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Serve acoustic system design for kinds of products (LCD-TV, Laptops and smartphone) from 2010 to yet. 
 Focusing on debugging, DSP fine-tuning and validating at system level is used to enhance performance of acoustic system. 
 Participating with pilot-runs and mass-production for promotion of yield-rate.

Chia University

Acoustic technical supervisor

St Liu

Senior Acoustic Engineer

Served acoustic system design for smartphones and accessories by 
 	 recommending acoustic components from database and other 
 projects. 
 		 Participated with hardware design review for avoiding electrical 
 noise. 
 		 Based on telecoms' standard to evaluated placement of transducers 
 ex, speaker, receiver, and microphones and sealing design. 
 		 Led junior engineers to execute plan of failure analyzing and 
 	 analyzed fail symptoms to find evidence. 
 		 Proposed design change items for yield promotion. 
 		 Researched and evaluated new features and components 
 
 Projects : 
 		 Pixel 3a : Solved assembling and material issue and promoted yield 
 	 rate over 97.5%. 
 		 Sharp S2 : Designed an acoustic tunnel for receiver and mics by using 
 	 middle frame to meet ID requirement. 
 		 Nokia D1C : Integrated switcher into the system for 2 in 1 usage RCV and 
 	 SPK by one transduce

Researched algorithms and edited scripts for development and verification of sound effects. Promoted signal's resolution by 
 improving existing algorithms. 
 Projects : 
 	 		 Developed library of sound effect by filter design. Ex, IIR EQ, Bass 
/Treble, DRC and ITD.etc 
 	 		 Enhanced signal resolution from 44.1 kHz/16 bits to 48 kHz/24bits 
 by modifying

SYNIC

Senior Algorithm Engineer

Proposed placement of transducers, such as speaker, enclosures, and microphone for high-quality acoustic performance of laptops pads 
 and AIOs . 
 	 		 Provided vibration solutions to ease distortion of devices. 
 	 		 Improved functions of playback and recording by DSP fine-tuning. 
 	 		 Enhanced characteristics of speaker drivers by co-working with vendors. 
 	 		 Surveyed and built-up prototypes to evaluate performance of third - party's solution Ex, ICs, and transducers and algorithms. 
 	 		 Participated innovations of new features and gave summarization for acoustic and audio usages Ex, mode quantities, firing direction of 
 sound ports 
 	 		 Edited technical documents and replied to marketing departments. 
 Projects : 
 	 		 NX500 : Integrated specific sound effects which was developed by internal resource into the system and speakers with metal 
 diaphragm.

Asus

Acoustic Engineer

Executed audio system validation plan at board level. 
 	 		 Solved issues of audio signal and mechanical distortion at system level. 
 	 		 Enhanced listening quality of LCD-TV by DSP fine-tuning. 
 	 		 Served technical assistances to counterparts while on-site supporting. 
 Projects :

St Liu’s posts