DD
DigiDouble
Research Portal
The Project
DigiDouble Project
Vision, positioning & roadmap
Research Challenges
3 research axes & open questions
Target Architecture
DigiDouble system design & latency budget
Research Gaps & Opportunities
Identified gaps & opportunities
Academic Assessment
Key papers 2023–2026
Voice Pipeline
STT / Speech-to-Text
10 engines — cloud, on-premise & open-source
TTS & Voice Synthesis
16 engines compared
Audio Synthesis Benchmarks
STT → TTS — comparative synthesis & key metrics
Decision Framework
Layer-by-layer decision guide with simulator
Custom Voice Tool Ranking
Interactive
Weight criteria, get your personalized tool ranking
Voice-to-Voice Pipeline
Interactive
Interactive V2V diagram — select components, visualize latency & cost
Video Avatars
Streaming Video Avatars
11+ streaming avatar platforms compared
Cost Simulator
Interactive
Interactive pricing calculator — slider, filters, fixed vs variable costs
Business & Market
Business challenges & market opportunities
Axis 2 — Avatar Behavior & Expressiveness
Behavioral fidelity, body language & expressive TTS
Emotional Toolbox & Character Design
Cinema-grade emotional design for conversational avatars
About
About this portal
Purpose, editorial philosophy & portal structure
Technical Glossary
30+ terms: WER, TTFA, ELO, SSM, sovereignty, lock-in…
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