Realtimetts

🚀 New Features

- update to latest versions of dependencies (stream2sentence, coqui-tts, elevenlabs, openai, edge-tts)

**StyleTTS Engine**
- Added seed. Added fix for a styletts2 problem causing noise to be generated with very short texts, especially when using embedding_scale values > 1

🛠 Bug Fixes
- Fixed a problem in stream2sentence causing minimum_sentence_length to not be respected

🚀 New Features
**Azure Engine**
- Added support for **48 kHz audio output** in the Azure TTS engine for improved audio quality (and providing more flexibility in audio formats).

**StyleTTS Engine**
- introduced StyleTTSVoice for dynamic voice switching to allow transitions between multiple voice models

🛠 Bug Fixes
- Fixed **incorrect voice initialization** when switching between models in the StyleTTS engine.
- Fixed **model configuration path issues** during runtime when updating voice parameters.

- Added support for the StyleTTS2 engine.
- Updated Coqui-TTS to version 0.25.0, which includes a fix for issue 227
- Upgraded all dependent libraries to their latest versions

- performance improvements, bugfixes and better edge_test.py for edge tts


https://github.com/user-attachments/assets/a480bd3f-75d8-4e20-91fc-5afc155fa722

fixes 223

**Enhancements to Sentence Processing**
- Improved buffer handling by ensuring it starts with an alphanumeric character to prevent TTS confusion caused by initial non-phonetic characters.
- **Bug Fix:** Resolved an issue where the word counter wasn’t reset after triggering `force_first_fragment_after_words`, causing processing errors.
- Increased the default `force_first_fragment_after_words` threshold from 15 to 30 for better fragment control.

🚀 New Features
**EdgeEngine**
- Introducing **EdgeEngine**, a free, extremely lightweight, and beginner-friendly engine.
- Designed for simplicity with no complex dependencies, making it ideal for lightweight projects or newcomers to TTS.

🛠 Bug Fixes
- Resolved **ValueError**: `('Sample format not supported', -9994)` (221).
- Fixed **RecursionError**: `maximum recursion depth exceeded` (222).
- Addressed the requirement to manually install `resampy` after installing RealtimeTTS.