keep blank for english asr result (#623)

zhaomingwork

2023-06-13 4a33f08defa92ac6c9c757dbde06d29d183bf203

 funasr/models/frontend/wav_frontend.py

@@ -395,7 +395,7 @@
        return feats_pad, feats_lens, lfr_splice_frame_idxs

    def forward(
        self, input: torch.Tensor, input_lengths: torch.Tensor, is_final: bool = False, reset: bool = True
        self, input: torch.Tensor, input_lengths: torch.Tensor, is_final: bool = False, reset: bool = False
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        if reset:
            self.cache_reset()