online works in bash

elpis/wrappers/inference/gmm-decode-long.sh

@@ -1,40 +1,49 @@
 #!/bin/bash
 
-# Include Path
+# Get run command (which logs) from script file
+. ./cmd.sh
+# Put typical Kaldi binaries onto the path
 . ./path.sh
 
-# AUDIO --> FEATURE VECTORS
+
+# Add online binaries to PATH
+export PATH=$PATH:/kaldi/src/online2bin
+
+# Extract feature vectors for online training
 echo "==== Extracting Feature Vectors ===="
 steps/make_mfcc.sh --nj 1 data/infer exp/make_mfcc/infer mfcc
 
+# Apply cepstral mean variance normalisation and add delta features
 echo "==== Applying CMVN ===="
-apply-cmvn --utt2spk=ark:data/infer/utt2spk \
+/kaldi/src/featbin/apply-cmvn --utt2spk=ark:data/infer/utt2spk \
     scp:mfcc/cmvn_test.scp \
     scp:mfcc/raw_mfcc_infer.1.scp ark:- | \
-    add-deltas ark:- ark:data/infer/delta-feats.ark
+    /kaldi/src/featbin/add-deltas ark:- ark:data/infer/delta-feats.ark
 
-# TRAINED GMM-HMM + FEATURE VECTORS --> LATTICE
-echo "==== Producing Lattice ===="
-gmm-latgen-faster \
-    --word-symbol-table=exp/tri1/graph/words.txt \
-    exp/tri1/final.mdl \
-    exp/tri1/graph/HCLG.fst \
-    ark:data/infer/delta-feats.ark \
-    ark,t:data/infer/lattices.ark
+# Compute cepstral mean variance normalisation stats for online training
+/kaldi/src/featbin/compute-cmvn-stats ark:data/infer/delta-feats.ark cmvn.scp
 
+# This file's existence is required for online decoding, though it needs no content
+echo "# dummy file" > ./conf/online_cmvn.conf
+
+# Takes an offline model and creates and online variant
 ./steps/online/prepare_online_decoding.sh \
+    --cmd "$train_cmd" \
     data/train \
     data/lang \
-    exp/tri \
-    exp/tri/final.mdl \
-    exp/tri_online
+    exp/tri1 \
+    exp/tri1_online
 
-/kaldi/src/featbin/compute-cmvn-stats ark:data/infer/delta-feats.ark cmvn.scp
+# Manipulate the wav.scp file in the first (and only) split
+line=$(head -n 1 ./data/infer/spk2utt) && \
+ utt=` echo ${line} | cut -d ' ' -f 2` &&
+ echo "${utt} ./20030518Abui2PieterFrogDogBoy.wav" > ./data/infer/split1/1/wav.scp
 
-/kaldi/src/online2bin/online2-wav-gmm-latgen-faster \
-    --model=exp/tri/final.mdl \
-    --global-cmvn-stats=cmvn.scp \
-    exp/tri/graph/HCLG.fst \
-    ark:data/infer/spk2utt \
-    scp:wav.scp \
-    ark:data/infer/lattices.ark
+# Decodes all audio in the wav.scp path specified above
+steps/online/decode.sh \
+    --config conf/decode.config \
+    --cmd "$decode_cmd" \
+    --nj 1 \
+    exp/tri1/graph \
+    data/infer \
+    exp/tri1_online/decode