From f77c5803f4d61099e572be8d877b1c4a4d6087cd Mon Sep 17 00:00:00 2001
From: yhliang <68215459+yhliang-aslp@users.noreply.github.com>
Date: 星期三, 10 五月 2023 12:02:06 +0800
Subject: [PATCH] Merge pull request #485 from alibaba-damo-academy/main
---
funasr/models/frontend/default.py | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/funasr/models/frontend/default.py b/funasr/models/frontend/default.py
index 9671fe9..2e1b0c4 100644
--- a/funasr/models/frontend/default.py
+++ b/funasr/models/frontend/default.py
@@ -38,6 +38,7 @@
htk: bool = False,
frontend_conf: Optional[dict] = get_default_kwargs(Frontend),
apply_stft: bool = True,
+ use_channel: int = None,
):
assert check_argument_types()
super().__init__()
@@ -77,6 +78,7 @@
)
self.n_mels = n_mels
self.frontend_type = "default"
+ self.use_channel = use_channel
def output_size(self) -> int:
return self.n_mels
@@ -100,9 +102,12 @@
if input_stft.dim() == 4:
# h: (B, T, C, F) -> h: (B, T, F)
if self.training:
- # Select 1ch randomly
- ch = np.random.randint(input_stft.size(2))
- input_stft = input_stft[:, :, ch, :]
+ if self.use_channel == None:
+ input_stft = input_stft[:, :, 0, :]
+ else:
+ # Select 1ch randomly
+ ch = np.random.randint(input_stft.size(2))
+ input_stft = input_stft[:, :, ch, :]
else:
# Use the first channel
input_stft = input_stft[:, :, 0, :]
--
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