TTS model size

[joyhope]

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Issue or Suggestion Description

In ESP-SR standard document, it said: Resource Consumption flash images: 2.2MB. I think it is referred the TTS model. But I found the model in the esp-tts, the small model is 2.8MB. I am using 4M ESP32C3, it is very difficult to use. Is a 2.2MB model existing? Is it possible to make the model smaller even if we discard some features?