Zhang Shawn

Provide smart PA hardware and tuning support for many projects in Xiaomi, Huawei, LeTV, Lenovo, ZUK, ZTE, Goinee, TCL, Smartisan; Provide technical introduction of smart PA working principle to customers, make demos based on specified speakerbox; Review SCH and PCB layout, measure and debug the hardware issues; Do excursion characterization for each project speakerbox; Do music playback and handsfree tuning with TFA, Dirac or QACT algorithm Analyze the audio failure returns from market

Responsible for audio planning at the beginning of product; Mockup verification; Audio tuning support for BYD and FXN; PE audio OCR monitoring & maintaining; certain audio topic study . Audio planning: Evaluate audio part selecting, audio component placement, cost down solution, acoustic cavity design, audio performance risk Audio tuning: Support BYD / FXN audio engineer for tuning; Solve tuning issue PE monitoring and maintaining: For Nokia internal products, monitor audio OCR

Responsible for validation test of second source IC or updated versions Help the customers achieve optimal performance from the STE solution within the boundaries of the customer hardware design Provide technical link between customer and IC design teams to communicate customer requirements Provide input to customer on schematic & layout reviews Work closely with cross functional teams on complex system issue Provide trainings to customers on tuning solutions

Design schematic diagrams for the new products based on MTK, Qualcomm platform. Evaluate the new functional electronic devices: Comparing the similar devices from various of suppliers figure out the most proper one base on price, performance, design complexity and reliability and apply it on our new products Find and solve the common defects of feature phone hardware designs according to after-service statistic.