hyderabad India SEMI LEAF Full time

Job Description Job Title : Linux Audio QA Engineer Location : [Bangalore / Hyderabad] Experience : 512 Years Job Type : Full-Time About The Role We are looking for a Linux Audio QA Engineer to lead or contribute individually to the validation and certification of embedded audio subsystems across diverse platforms. This role plays a crucial part in ensuring top-tier audio performance, minimal latency, and seamless integration with voice assistants, telecom, and multimedia stacks. If you're passionate about Linux, audio quality, and working with the latest in embedded audio technologies, wed love to hear from you. Key Responsibilities - Develop and execute manual and automated test cases for Linux audio stacks including ALSA, PulseAudio, and PipeWire. - Validate end-to-end audio use cases : A2DP, HFP/HSP, TDM, I2S, PCM, HDMI, USB Audio, etc. - Measure and analyze audio performance metrics : latency, jitter, synchronization. - Debug and collaborate with audio driver, HAL, and platform software teams. - Utilize tools like Audacity, arecord/aplay, alsa-info.sh, and latency profilers. - Design and maintain test automation frameworks using Python and PyTest. - Document results, log issues, and ensure timely resolution of audio-related bugs. Required Skills & Qualifications - Deep understanding of the Linux audio stack ALSA, PulseAudio, PipeWire. - Experience with embedded audio routing, device tree configurations, and hardware interfaces. - Familiarity with Bluetooth audio profiles (A2DP, HFP/HSP). - Strong in test automation, scripting, and debugging. - Sound knowledge of audio test standards and methodologies (e.g., THD, SNR). - Excellent problem-solving, communication, and cross-team collaboration skills. Bonus / Nice To Have - Experience with Android Audio HAL or embedded multimedia stacks. - Knowledge of real-time audio processing and audio codec behavior. - Exposure to continuous integration (CI) systems for QA pipelines. (ref:hirist.tech)

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