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What are the best practices to configure pauses, voice inflections, and fluency in an AllTalk TTS system for optimal conversation-like dialogues?

AllTalk TTS, like many other text-to-speech systems, utilizes a concatenative or statistical parametric approach to generate speech.

It joins pre-recorded phonetic units or generates speech by modifying the parameters of a base voice.

Pauses between sentences and paragraphs can be controlled using special tags or XML-like markup in the input text.

For example, AllTalk TTS supports "" to insert a 300-millisecond pause.

Voice inflections can be influenced by using a combination of phonetic stress marks and SSML (Speech Synthesis Markup Language) tags in the input text.

Finetuning the AllTalk TTS model with a specific voice requires a high-quality wav audio file of the desired voice and time for training, usually several hours depending on the amount of data.

AllTalk TTS v2 uses a modular architecture allowing for the integration of different TTS engines in the future.

AllTalk TTS v2 also supports setting default values for TTS engines, such as speech rate, pitch, and volume, on an engine-by-engine basis.

The Coqui TTS engine, which AllTalk TTS is based on, uses a WaveRNN model for speech synthesis, which enables fast, high-quality speech generation.

AllTalk TTS supports voice cloning using a specific voice sample, which can then be used as a regular TTS voice after finetuning.

Adjusting standard startup settings, such as the speech rate, pitch, and volume, can be done through a settings page in the AllTalk TTS WebUI.

AllTalk TTS supports low VRAM systems by providing options to adjust the model complexity and granularity.

Custom character voices can be created and added to AllTalk TTS by cloning a voice sample and generating a new model using the AllTalk TTS WebUI.

AllTalk TTS includes an API suite that allows developers to integrate the TTS system into various applications and platforms.

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