| # TTS Model Optimization Report |
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| ## Overview |
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| - **Optimization Date:** 2025-05-19 08:53:54 |
| - **Iterations Performed:** 3 |
| - **Total Strategies Tested:** 34 |
| - **Best Overall Score:** 0.8739 |
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| ## Performance Metrics |
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| - **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 |
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| ## Optimization Insights |
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| ### Most Effective Parameter Settings |
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| - **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 |
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| ### Optimization Journey |
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| **Iteration 1:** Best strategy 'prosody_expression_var0.75' - Score 0.8739 |
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| **Iteration 2:** Best strategy 'prosody_expression_var0.75_iter2_noise_scale_0.8' - Score 0.8581 |
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| **Iteration 3:** Best strategy 'prosody_expression_var0.75_iter3_base_enhancement_0.8' - Score 0.8673 |
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