Schema AISS v0.3

1. System Overview

AISS (AI SlowmoSmoother) is a precision video time-modulation engine designed for cinematic slow-motion creation. The system operates entirely offline, using a custom time-warp architecture and an internal sidecar-driven mapping logic.

• Frame-accurate video mapping
• Custom FFT-based audio engine
• Unified timeline model
• Deterministic output pipeline
• Sidecar JSON as Single Source of Truth

2. Core Components

• Video-Pipeline – frame extraction, modulation, interpolation.
• Audio-Pipeline – frequency-domain manipulation, phase-preservation, limiter.
• Mapping Engine – unified monotonic time map based on mapping.json.
• SidecarLoader – validation, structure consistency, advanced clamping rules.
• Pipeline Runner – final builder, metadata, error handling.

3. Current Progress (Post-Sync Fix)

v0.3

• Introduced v0.3 Dynamic Percent-Based Presets
• Runtime Sidecar Generation
• Unified Pipeline Runner 5.5
• Nonlinear Phase-Vocoder Upgrade (Pitch & Static Modes)
• Mapping Engine refined for audio-accurate high-resolution time maps

v0.2

• Video and Audio pipeline validated
• Timewarp system fully synchronised
• All mapping conflicts resolved
• Legacy engines removed
• System in stable state, rebuild errors eliminated

4. Roadmap

4.1 Validation Phase

Ensuring correct output under all presets:

• Slowdown range: 0.05 – 1.0
• Multi-segment mapping tests
• Bezier curves
• Fixed-duration mode

4.2 Audio Quality Phase

• Phase coherence refinement
• Limiter smoothing
• Adaptive energy thresholds
• Vocoder upgrade (AI-assisted 2026)

4.3 Export & Pipeline

• FFmpeg finalisation
• Sidecar-Validator expansion
• Pipeline Runner hardening
• Metadata + stable JSONL logs
• Optional GUI-Stub

4.4 Feature Phase

• Auto-Mapping Generator
• AI-Assisted mapping (2026)
• Preview engine with caching
• Presets 2.0 (Cinematic, Smooth, Dramatic)

Document Version: AISS Schema v0.3
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