CV

Co-Researcher

PHC Nusantara Project

French-Indonesian S&T Cooperation Program focused on speech-to-text analysis.

• Designed and implemented a speech-to-text pipeline to objectively analyze qualitative data using NLP techniques

Perceptual Evaluation Engineer

GN Audio (Jabra)

Leading perceptual quality evaluation for enterprise audio-video communication devices.

• Led design, execution, and analysis of human-subject studies to evaluate perceptual quality of audio/video systems using psychophysical methods, quantitative metrics, and UX protocols
• Founded and managed the GN Global Assessor Panel using ISO 8586 framework, including assessor training, tracking, and reliability scoring
• Partnered with cross-functional teams (UX, Research Scientists, Marketing) to develop algorithms and integrate user insights into design and product roadmap; contributed to launch of 6+ A/V products
• Applied DoE techniques to reduce testing load while preserving statistical power; cut trial count by up to 55%
• Co-supervised graduate research (MSc/PhD) in overall/feature-based audio/video evaluation

Industrial PhD Researcher, EU ITN RealVision

SenseLab, FORCE Technology

Research on immersive multimedia quality evaluation methods.

• Designed and led human-subject studies on 360° video and spatial audio to model immersive experience quality
• Developed and validated predictive models using regression, PCA, and supervised ML techniques (Python/R)
• Created open-access dataset (HOA-SSR) combining ambisonics and 360° video content for A/V quality benchmarking
• Introduced robust panelist selection methodology and improved repeatability using optimal experimental design

Research Assistant

Bandung Institute of Technology & Gadjah Mada University

Collaborative research in auditory virtual reality and building acoustics.

• Developed audiovisual quality dataset and perceptual quality models
• Validated datasets with different perceptual testing paradigms
• Worked on spatial audio formats (surround, ambisonic) and implementation in real and virtual environments

General Secretary

Indonesian Student Association in Denmark

Led administrative operations for Indonesian students in Denmark.

Founder & Mentor

MentoringBangRandy

Providing 1-on-1 mentoring for Indonesian students applying to international Master's, PhD, and Postdoc programs.

• Successfully guided 50+ students to acceptance at top universities worldwide
• 85% acceptance rate across mentees
• Total scholarships secured by mentees exceed $2M USD
• Active community of 10K+ followers across Instagram, Threads, and YouTube

PhD

Technical University of Denmark

Electrical Engineering

• Immersive Audio-Video Quality
• Perceptual Evaluation Methodologies
• Machine Learning for Quality Prediction

Research Student

University of Salford

Acoustics

• Acoustics Research Center

Short Course

Queensland University of Technology

Business Technology

M.Sc

Bandung Institute of Technology

Engineering Physics

• Auditory and Audiovisual Perception in VR Environment

B.Eng

Gadjah Mada University

Engineering Physics

• Acoustic Emission

Winner of Microsoft Power Platform Hackathon

GN Store Nord & Microsoft

Won hackathon event for innovative solution using Microsoft Power Platform.

Building Simulation 2019 Best Poster Award

Building Simulation Conference

Effect of Facade Thickness on Daylight Performance in a Reference Office Building

World Class University Scholarship

Institut Teknologi Bandung

Sandwich Program Scholarship for research at University of Salford

Australia Award Scholarship

Australian Government

Taking Business to The Next Level – A Course for Leaders, Entrepreneurs, and Innovators

Comparison of Full Factorial and Optimal Experimental Design for Perceptual Evaluation of Audiovisual Quality

Journal of the Audio Engineering Society

Comparison of experimental design methodologies for perceptual evaluation, demonstrating significant reduction in testing load.

Assessor Selection Process for Perceptual Quality Evaluation of 360 Audiovisual Content

Journal of the Audio Engineering Society

Novel methodology for selecting and validating assessors for immersive content evaluation.

Perceptual Evaluation on Audio-visual Dataset of 360 Content

IEEE International Conference on Multimedia and Expo

Comprehensive dataset and evaluation framework for 360-degree audiovisual content.

Perceptual Evaluation of 360 Audiovisual Quality and Machine Learning Predictions

IEEE Multimedia and Signal Processing Conference

ML-based quality prediction models for immersive content.

Towards a Perceived Audiovisual Quality Model for Immersive Content

International Conference on Quality of Multimedia Experience

Framework for modeling perceived quality in immersive multimedia.

GN Global Assessor Panel

Founded and managed company-wide assessor panel following ISO 8586 standards for perceptual quality evaluation across all GN Audio products.

• Established training program and reliability tracking system
• Reduced inter-assessor variability by 40%
• Expanded panel to 50+ trained assessors globally

HOA-SSR Dataset

Created open-access Higher-Order Ambisonic Sound Scene Repository combining spatial audio and 360° video for immersive quality research.

• Published dataset used by 15+ research institutions
• Contributed to standardization efforts in immersive media
• Enabled reproducible research in audiovisual quality

MentoringBangRandy

Founded mentoring service helping Indonesian students secure international graduate admissions and scholarships.

• 50+ successful mentees accepted to top universities
• 85% acceptance rate
• $2M+ in scholarships secured
• 10K+ community across social media

Jabra Spatial Audio Evaluation

Developed and executed field evaluation methodology for spatial audio features in consumer headphones across Denmark and China markets.

• Cross-cultural perceptual study design
• Contributed to product tuning and launch
• User insights integrated into future roadmap