What's Changed

• Remove duplicate AudioProcessor code, fix ExtractTTSpectrogram.ipynb by @eginhard in https://github.com/coqui-ai/TTS/pull/3230
• Add sentence splitting by @WeberJulian in https://github.com/coqui-ai/TTS/pull/3227
• Fix zh bug by @WeberJulian in https://github.com/coqui-ai/TTS/pull/3238
• Update versions by @erogol in https://github.com/coqui-ai/TTS/pull/3248
• Ensures that only GPT model is in training mode during XTTS GPT training by @Edresson in https://github.com/coqui-ai/TTS/pull/3241
• Loosen dependencies and make k_diffusion optional by @erogol in https://github.com/coqui-ai/TTS/pull/3249
• Update XTTS v2.0.2 by @erogol in https://github.com/coqui-ai/TTS/pull/3249

Full Changelog: https://github.com/coqui-ai/TTS/compare/v0.20.5...v0.20.6