optimization_report.md

# TTS Model Optimization Report

## Overview

- **Optimization Date:** 2025-05-17 01:42:50
- **Iterations Performed:** 3
- **Total Strategies Tested:** 32
- **Best Overall Score:** 0.8702

## Performance Metrics

- **Mel Cepstral Distortion:** 0.9042
- **Word Error Rate:** 0.0713
- **Naturalness:** 0.9458
- **Intelligibility:** 0.9393
- **Speaker Similarity:** 0.9504
- **Prosody:** 0.9655
- **Overall Quality:** 0.9593

## Optimization Insights

### Most Effective Parameter Settings

- **attention_scale:** 1.3000
- **output_scale:** 1.4000
- **projection_scale:** 1.6000
- **encoder_scale:** 1.5000
- **decoder_scale:** 1.2000
- **base_enhancement:** 0.0015
- **importance_factor:** 1.5599

### Optimization Journey

**Iteration 1:** Best strategy 'intelligibility_focus_var0.75' - Score 0.8648

**Iteration 2:** Best strategy 'intelligibility_focus_var0.75_iter2_noise_scale_1.2' - Score 0.8702

**Iteration 3:** Best strategy 'intelligibility_focus_var0.75_iter2_noise_scale_1.2_iter3_base_enhancement_1.2' - Score 0.8666