*.onnx models are converted from https://www.modelscope.cn/models/damo/speech_paraformer_asr_nat-zh-cn-16k-common-vocab8404-online/summary

See also https://huggingface.co/csukuangfj/streaming-paraformer-zh

Note: We have used https://huggingface.co/csukuangfj/streaming-paraformer-zh/blob/main/add-model-metadata.py to add meta data to model.onnx and renamed it to encoder.onnx.