compute cmvn before build vocab

examples/aishell/README.md

 # ASR
 
-* s0 for deepspeech2 offline
-* s1 for u2
+* s0 for deepspeech2
+* s1 for u2/transformer/conformer
+
+## Data
+
+| Data Subset | Duration in Seconds |
+| data/manifest.train |  1.23 ~ 14.53125 |
+| data/manifest.dev  | 1.645 ~ 12.533 |  
+| data/manifest.test | 1.859125 ~ 14.6999375 |

examples/aishell/s0/README.md

 # Aishell-1
 
-## Data
-| Data Subset | Duration in Seconds |
-| data/manifest.train |  1.23 ~ 14.53125 |
-| data/manifest.dev  | 1.645 ~ 12.533 |  
-| data/manifest.test | 1.859125 ~ 14.6999375 |
-
 ## Deepspeech2
 
 | Model | Params | Release | Config | Test set | Loss | CER |  

examples/aishell/s0/local/data.sh

@@ -26,22 +26,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # download data, generate manifests
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type="char" \
-    --count_threshold=0 \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths "data/manifest.train.raw" "data/manifest.dev.raw"
-
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -62,6 +46,20 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # download data, generate manifests
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type="char" \
+    --count_threshold=0 \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths "data/manifest.train.raw" "data/manifest.dev.raw"
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/aishell/s1/conf/augmentation.json

@@ -19,17 +19,17 @@
   {
     "type": "specaug",
     "params": {
+      "W": 0,
+      "warp_mode": "PIL",
       "F": 10,
-      "T": 50,
       "n_freq_masks": 2,
+      "T": 50,
       "n_time_masks": 2,
       "p": 1.0,
-      "W": 80,
       "adaptive_number_ratio": 0,
       "adaptive_size_ratio": 0,
       "max_n_time_masks": 20,
-      "replace_with_zero": true,
-      "warp_mode": "PIL"
+      "replace_with_zero": true
     },
     "prob": 1.0
   }

examples/aishell/s1/local/data.sh

@@ -26,22 +26,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # download data, generate manifests
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type="char" \
-    --count_threshold=0 \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths "data/manifest.train.raw"
-
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -63,6 +47,20 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # download data, generate manifests
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type="char" \
+    --count_threshold=0 \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths "data/manifest.train.raw"
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/aishell/s1/path.sh

@@ -25,5 +25,5 @@ export PATH=${PATH}:${SRILM}/bin:${SRILM}/bin/i686-m64
 export KALDI_ROOT=${MAIN_ROOT}/tools/kaldi
 [ -f $KALDI_ROOT/tools/env.sh ] && . $KALDI_ROOT/tools/env.sh
 export PATH=$PWD/utils/:$KALDI_ROOT/tools/openfst/bin:$PWD:$PATH
-[ ! -f $KALDI_ROOT/tools/config/common_path.sh ] && echo >&2 "The standard file $KALDI_ROOT/tools/config/common_path.sh is not present -> Exit!"
-. $KALDI_ROOT/tools/config/common_path.sh || true
+[ ! -f $KALDI_ROOT/tools/config/common_path.sh ] && echo >&2 "The standard file $KALDI_ROOT/tools/config/common_path.sh is not present, can not using Kaldi!"
+[ -f $KALDI_ROOT/tools/config/common_path.sh ] && . $KALDI_ROOT/tools/config/common_path.sh

examples/callcenter/s1/local/data.sh

@@ -14,22 +14,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # download data, generate manifests
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type="char" \
-    --count_threshold=0 \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths "data/manifest.train.raw"
-
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -51,6 +35,20 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # download data, generate manifests
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type="char" \
+    --count_threshold=0 \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths "data/manifest.train.raw"
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/librispeech/README.md

@@ -4,3 +4,10 @@
 * s1 is for transformer/conformer/U2
 * s2 is for transformer/conformer/U2 w/ kaldi feat
 need install Kaldi
+
+## Data
+| Data Subset | Duration in Seconds |
+| --- | --- |
+| data/manifest.train |  0.83s ~ 29.735s |
+| data/manifest.dev | 1.065 ~ 35.155s |  
+| data/manifest.test-clean | 1.285s ~ 34.955s |

examples/librispeech/s0/local/data.sh

@@ -42,21 +42,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type ${unit_type} \
-    --count_threshold=0 \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths="data/manifest.train.raw"
-
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -77,6 +62,19 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type ${unit_type} \
+    --count_threshold=0 \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths="data/manifest.train.raw"
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/librispeech/s1/README.md

