Module engine 

Refactored sync engine with VAD (Voice Activity Detection) support.

This module provides unified subtitle synchronization functionality using local VAD (Voice Activity Detection) for voice detection and sync offset calculation.

Structs

MethodSelectionStrategy

Method selection strategy for synchronization analysis.

SyncEngine

Unified sync engine based on VAD voice detection.

SyncResult

Synchronization result structure.

Enums

SyncMethod

Sync method enumeration.