...

2 files changed, 1 insertions, 4 deletions

diff --git a/htk_io/init.lua b/htk_io/init.lua
index af1f740..da91980 100644
--- a/htk_io/init.lua
+++ b/htk_io/init.lua
@@ -29,13 +29,11 @@ function TNetReader:get_data()
         return nil
     end
     local res = {}
-    local frm_ext = self.frm_ext
-    local step = frm_ext * 2 + 1
     -- read HTK feature
     local feat_utter = self.feat_repo:cur_utter(self.debug)
     -- global transf
     local transformed = nerv.speech_utils.global_transf(feat_utter,
-                            self.global_transf, frm_ext, self.gconf)
+                            self.global_transf, self.frm_ext, self.gconf)
 
     res[self.feat_id] = transformed
     -- add corresponding labels
diff --git a/speech_utils/init.lua b/speech_utils/init.lua
index 5148664..87129af 100644
--- a/speech_utils/init.lua
+++ b/speech_utils/init.lua
@@ -1,7 +1,6 @@
 nerv.speech_utils = {}
 
 function nerv.speech_utils.global_transf(feat_utter, global_transf, frm_ext, gconf)
-    local res = {}
     local step = frm_ext * 2 + 1
     -- expand the feature
     local expanded = gconf.cumat_type(feat_utter:nrow(), feat_utter:ncol() * step)