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Chun Him Nicholas L.
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Chun Him Nicholas L.

Cantonese AI Data Specialist | Audio Engineer & Voice Data Collector

Professional Profile Looking for a highly meticulous expert to train your AI models, handle complex data annotation, or deliver pristine audio data? Backed by a BSc (Hons) in Sound Technology and Digital Music from the UK, I bridge the gap between technical audio engineering and high-level AI data operations. My background combines deep acoustic knowledge with extensive experience managing high-benchmark data projects for global AI corporations. What I Bring to Your Project: AI Data Annotation & Evaluation: Proven track record evaluating large-scale LLM responses, cross-checking summary accuracies, and enforcing safety/harmfulness protocols for major US-based AI tech companies (Centific/OneForma). Acoustic & Voice Data Collection: Expert in gathering high-quality, noise-free acoustic data packages for automatic speech recognition (ASR) model training (Deepgram). Deep understanding of microphone consistency and gain staging. Advanced Audio Engineering: Expert in Avid Pro Tools (Certified User), sound recording, mixing, and multi-media editing (Adobe Premiere & Photoshop). Why Work With Me? Native-level Bilingual Communication: Educated in the UK and Hong Kong (Diocesan Boys' School alumnus), ensuring seamless communication and strict adherence to complex English guidelines. Uncompromising Quality: A natural perfectionist who thrives on data accuracy and meeting tight project-based deadlines. Let's collaborate to elevate your data quality or audio project. Drop me a message to discuss your requirements!

🇭🇰North Point, Hong Kong$15/hr100% JSS5.00 (5)Since Jun 2016

Earnings and projects

MRR
$200

Last 6 months ÷ 6

World#113,322 / 412k
🇭🇰Country#97 / 326
Revenue, last 30 days
—

Read daily since Oct 18, under 30 days

Total earnings
$1.3k

Billed in all: $1.3k

World#370,918 / 412k
🇭🇰Country#299 / 326
Per project
$146

$150 in the last 6 months

World#285,354 / 412k
🇭🇰Country#211 / 326
Projects, last 6 months
8
100% fixed0% hourly
World#24,499 / 412k
🇭🇰Country#18 / 326
Projects in all
9
100% fixed0% hourly
World#212,268 / 412k
🇭🇰Country#128 / 326

Earnings, last 30 days

$1.3k+$40 earned since Oct 18Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,260$1,280$1,300$1,320Oct 18Oct 28Nov 7

Tracked from Oct 18, 2026.

Skill rankings: Top 21% in Vocal Tuning

Ranked by MRR among everyone on Upwork with the skill.

  1. #26Vocal Tuning126 freelancers · 🇭🇰 #1Top 21%
  2. #78Stem Mixing & Mastering291 freelancers · 🇭🇰 #1Top 27%
  3. #104Avid Pro Tools432 freelancers · 🇭🇰 #1Top 24%
  4. #367Audio Post Production1,403 freelancers · 🇭🇰 #1Top 26%
  5. #386Music Production1,654 freelancers · 🇭🇰 #1Top 23%
  6. #1,320Audio Editing5,221 freelancers · 🇭🇰 #2Top 25%
  7. #9,389Microsoft Excel32,523 freelancers · 🇭🇰 #7Top 29%
  8. #9,751Administrative Support27,851 freelancers · 🇭🇰 #4Top 35%