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Add another convolutional layer

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This commit is contained in:
Daniel Povey 2022-03-30 11:11:32 +08:00
parent 1b8d7defd0
commit ca6337b78a
1 changed files with 11 additions and 4 deletions
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15
egs/librispeech/ASR/pruned_transducer_stateless2/conformer.py
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@ -954,8 +954,9 @@ class Conv2dSubsampling(nn.Module):
def __init__(self, in_channels: int,
out_channels: int,
layer1_channels: int = 32,
layer2_channels: int = 128) -> None:
layer1_channels: int = 8,
layer2_channels: int = 32,
layer3_channels: int = 128) -> None:
"""
Args:
in_channels:
@ -973,7 +974,7 @@ class Conv2dSubsampling(nn.Module):
self.conv = nn.Sequential(
ScaledConv2d(
in_channels=1, out_channels=layer1_channels,
kernel_size=3, stride=2
kernel_size=3,
),
ActivationBalancer(channel_dim=1),
DoubleSwish(),
@ -983,8 +984,14 @@ class Conv2dSubsampling(nn.Module):
),
ActivationBalancer(channel_dim=1),
DoubleSwish(),
ScaledConv2d(
in_channels=layer2_channels, out_channels=layer3_channels,
kernel_size=3, stride=2
),
ActivationBalancer(channel_dim=1),
DoubleSwish(),
)
self.out = ScaledLinear(layer2_channels * (((in_channels - 1) // 2 - 1) // 2), out_channels)
self.out = ScaledLinear(layer3_channels * (((in_channels - 1) // 2 - 1) // 2), out_channels)
# set learn_eps=False because out_norm is preceded by `out`, and `out`
# itself has learned scale, so the extra degree of freedom is not
# needed.