AI Engineer

Steven Koch

TTS Research · Voice AI · 3D Design · Creative Technology

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About Me

Where AI Meets Interactive Entertainment

I build things at the intersection of game development, AI engineering, and creative technology — from game engines to generative art pipelines to voice synthesis systems.

By day, I develop hardcore multiplayer survival games in Unreal Engine 5. By night, I architect AI-powered production pipelines that generate hundreds of consistent images, synthesize voice narration, and ship as zero-dependency web applications.

Game Development

  • STARS BEYOND — sci-fi space sim and colony management game in UE5 with C++ foundation, behaviour tree AI, and procedural planet generation
  • 5 browser-based game engines — pure vanilla JS, single-file HTML distribution, zero frameworks

AI & Generative Systems

  • End-to-end AI image pipeline — ComfyUI + SDXL with IP-Adapter for character consistency across 200+ images per project
  • AI voice synthesis studio — Flask-based TTS tool with automatic audio post-processing and Voice Consistency Scoring
Studying: B.A. Game Design Goal: M.Sc. Applied AI
Skill Set

What I Work With

Game Engines

Unreal Engine 5
Unity
Custom HTML5

3D & Art

Blender
ZBrush
Substance Painter
Substance Designer
Marmoset Toolbag

Code

C++ / C#
Python
HTML / CSS / JS
Blueprint

AI / ML

PyTorch / CUDA
TTS / Voice AI
ComfyUI / Stable Diffusion
Prompt Engineering

Backend & DevOps

Flask / FastAPI
Node.js / Express
Nginx / Linux
Git / Docker
Portfolio

Artwork

3D renders and AI-generated artwork — exploring the intersection of technology and visual art.

View full portfolio on Artstation →

3D Assets

Shipping Container — Game-Ready 3D Asset
Shipping Container
 Storage Shelf — Game-Ready 3D Asset
Storage Shelf

PBR Materials

PBR Grass Material
Grass
 PBR Gravel Material
Gravel
 PBR Dirt Material
Dirt
Professional Work

Projects

Applied AI and interactive systems — from university research to production.

Charlie — VR Chatbot

AI-powered VR assistant for university research. Natural language understanding, speech recognition, and real-time interaction. Currently migrating to Unreal Engine 5.

Unity / UE5 NLU Speech AI
Visit vrcharlie.app → Read the deep dive →

STARS BEYOND — Sci-Fi Space Sim

Cozy space sim and colony management game set in a procedural galaxy. Build your station, train crew, colonize planets, and grow a civilization among the stars.

Unreal Engine 5 C++ Colony Sim Procedural
Visit playstarsbeyond.com →

PlanetGenerator — Procedural Planet Tool

Node based procedural planet texture generator with real time 3D OpenGL preview. Produces PBR basecolor, heightmap, normal, roughness and packed texture exports. Built alongside STARS BEYOND, planned as a standalone tool.

Python DearPyGui OpenGL Numba JIT
Read the deep dive →
Research Project

AudioGen Studio

A local TTS production tool with integrated voice quality scoring — built for consistency, not just generation.

Read the full deep dive →

Voice Consistency Score

5-metric evaluation framework measuring tightness, adherence, drift, prompt-robustness, and seed-stability across generated speech.

Voice Designer

Create and test custom voices with automated scoring. Save voices that pass quality thresholds, discard the rest.

A/B Listening Test

Blind comparison tests with spectrograms and cosine similarity — data-driven voice selection instead of guesswork.

Batch Processing

Game Mode with SSE progress streaming. Per-item voice selection for narrator, NPC, and combined output.

Voice Samples

Narrator — Rich Baritone
EN Male · VCS 98.3% · Production Ready
0:000:00
Arthur — Cowboy Drawl
EN Male · Deep rugged voice · Campfire storyteller
0:000:00
Laura — Warm Narrator
DE Female · Clear and conversational · Natural tone
0:000:00
Victor — Dark Commander
DE Male · Authoritative and dramatic · Character voice
0:000:00
Python / Flask VibeVoice TTS GPU Inference Resemble Enhance VCS Scoring
Get In Touch

Let's Talk

Open for opportunities in AI engineering, game development, and creative technology.

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