implement TTS using next-generation Kaldi with ncnn inference framework

[zhouwg]

Thanks for your amazing project sherpa-ncnn and it provide an alternative excellent ASR engine to open source community and developers.

Could you implement TTS using next-generation Kaldi with ncnn inference framework in this project(just like what you did in sherpa-onnx )? it will helpful for developers because ncnn inference framework is well-maintained and ncnn inference frameworks is widely deployed in QQ/WeChat and some developers don't want to use ONNX inference framework on Android device.

It will great helpful for developers if you provide ASR&TTS using next-generation Kaldi with ncnn in this standalone project and developers can use a single inference framework to do ASR/TTS task with the powerful Kaldi in Android application at the same time.

[csukuangfj]

Help from the community is appreciated for supporting tts in sherpa-ncnn.