Use high_freq -400 in computing fbank features. (#1447)

See also https://github.com/k2-fsa/sherpa-onnx/issues/514

egs/aidatatang_200zh/ASR/pruned_transducer_stateless2/pretrained.py

@@ -242,6 +242,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/conformer_ctc/pretrained.py

@@ -261,6 +261,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/pruned_transducer_stateless2/pretrained.py

@@ -240,6 +240,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/pruned_transducer_stateless3/pretrained.py

@@ -241,6 +241,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/pruned_transducer_stateless7/jit_pretrained.py

@@ -230,6 +230,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/pruned_transducer_stateless7/onnx_pretrained.py

@@ -369,6 +369,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/pruned_transducer_stateless7_bbpe/jit_pretrained.py

@@ -227,6 +227,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/pruned_transducer_stateless7_bbpe/pretrained.py

@@ -250,6 +250,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/pruned_transducer_stateless7_streaming/streaming_decode.py

@@ -317,6 +317,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/aishell/ASR/tdnn_lstm_ctc/pretrained.py

@@ -158,6 +158,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/transducer_stateless/pretrained.py

@@ -258,6 +258,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/transducer_stateless_modified-2/pretrained.py

@@ -238,6 +238,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/transducer_stateless_modified/pretrained.py

@@ -238,6 +238,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell/ASR/zipformer/streaming_decode.py

@@ -572,6 +572,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 100
 

egs/aishell2/ASR/pruned_transducer_stateless5/pretrained.py

@@ -239,6 +239,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/aishell4/ASR/pruned_transducer_stateless5/pretrained.py

@@ -251,6 +251,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/alimeeting/ASR/pruned_transducer_stateless2/pretrained.py

@@ -242,6 +242,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/commonvoice/ASR/pruned_transducer_stateless7/onnx_pretrained.py

@@ -370,6 +370,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/commonvoice/ASR/pruned_transducer_stateless7/pretrained.py

@@ -260,6 +260,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/commonvoice/ASR/pruned_transducer_stateless7_streaming/streaming_decode.py

@@ -320,6 +320,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/csj/ASR/pruned_transducer_stateless7_streaming/jit_trace_pretrained.py

@@ -177,6 +177,7 @@ def create_streaming_feature_extractor(sample_rate) -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/csj/ASR/pruned_transducer_stateless7_streaming/pretrained.py

@@ -252,6 +252,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/csj/ASR/pruned_transducer_stateless7_streaming/streaming_decode.py

@@ -337,6 +337,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/gigaspeech/ASR/zipformer/streaming_decode.py

@@ -553,6 +553,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 100
 

egs/libriheavy/ASR/zipformer_prompt_asr/pretrained.py

@@ -264,6 +264,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/conformer_ctc/jit_pretrained_decode_with_H.py

@@ -195,6 +195,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/conformer_ctc/jit_pretrained_decode_with_HL.py

@@ -192,6 +192,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/conformer_ctc/jit_pretrained_decode_with_HLG.py

@@ -191,6 +191,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/conformer_ctc/pretrained.py

@@ -283,6 +283,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/conformer_ctc3/jit_pretrained.py

@@ -271,6 +271,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/conformer_ctc3/pretrained.py

@@ -302,6 +302,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/conv_emformer_transducer_stateless/streaming_decode.py

@@ -623,6 +623,7 @@ def create_streaming_feature_extractor() -> Fbank:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return Fbank(opts)
 
 

egs/librispeech/ASR/conv_emformer_transducer_stateless2/jit_pretrained.py

@@ -184,6 +184,7 @@ def create_streaming_feature_extractor(sample_rate) -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/conv_emformer_transducer_stateless2/onnx_pretrained.py

@@ -326,6 +326,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/conv_emformer_transducer_stateless2/streaming-ncnn-decode.py

@@ -276,6 +276,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/conv_emformer_transducer_stateless2/streaming_decode.py

@@ -623,6 +623,7 @@ def create_streaming_feature_extractor() -> Fbank:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return Fbank(opts)
 
 

egs/librispeech/ASR/lstm_transducer_stateless/jit_pretrained.py

@@ -266,6 +266,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/lstm_transducer_stateless/pretrained.py

@@ -251,6 +251,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/lstm_transducer_stateless/streaming_decode.py

@@ -615,6 +615,7 @@ def create_streaming_feature_extractor() -> Fbank:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return Fbank(opts)
 
 

egs/librispeech/ASR/lstm_transducer_stateless2/jit_pretrained.py

@@ -267,6 +267,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/lstm_transducer_stateless2/ncnn-decode.py

@@ -255,6 +255,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/lstm_transducer_stateless2/onnx_pretrained.py

@@ -298,6 +298,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/lstm_transducer_stateless2/pretrained.py

@@ -254,6 +254,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/lstm_transducer_stateless2/streaming-ncnn-decode.py

@@ -217,6 +217,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/lstm_transducer_stateless2/streaming-onnx-decode.py

@@ -344,6 +344,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/lstm_transducer_stateless3/jit_pretrained.py

@@ -266,6 +266,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/lstm_transducer_stateless3/pretrained.py

@@ -252,6 +252,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/lstm_transducer_stateless3/streaming_decode.py

@@ -615,6 +615,7 @@ def create_streaming_feature_extractor() -> Fbank:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return Fbank(opts)
 
