optimization_report.md

# TTS Model Optimization Report

## Overview

- **Optimization Date:** 2025-04-14 17:08:24
- **Iterations Performed:** 3
- **Total Strategies Tested:** 32
- **Best Overall Score:** 0.8708

## Performance Metrics

- **Mel Cepstral Distortion:** 0.9590
- **Word Error Rate:** 0.0548
- **Naturalness:** 0.9246
- **Intelligibility:** 0.9577
- **Speaker Similarity:** 0.9453
- **Prosody:** 0.9438
- **Overall Quality:** 0.9845

## Optimization Insights

### Most Effective Parameter Settings

- **attention_scale:** 1.2800
- **output_scale:** 1.3800
- **projection_scale:** 1.6200
- **encoder_scale:** 1.6602
- **decoder_scale:** 1.2200
- **base_enhancement:** 0.0029
- **importance_factor:** 1.5999

### Optimization Journey

**Iteration 1:** Best strategy 'intelligibility_focus_var1.5' - Score 0.8693

**Iteration 2:** Best strategy 'intelligibility_focus_var1.5_iter2_encoder_boost' - Score 0.8701

**Iteration 3:** Best strategy 'intelligibility_focus_var1.5_iter2_encoder_boost_iter3_noise_scale_1.2' - Score 0.8708