 # LibriSpeech
 
-## Data
-| Data Subset | Duration in Seconds |
-| --- | --- |
-| data/manifest.train |  0.83s ~ 29.735s |
-| data/manifest.dev | 1.065 ~ 35.155s |  
-| data/manifest.test-clean | 1.285s ~ 34.955s |
-
-
 ## Conformer
 | Model | Params | Config | Augmentation| Test set | Decode method | Loss | WER |  
 | --- | --- | --- | --- | --- | --- | --- | --- |
@@ -21,6 +13,7 @@
 | --- | --- | --- | --- | --- | --- | --- | --- |
 | conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean-all | attention | 6.35 | 0.057117 |  
 
+
 ## Chunk Conformer
 | Model | Params | Config | Augmentation| Test set | Decode method | Chunk Size & Left Chunks | Loss | WER |  
 | --- | --- | --- | --- | --- | --- | --- | --- | --- |  

examples/librispeech/s1/local/data.sh

@@ -46,23 +46,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type "spm" \
-    --spm_vocab_size=${nbpe} \
-    --spm_mode ${bpemode} \
-    --spm_model_prefix ${bpeprefix} \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths="data/manifest.train.raw"
-
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -84,6 +67,21 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type "spm" \
+    --spm_vocab_size=${nbpe} \
+    --spm_mode ${bpemode} \
+    --spm_model_prefix ${bpeprefix} \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths="data/manifest.train.raw"
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/librispeech/s2/local/data.sh

@@ -46,23 +46,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type "spm" \
-    --spm_vocab_size=${nbpe} \
-    --spm_mode ${bpemode} \
-    --spm_model_prefix ${bpeprefix} \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths="data/manifest.train.raw"
-
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -84,6 +67,21 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type "spm" \
+    --spm_vocab_size=${nbpe} \
+    --spm_mode ${bpemode} \
+    --spm_model_prefix ${bpeprefix} \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths="data/manifest.train.raw"
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/ted_en_zh/t0/local/data.sh

@@ -44,27 +44,7 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
     echo "Complete raw data pre-process."
 fi
 
-
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type "spm" \
-    --spm_vocab_size=${nbpe} \
-    --spm_mode ${bpemode} \
-    --spm_model_prefix ${bpeprefix} \
-    --vocab_path="data/vocab.txt" \
-    --text_keys 'text' 'text1' \
-    --manifest_paths="data/manifest.train.raw"
-
-
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -86,6 +66,23 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type "spm" \
+    --spm_vocab_size=${nbpe} \
+    --spm_mode ${bpemode} \
+    --spm_model_prefix ${bpeprefix} \
+    --vocab_path="data/vocab.txt" \
+    --text_keys 'text' 'text1' \
+    --manifest_paths="data/manifest.train.raw"
+
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/timit/s1/local/data.sh

@@ -24,22 +24,8 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
     fi
 fi
 
-if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type ${unit_type} \
-    --count_threshold=0 \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths="data/manifest.train.raw"
 
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     # compute mean and stddev for normalizer
     num_workers=$(nproc)
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
@@ -61,6 +47,19 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type ${unit_type} \
+    --count_threshold=0 \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths="data/manifest.train.raw"
+
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/tiny/s0/local/data.sh

@@ -27,21 +27,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type ${unit_type} \
-    --count_threshold=0 \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths="data/manifest.tiny.raw"
-    
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
     --manifest_path="data/manifest.tiny.raw" \
@@ -61,6 +46,19 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type ${unit_type} \
+    --count_threshold=0 \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths="data/manifest.tiny.raw"
+    
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size

examples/tiny/s1/local/data.sh

@@ -30,23 +30,6 @@ if [ ${stage} -le -1 ] && [ ${stop_stage} -ge -1 ]; then
 fi
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-    # build vocabulary
-    python3 ${MAIN_ROOT}/utils/build_vocab.py \
-    --unit_type "spm" \
-    --spm_vocab_size=${nbpe} \
-    --spm_mode ${bpemode} \
-    --spm_model_prefix ${bpeprefix} \
-    --vocab_path="data/vocab.txt" \
-    --manifest_paths="data/manifest.tiny.raw"
-    
-    if [ $? -ne 0 ]; then
-        echo "Build vocabulary failed. Terminated."
-        exit 1
-    fi
-fi
-
-
-if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     # compute mean and stddev for normalizer
     python3 ${MAIN_ROOT}/utils/compute_mean_std.py \
     --manifest_path="data/manifest.tiny.raw" \
@@ -67,6 +50,21 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     fi
 fi
 
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    # build vocabulary
+    python3 ${MAIN_ROOT}/utils/build_vocab.py \
+    --unit_type "spm" \
+    --spm_vocab_size=${nbpe} \
+    --spm_mode ${bpemode} \
+    --spm_model_prefix ${bpeprefix} \
+    --vocab_path="data/vocab.txt" \
+    --manifest_paths="data/manifest.tiny.raw"
+    
+    if [ $? -ne 0 ]; then
+        echo "Build vocabulary failed. Terminated."
+        exit 1
+    fi
+fi
 
 if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
     # format manifest with tokenids, vocab size