optimization_report.md

# TTS Model Optimization Report

## Overview

- **Optimization Date:** 2025-05-19 08:53:54
- **Iterations Performed:** 3
- **Total Strategies Tested:** 34
- **Best Overall Score:** 0.8739

## Performance Metrics

- **Mel Cepstral Distortion:** 0.9063
- **Word Error Rate:** 0.0502
- **Naturalness:** 0.9443
- **Intelligibility:** 0.9465
- **Speaker Similarity:** 0.9630
- **Prosody:** 0.8916
- **Overall Quality:** 0.9672

## Optimization Insights

### Most Effective Parameter Settings

- **attention_scale:** 1.8803
- **output_scale:** 1.5698
- **projection_scale:** 1.4398
- **encoder_scale:** 1.0995
- **decoder_scale:** 1.7361
- **base_enhancement:** 0.0016
- **importance_factor:** 1.6602

### Optimization Journey

**Iteration 1:** Best strategy 'prosody_expression_var0.75' - Score 0.8739

**Iteration 2:** Best strategy 'prosody_expression_var0.75_iter2_noise_scale_0.8' - Score 0.8581

**Iteration 3:** Best strategy 'prosody_expression_var0.75_iter3_base_enhancement_0.8' - Score 0.8673