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authorDeterminant <ted.sybil@gmail.com>2015-08-25 11:10:47 +0800
committerDeterminant <ted.sybil@gmail.com>2015-08-25 11:10:47 +0800
commit49caeba74bd90f359e3d0831df5f4e3613b03e99 (patch)
tree6162ab7f12937b1eb0919f8ec1f8c9ba0b8cd05c
parent97425eb035b7e52918946f3799047fe48120d132 (diff)
allow proceeding global transf without frm ext
-rw-r--r--speech_utils/init.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/speech_utils/init.lua b/speech_utils/init.lua
index 3500eb4..a2d1dc9 100644
--- a/speech_utils/init.lua
+++ b/speech_utils/init.lua
@@ -4,7 +4,7 @@ function nerv.speech_utils.global_transf(feat_utter, global_transf,
frm_ext, frm_trim, gconf)
local rearranged
feat_utter = gconf.cumat_type.new_from_host(feat_utter)
- if frm_ext > 0 then
+ if frm_ext ~= nil and frm_ext > 0 then
local step = frm_ext * 2 + 1
-- expand the feature
local expanded = gconf.cumat_type(feat_utter:nrow(), feat_utter:ncol() * step)