Update SDK_tutorial_online_zh.md

Yabin Li

2024-03-20 2fd524e82e4c82f4743133a081d612b4a496324b

 funasr/frontends/wav_frontend.py

@@ -75,6 +75,7 @@
    LFR_outputs = torch.vstack(LFR_inputs)
    return LFR_outputs.type(torch.float32)

@tables.register("frontend_classes", "wav_frontend")
@tables.register("frontend_classes", "WavFrontend")
class WavFrontend(nn.Module):
    """Conventional frontend structure for ASR.