Add a stream_reset option to pocketsphinx_batch

doxygen/pocketsphinx_batch.1

@@ -369,6 +369,9 @@ Silence word transition probability
 .B \-smoothspec
 Write out cepstral-smoothed logspectral files
 .TP
+.B \-stream_reset
+Reset noise-removal statistics before each control-file entry, for control files whose entries are independent recordings
+.TP
 .B \-svspec
 specification (e.g., 24,0-11/25,12-23/26-38 or 0-12/13-25/26-38)
 .TP

programs/pocketsphinx_batch.c

@@ -79,6 +79,10 @@ static const ps_arg_t ps_args_def[] = {
       ARG_INTEGER,
       "1",
       "Do every Nth line in the control file" },
+    { "stream_reset",
+      ARG_BOOLEAN,
+      "no",
+      "Reset noise-removal statistics before each control-file entry, for control files whose entries are independent recordings" },
     { "mllrctl",
       ARG_STRING,
       NULL,
@@ -836,6 +840,9 @@ process_ctl(ps_decoder_t *ps, cmd_ln_t *config, FILE *ctlfh)
             E_INFO("Decoding '%s'\n", uttid);
 
             /* Do actual decoding. */
+            if (ps_config_bool(config, "stream_reset")
+                && ps_config_bool(config, "remove_noise"))
+                ps_start_stream(ps);
             if(process_mllrctl_line(ps, config, mllrfile) < 0)
                 continue;
             if(process_lmnamectl_line(ps, config, lmname) < 0)

test/regression/CMakeLists.txt

@@ -3,6 +3,7 @@ set(TESTS
   test-lm.sh
   test-lm-convert.sh
   test-main.sh
+  test-batch-stream-reset.sh
   test-main-align.sh
   test-align.sh
   test-tidigits-fsg.sh

test/regression/test-batch-stream-reset.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+: ${CMAKE_BINARY_DIR:=$(pwd)}
+. ${CMAKE_BINARY_DIR}/test/testfuncs.sh
+
+bn=`basename $0 .sh`
+ctl=$bn.ctl
+
+echo "Test: $bn"
+
+printf 'goforward 0 -1 gof_first\nnumbers 0 -1 num\nsomething 0 -1 som\ngoforward 0 -1 gof_again\n' >$ctl
+rm -f $bn.hyp
+
+run_program pocketsphinx_batch \
+    -hmm $model/en-us/en-us \
+    -lm $model/en-us/en-us.lm.bin \
+    -dict $model/en-us/cmudict-en-us.dict \
+    -ctl $ctl \
+    -cepdir $data \
+    -cepext .raw \
+    -adcin yes \
+    -stream_reset yes \
+    -hyp $bn.hyp \
+    2>$bn.log
+
+if [ $? = 0 ]; then
+    pass "run"
+else
+    fail "run"
+fi
+
+first=`grep ' (gof_first ' $bn.hyp 2>/dev/null | sed 's/ (gof_first / (gof /'`
+again=`grep ' (gof_again ' $bn.hyp 2>/dev/null | sed 's/ (gof_again / (gof /'`
+
+if test -n "$first" && test "$first" = "$again"; then
+    pass "repeated entry"
+else
+    fail "repeated entry"
+fi