| | |
| | | |
| | | from funasr.layers.log_mel import LogMel |
| | | from funasr.layers.stft import Stft |
| | | from funasr.models.frontend.abs_frontend import AbsFrontend |
| | | from funasr.modules.frontends.frontend import Frontend |
| | | from funasr.utils.get_default_kwargs import get_default_kwargs |
| | | |
| | | |
| | | class DefaultFrontend(AbsFrontend): |
| | | class DefaultFrontend(torch.nn.Module): |
| | | """Conventional frontend structure for ASR. |
| | | |
| | | Stft -> WPE -> MVDR-Beamformer -> Power-spec -> Mel-Fbank -> CMVN |
| | |
| | | |
| | | |
| | | |
| | | class MultiChannelFrontend(AbsFrontend): |
| | | class MultiChannelFrontend(torch.nn.Module): |
| | | """Conventional frontend structure for ASR. |
| | | |
| | | Stft -> WPE -> MVDR-Beamformer -> Power-spec -> Mel-Fbank -> CMVN |