fix

README.md

@@ -15,6 +15,7 @@
 
 ## Setup
 
+All tested under:  
 * Ubuntu 16.04
 * python>=3.7
 * paddlepaddle>=2.1.2

README_cn.md

@@ -16,6 +16,8 @@
 
 ## 安装
 
+在以下环境测试验证过：    
+
 * Ubuntu 16.04
 * python>=3.7
 * paddlepaddle>=2.1.2

deepspeech/exps/u2_kaldi/model.py

@@ -233,7 +233,7 @@ class U2Trainer(Trainer):
             batch_frames_inout=0,
             preprocess_conf=config.collator.augmentation_config,
             n_iter_processes=config.collator.num_workers,
-            subsampling_factor=1,
+            subsampling_factor=0,
             num_encs=1)
 
         self.valid_loader = BatchDataLoader(

deepspeech/io/converter.py

@@ -55,6 +55,8 @@ class CustomConverter():
             xs = [x[::self.subsampling_factor, :] for x in xs]
 
         # get batch of lengths of input sequences
+        print(xs)
+        print(ys)
         ilens = np.array([x.shape[0] for x in xs])
 
         # perform padding and convert to tensor