From 8acfbdc4f8d094eddbbd1375d6707a527ebbca34 Mon Sep 17 00:00:00 2001
From: 志浩 <neo.dzh@alibaba-inc.com>
Date: 星期三, 02 八月 2023 16:20:38 +0800
Subject: [PATCH] TOLD/SOND: add download pretrained model

---
 funasr/models/encoder/abs_encoder.py |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/funasr/models/encoder/abs_encoder.py b/funasr/models/encoder/abs_encoder.py
new file mode 100644
index 0000000..034bc1f
--- /dev/null
+++ b/funasr/models/encoder/abs_encoder.py
@@ -0,0 +1,21 @@
+from abc import ABC
+from abc import abstractmethod
+from typing import Optional
+from typing import Tuple
+
+import torch
+
+
+class AbsEncoder(torch.nn.Module, ABC):
+    @abstractmethod
+    def output_size(self) -> int:
+        raise NotImplementedError
+
+    @abstractmethod
+    def forward(
+        self,
+        xs_pad: torch.Tensor,
+        ilens: torch.Tensor,
+        prev_states: torch.Tensor = None,
+    ) -> Tuple[torch.Tensor, torch.Tensor, Optional[torch.Tensor]]:
+        raise NotImplementedError
\ No newline at end of file

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