optimization_report.md

# TTS Model Optimization Report

## Overview

- **Optimization Date:** 2025-05-20 00:54:58
- **Iterations Performed:** 3
- **Total Strategies Tested:** 34
- **Best Overall Score:** 0.8655

## Performance Metrics

- **Mel Cepstral Distortion:** 0.9073
- **Word Error Rate:** 0.0575
- **Naturalness:** 0.9089
- **Intelligibility:** 0.9582
- **Speaker Similarity:** 0.9349
- **Prosody:** 0.9579
- **Overall Quality:** 0.8781

## Optimization Insights

### Most Effective Parameter Settings

- **attention_scale:** 1.5467
- **output_scale:** 1.3266
- **projection_scale:** 1.4734
- **encoder_scale:** 1.2266
- **decoder_scale:** 1.4467
- **base_enhancement:** 0.0021
- **importance_factor:** 1.7601

### Optimization Journey

**Iteration 1:** Best strategy 'attention_decoder_focus_var1.5' - Score 0.8648

**Iteration 2:** Best strategy 'attention_decoder_focus_var1.5_iter2_noise_scale_0.8' - Score 0.8628

**Iteration 3:** Best strategy 'ensemble_top3_iter3' - Score 0.8655