diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index d0c418c..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-special_tokens_map.json
-tokenizer_config.json
-vocab.json
diff --git a/preprocessor_config.json b/preprocessor_config.json
index a0b7227..d57e7d8 100644
--- a/preprocessor_config.json
+++ b/preprocessor_config.json
@@ -1,9 +1,9 @@
 {
-  "do_normalize": true,
+  "do_normalize": false,
   "feature_extractor_type": "Wav2Vec2FeatureExtractor",
   "feature_size": 1,
   "padding_side": "right",
-  "padding_value": 0.0,
-  "return_attention_mask": false,
+  "padding_value": 0,
+  "return_attention_mask": true,
   "sampling_rate": 16000
 }