From 2196844d1d6e5b8732c95896bb46f0eacdd9cf9d Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期三, 25 九月 2024 15:10:50 +0800
Subject: [PATCH] Dev kws (#2105)

---
 funasr/models/sanm/encoder.py |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/funasr/models/sanm/encoder.py b/funasr/models/sanm/encoder.py
index dc30a94..0d39ca7 100644
--- a/funasr/models/sanm/encoder.py
+++ b/funasr/models/sanm/encoder.py
@@ -523,6 +523,7 @@
         feats_dim=560,
         model_name="encoder",
         onnx: bool = True,
+        ctc_linear: nn.Module = None,
     ):
         super().__init__()
         self.embed = model.embed
@@ -553,6 +554,8 @@
         self.num_heads = model.encoders[0].self_attn.h
         self.hidden_size = model.encoders[0].self_attn.linear_out.out_features
 
+        self.ctc_linear = ctc_linear
+
     def prepare_mask(self, mask):
         mask_3d_btd = mask[:, :, None]
         if len(mask.shape) == 2:
@@ -566,6 +569,7 @@
     def forward(self, speech: torch.Tensor, speech_lengths: torch.Tensor, online: bool = False):
         if not online:
             speech = speech * self._output_size**0.5
+
         mask = self.make_pad_mask(speech_lengths)
         mask = self.prepare_mask(mask)
         if self.embed is None:
@@ -581,6 +585,10 @@
 
         xs_pad = self.model.after_norm(xs_pad)
 
+        if self.ctc_linear is not None:
+            xs_pad = self.ctc_linear(xs_pad)
+            xs_pad = F.softmax(xs_pad, dim=2)
+
         return xs_pad, speech_lengths
 
     def get_output_size(self):

--
Gitblit v1.9.1