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David  D.
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David D.

Sound Engineer | Dialogue Editor | Sound Designer | Music Producer

Sound Designer & Audio Engineer | Multilingual Localization, Mixing & Mastering I deliver clean, broadcast-quality audio for multilingual localization, dubbing, and high-volume digital production — including work on Veritasium, hundreds of localized Bryson DeChambeau videos, and multiple pilot productions across 10+ languages. 9+ years specializing in audio localization, sound design, and mixing/mastering, built on 13+ years of total experience in recording and production. I work with clients and production teams worldwide across TV, streaming, YouTube, games, and audiobooks — delivering consistent, production-ready audio from single videos to large-scale localization pipelines. What I Do ✅ Audio Localization & Dubbing — dialogue editing, cleanup, mixing, mastering, QC, multilingual delivery ✅ Sound Design, Mixing & Mastering — TV, streaming, YouTube, games, digital content ✅ High-Volume YouTube Audio Production — consistent, broadcast-quality audio across large libraries and ongoing pipelines ✅ Audiobook Production — recording, editing, restoration, mastering to Storytel, Audiobooks com, ACX, and other platform standards ✅ Audio Restoration & Enhancement — noise reduction, de-clicking, dialogue restoration, archival audio (including vinyl and reel-to-reel) Selected Projects I've worked on ⭐ Marques Brownlee (MKBHD) — Sound Engineer for localization in Hindi and Spanish ⭐ Veritasium — Sound Engineer for localization in Arabic, Indonesian, Thai, Turkish & Vietnamese ⭐ Bryson DeChambeau — Sound Engineer for hundreds of videos localized into Spanish, long-form and short-form ⭐ The Gaslight District: Pilot — Sound Engineer for localization in Italian, Korean, Polish, Turkish & Urdu ⭐ Toon Turf: Pilot — Sound Engineer for localization in Bengali, Filipino, German, Indonesian, Italian, Korean, Urdu & Vietnamese Additional clients: Xiaomanyc 小马在纽约, Aj Shabeel, BrodyAnimates, Dangie Bros, How Ridiculous, Stromedy, SV2, English Fairy Tales, Maizen, and other high-volume digital content productions. How I Work: Working primarily in Reaper, comfortable with both modern digital and analog workflows. Deliver to standard loudness specs depending on platform and destination — including -14 LUFS integrated for YouTube/streaming and -23 LUFS (EBU R128) for broadcast — along with standard formats for dubbing and localization pipelines. Clean dialogue. Controlled dynamics. Immersive sound. Consistent quality. Reliable delivery — at any scale. If you need an experienced audio professional for a single project or a large-scale multilingual production pipeline, let's talk.

🇧🇬Pernik, Bulgaria$30/hr100% JSS5.00 (66)Since Mar 2023

Earnings and projects

MRR
$66

Last 6 months ÷ 6

World#145,256 / 412k
🇧🇬Country#357 / 1,161
Revenue, last 30 days
$44

Last 6 months: $395

World#99,708 / 412k
🇧🇬Country#234 / 1,161
Total earnings
$6k

Billed in all: $6.2k

World#239,141 / 412k
🇧🇬Country#720 / 1,161
Per project
$55

$99 in the last 6 months

World#315,293 / 412k
🇧🇬Country#961 / 1,161
Projects, last 6 months
4
75% fixed25% hourly
World#51,813 / 412k
🇧🇬Country#116 / 1,161
Projects in all
110

Across 119 contracts

87% fixed13% hourly
World#24,465 / 412k
🇧🇬Country#101 / 1,161

Earnings, last 30 days

$6.2k+$44 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$6,100$6,125$6,150$6,175Oct 8Oct 23Nov 7

Skill rankings: Top 30% in Sound Synthesis

Ranked by MRR among everyone on Upwork with the skill.

  1. #19Sound Synthesis64 freelancers · 🇧🇬 #1Top 30%
  2. #21Celemony Melodyne44 freelancers · 🇧🇬 #1Top 48%
  3. #66Soundtrack153 freelancers · 🇧🇬 #1Top 43%
  4. #67Video Game Music170 freelancers · 🇧🇬 #1Top 39%
  5. #119iZotope RX251 freelancers · 🇧🇬 #1Top 47%
  6. #137Dialogue Editing295 freelancers · 🇧🇬 #1Top 46%
  7. #253Audio Restoration607 freelancers · 🇧🇬 #1Top 42%
  8. #287Music Arrangement851 freelancers · 🇧🇬 #2Top 34%