 

egs/librispeech/ASR/pruned_transducer_stateless/pretrained.py

@@ -277,6 +277,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless/streaming_decode.py

@@ -334,6 +334,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 100
 

egs/librispeech/ASR/pruned_transducer_stateless2/pretrained.py

@@ -278,6 +278,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless2/streaming_decode.py

@@ -336,6 +336,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/librispeech/ASR/pruned_transducer_stateless3/jit_pretrained.py

@@ -285,6 +285,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless3/onnx_pretrained.py

@@ -368,6 +368,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless3/pretrained.py

@@ -287,6 +287,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless3/streaming_decode.py

@@ -337,6 +337,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/librispeech/ASR/pruned_transducer_stateless4/streaming_decode.py

@@ -353,6 +353,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/librispeech/ASR/pruned_transducer_stateless5/onnx_pretrained-streaming.py

@@ -326,6 +326,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/pruned_transducer_stateless5/pretrained.py

@@ -251,6 +251,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless5/streaming_decode.py

@@ -353,6 +353,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/librispeech/ASR/pruned_transducer_stateless7/jit_pretrained.py

@@ -225,6 +225,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7/pretrained.py

@@ -260,6 +260,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc/jit_pretrained.py

@@ -224,6 +224,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc/jit_pretrained_ctc.py

@@ -280,6 +280,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc/pretrained.py

@@ -260,6 +260,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc/pretrained_ctc.py

@@ -298,6 +298,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc_bs/jit_pretrained.py

@@ -224,6 +224,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc_bs/jit_pretrained_ctc.py

@@ -280,6 +280,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc_bs/onnx_pretrained.py

@@ -381,6 +381,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc_bs/pretrained.py

@@ -260,6 +260,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_ctc_bs/pretrained_ctc.py

@@ -298,6 +298,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_streaming/jit_pretrained.py

@@ -231,6 +231,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_streaming/jit_trace_pretrained.py

@@ -186,6 +186,7 @@ def create_streaming_feature_extractor(sample_rate) -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/pruned_transducer_stateless7_streaming/onnx_pretrained.py

@@ -382,6 +382,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/pruned_transducer_stateless7_streaming/pretrained.py

@@ -260,6 +260,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless7_streaming/streaming-ncnn-decode.py

@@ -335,6 +335,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/pruned_transducer_stateless7_streaming/streaming_decode.py

@@ -320,6 +320,7 @@ def decode_dataset(
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     log_interval = 50
 

egs/librispeech/ASR/pruned_transducer_stateless8/jit_pretrained.py

@@ -225,6 +225,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/pruned_transducer_stateless8/pretrained.py

@@ -260,6 +260,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/tdnn_lstm_ctc/pretrained.py

@@ -196,6 +196,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/tiny_transducer_ctc/jit_pretrained.py

@@ -224,6 +224,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/tiny_transducer_ctc/jit_pretrained_ctc.py

@@ -280,6 +280,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/tiny_transducer_ctc/pretrained.py

@@ -262,6 +262,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/tiny_transducer_ctc/pretrained_ctc.py

@@ -298,6 +298,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/transducer/pretrained.py

@@ -235,6 +235,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/transducer_stateless/pretrained.py

@@ -247,6 +247,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/transducer_stateless2/pretrained.py

@@ -247,6 +247,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/transducer_stateless_multi_datasets/pretrained.py

@@ -247,6 +247,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/zipformer/jit_pretrained.py

@@ -222,6 +222,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/zipformer/jit_pretrained_ctc.py

@@ -285,6 +285,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/zipformer/jit_pretrained_streaming.py

@@ -167,6 +167,7 @@ def create_streaming_feature_extractor(sample_rate) -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/zipformer/onnx_pretrained-streaming-ctc.py

@@ -318,6 +318,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/zipformer/onnx_pretrained-streaming.py

@@ -413,6 +413,7 @@ def create_streaming_feature_extractor() -> OnlineFeature:
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = 16000
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
     return OnlineFbank(opts)
 
 

egs/librispeech/ASR/zipformer/onnx_pretrained.py

@@ -369,6 +369,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/zipformer/onnx_pretrained_ctc.py

@@ -161,6 +161,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/zipformer/onnx_pretrained_ctc_H.py

@@ -225,6 +225,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     logging.info(f"Loading H from {args.H}")
     H = kaldifst.StdVectorFst.read(args.H)

egs/librispeech/ASR/zipformer/onnx_pretrained_ctc_HL.py

@@ -223,6 +223,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     logging.info(f"Loading HL from {args.HL}")
     HL = kaldifst.StdVectorFst.read(args.HL)

egs/librispeech/ASR/zipformer/onnx_pretrained_ctc_HLG.py

@@ -223,6 +223,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = args.sample_rate
     opts.mel_opts.num_bins = 80
+    opts.mel_opts.high_freq = -400
 
     logging.info(f"Loading HLG from {args.HLG}")
     HLG = kaldifst.StdVectorFst.read(args.HLG)

egs/librispeech/ASR/zipformer/pretrained.py

@@ -303,6 +303,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)
 

egs/librispeech/ASR/zipformer/pretrained_ctc.py

@@ -304,6 +304,7 @@ def main():
     opts.frame_opts.snip_edges = False
     opts.frame_opts.samp_freq = params.sample_rate
     opts.mel_opts.num_bins = params.feature_dim
+    opts.mel_opts.high_freq = -400
 
     fbank = kaldifeat.Fbank(opts)