Grace Toh Email & Phone Number

Singapore

Singapore, Singapore

Singapore

• Designed and implemented a Retrieval-Augmented-Generation (RAG) pipeline to enhance the query resolution accuracy of a Large Language Model (LLM) chatbot, achieving up to an 87% improvement in output precision.• Partnered with an external team to integrate the RAG pipeline into the broader system architecture, ensuring smooth operation and alignment with project objectives.• Actively participated in sprint planning and daily stand-ups to report progress, anticipate challenges, and collaborate on effective solutions.• Ensured high code quality by conducting thorough code reviews and implementing comprehensive testing protocols.• Worked closely with clients to gather and incorporate new requirements, guaranteeing that the solution adapted to their evolving needs.

Singapore, Singapore

• Spearheaded a multifaceted audio denoising project comprising the evaluation of 10 open-source models during a 4-month testing phase, improving the listening experience in complex environments like interrogation rooms for the police.• Created a realistic test dataset by meticulously integrating clean speech with diverse ambient noise samples to simulate real-world audio scenarios.• Engineered and deployed a real-time streaming denoising system utilising DJI microphones, achieving an exceptionally low MSE of 0.00451 which indicates near flawless noise removal.• Successfully implemented Faster Whisper for offline denoising and transcription, achieving a WER of 11.11% even in challenging ambient conditions.• Optimising model performance and minimized audio distortion through fine-tuning techniques, resulting in a significant 3% WER reduction.

Singapore

Singapore

Singapore

• Contributed to multiple project planning and execution for superior• Attended site visits with due diligence and conduted procurement function.Media Architects Internship Project 1: DBS x Pico Event• Assumed role as Company Representative to collaborate with DBS clients• Configured stream settings and controlled the live stream of the event including technical device troubleshooting and rectification.• Attained “Letter of Appreciation” from event client in recognition to work commitment and contribution. Media Architects Internship Project 2: Live Streaming & Recording Devices in Higher Institutions• Liaised with clients, contractors, vendors and suppliers in project facilitation and installation.• Developed user guides for clients upon project accomplishment (e.g. device configuration and troubleshooting)

Bachelor'S Degree, Electrical And Electronics Engineering

- Relevant coursework: Introduction to Computational Thinking, Digital Electronics, Introduction to Data Science & Artificial.

Diploma In Audio Visual Technology, Engineering

- Director List in Academic Year 2019/2020 Semester 2 - most outstanding performance in Academic Year 2019/2020 Semester 2 - Edusave.

Engineering, A

Activities and Societies: • Gained tremendous cultural exposure and built international networks both in school and when travelling. •.