Brian Donoghue Email & Phone Number

Stamford, Connecticut, Us

Leading engineering for development of mixing consoles.

Dallas, Tx, Us

Led a team of 8 applications engineers providing worldwide support of TI’s low-power audio portfolio, including smart class-D amps, ADC, DAC, and CODEC products.

Dallas, Tx, Us

Development of custom ICs

Stamford, Connecticut, Us

• Development of embedded DSP software in C/C++ for high-end automotive audio amplifiers.• Responsible for delivering production code per customer specifications according to a formalizeddevelopment process.• Design, debug, and unit-testing of audio features in a fast-paced, agile development team focused on continuous delivery and zero-defect quality standards.• Worked with a variety of processors, including Texas Instruments Jacinto 6 SoC.• Interfaced with acoustics engineers for in-vehicle audio tuning, debugging, and feature development using subjective and objective evaluation methods.• Investigated and resolved high-priority customer issues by working with cross-functional teams and using root-cause analysis methods.• Hands on debugging of mixed-signal multi-channel class-D automotive amplifiers using power supplies, oscilloscopes, Audio Precision APx, and other lab equipment.

San Diego, Ca, Us

• Developed active noise cancellation (ANC) technology for Bluetooth headsets.• Engaged in full product development cycle from R&D to release of customer development kit.• Generated top-level system designs and specifications for firmware, APIs, tuning tools, use-cases and user experience.• Simulated noise performance of di↵erent filter design algorithms using MATLAB.• Tuned ANC headsets in an anechoic chamber. Utilized in-house tuning tools to characterize acoustical properties and generate final tuning parameters (IIR filter coecients and gain stag- ing).• Authored customer facing user guides and application notes.• Debugged issues with silicon, development boards, embedded software, tuning tools and headsetacoustics.• Measured audio performance and acoustical properties of ANC headsets (speakers and mics), utilizing anechoic chamber, GRAS HATS, Audio Precision, Sound Check, MATLAB and RME audio interfaces.• Developed test scripts for measurement, analysis, and reporting with python and MATLAB.Coding in C and Kalimba assembly code for Qualcomm SoCs.• Implemented production line calibration scripts for ANC headsets with python and chip-specificDLLs.• Conceptualized, tuned, and presented ANC headset demos at trade shows such as CES.• International travel for customer support, algorithm tuning, and tuning tool training.• Characterized audio performance of noise cancellation silicon IP with Audio Precision and python.• Designed PCBs with Altium Designer for internal R&D prototypes and automated lab setups.• Supported customers on end-to-end design of ANC using Qualcomm silicon to secure design wins, including setup of test lab, production line, and tuning tools.• Evaluated new methods of acoustic test for headsets including construction of custom test fixtures and evaluation of commercially available HATS systems, pinna, and headset test equipment from vendors such as GRAS, Head Acoustics, B&K, CRY sound, and Sound Chip.

San Diego, Ca, Us

• Validation of audio for Bluetooth SoC platforms (CSR8670, CSR8675) through automated script- ing and bench test.• Maintained and executed MATLAB based test automation to measure audio metrics across all supported voice and music use-cases such as CVC voice (EC/NS) and AptX audio codecs.• Debugging of audio problems at system level, encompassing hardware, firmware, and DSP algo- rithms.• Assembly programming of the Kalimba DSP.• Developed automated build scripts to deploy nightly code to testing stations.• Performed certification testing for Dolby AC-3 decoder running on the Kalimba DSP• Hardware characterization of customer development boards for audio performance using Audio Precision.

Cambridge, England, Gb

Validation of audio performance for wireless voice and music platforms. Qualcomm acquired CSR in 2015. See details in Qualcomm experience above.

San Jose, Ca, Us

Led pre and post-silicon validation activities for analog/mixed-signal integrated circuits. Coordinated with design, test, and applications teams to bring products to market.• Wrote validation plan for new products• Documented silicon bugs; drove effort to find root cause and fix• Coded software to automate collection of validation data• Designed validation PCB with Altium Designer• Correlated bench measurements to ATE production environment• Calculated MIN/MAX guaranteed parameters using six-sigma statistical analysis • Generated typical operating plots for datasheets• Conducted pre-silicon validation of digital IP using Xilinx FPGAs

• Consulted on microwave radio system design• Performed frequency analysis on point-to-point terrestrial microwave • Led field surveys for microwave path propagation studies

• Repaired and modified vacuum tube guitar amplifiers, power amplifiers, electronic keyboards, electro-mechanical keyboards, mixers, effects units, speaker cabinets• Small company of two employees. Responsible for troubleshooting and performing repairs, listening tests, customer interfacing, invoicing, ordering parts, shipping