optimization_report.md

# TTS Model Optimization Report

## Overview

- **Optimization Date:** 2025-05-20 04:21:17
- **Iterations Performed:** 3
- **Total Strategies Tested:** 34
- **Best Overall Score:** 0.8735

## Performance Metrics

- **Mel Cepstral Distortion:** 0.9304
- **Word Error Rate:** 0.0687
- **Naturalness:** 0.9448
- **Intelligibility:** 0.9564
- **Speaker Similarity:** 0.9710
- **Prosody:** 0.9451
- **Overall Quality:** 0.9791

## Optimization Insights

### Most Effective Parameter Settings

- **attention_scale:** 1.6400
- **output_scale:** 1.3400
- **projection_scale:** 1.4800
- **encoder_scale:** 1.1600
- **decoder_scale:** 1.5400
- **base_enhancement:** 0.0017
- **importance_factor:** 1.7083

### Optimization Journey

**Iteration 1:** Best strategy 'attention_decoder_focus' - Score 0.8735

**Iteration 2:** Best strategy 'attention_decoder_focus_iter2_base_enhancement_1.2' - Score 0.8697

**Iteration 3:** Best strategy 'attention_decoder_focus_iter3_noise_scale_1.2' - Score 0.8657