optimization_report.md

# TTS Model Optimization Report

## Overview

- **Optimization Date:** 2025-05-19 05:42:20
- **Iterations Performed:** 3
- **Total Strategies Tested:** 36
- **Best Overall Score:** 0.8813

## Performance Metrics

- **Mel Cepstral Distortion:** 0.9250
- **Word Error Rate:** 0.0512
- **Naturalness:** 0.9429
- **Intelligibility:** 0.9781
- **Speaker Similarity:** 0.9580
- **Prosody:** 0.9594
- **Overall Quality:** 0.9037

## Optimization Insights

### Most Effective Parameter Settings

- **attention_scale:** 1.4000
- **output_scale:** 1.4000
- **projection_scale:** 1.4000
- **encoder_scale:** 1.4051
- **decoder_scale:** 1.3000
- **base_enhancement:** 0.0021
- **importance_factor:** 1.7289

### Optimization Journey

**Iteration 1:** Best strategy 'balanced_enhancement_var1.5' - Score 0.8699

**Iteration 2:** Best strategy 'balanced_enhancement_var1.5_iter2_importance_factor_1.2' - Score 0.8750

**Iteration 3:** Best strategy 'balanced_enhancement_var1.5_iter2_importance_factor_1.2_iter3_encoder_boost' - Score 0.8813