icefall

Hint

We use the binary sherpa-offline below for demonstration. You can replace sherpa-offline with sherpa-offline-websocket-server.

In this section, we list all pre-trained CTC models from icefall.

icefall-asr-gigaspeech-conformer-ctc (English)

# This model is trained using GigaSpeech
GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/wgb14/icefall-asr-gigaspeech-conformer-ctc
cd icefall-asr-gigaspeech-conformer-ctc
git lfs pull --include "exp/cpu_jit.pt"
git lfs pull --include "data/lang_bpe_500/HLG.pt"
git lfs pull --include "data/lang_bpe_500/tokens.txt"
mkdir test_wavs
cd test_wavs
wget https://huggingface.co/csukuangfj/wav2vec2.0-torchaudio/resolve/main/test_wavs/1089-134686-0001.wav
wget https://huggingface.co/csukuangfj/wav2vec2.0-torchaudio/resolve/main/test_wavs/1221-135766-0001.wav
wget https://huggingface.co/csukuangfj/wav2vec2.0-torchaudio/resolve/main/test_wavs/1221-135766-0002.wav
cd ..

# Decode with H
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe_500/tokens.txt \
  ./test_wavs/1089-134686-0001.wav \
  ./test_wavs/1221-135766-0001.wav \
  ./test_wavs/1221-135766-0002.wav

# Decode with HLG
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --hlg=./data/lang_bpe_500/HLG.pt \
  --tokens=./data/lang_bpe_500/tokens.txt \
  ./test_wavs/1089-134686-0001.wav \
  ./test_wavs/1221-135766-0001.wav \
  ./test_wavs/1221-135766-0002.wav

icefall-asr-librispeech-conformer-ctc-jit-bpe-500-2021-11-09 (English)

GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/csukuangfj/icefall-asr-librispeech-conformer-ctc-jit-bpe-500-2021-11-09
cd icefall-asr-librispeech-conformer-ctc-jit-bpe-500-2021-11-09

git lfs pull --include "exp/cpu_jit.pt"
git lfs pull --include "data/lang_bpe_500/tokens.txt"
git lfs pull --include "data/lang_bpe_500/HLG.pt"
git lfs pull --include "data/lang_bpe_500/HLG_modified.pt"

# Decode with H
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe_500/tokens.txt \
  --use-gpu=false \
  ./test_wavs/1089-134686-0001.wav \
  ./test_wavs/1221-135766-0001.wav \
  ./test_wavs/1221-135766-0002.wav

# Decode with HLG
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe_500/tokens.txt \
  --hlg=./data/lang_bpe_500/HLG.pt \
  --use-gpu=false \
  ./test_wavs/1089-134686-0001.wav \
  ./test_wavs/1221-135766-0001.wav \
  ./test_wavs/1221-135766-0002.wav

# Decode with HLG (modified)
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe_500/tokens.txt \
  --hlg=./data/lang_bpe_500/HLG_modified.pt \
  --use-gpu=false \
  ./test_wavs/1089-134686-0001.wav \
  ./test_wavs/1221-135766-0001.wav \
  ./test_wavs/1221-135766-0002.wav

icefall-asr-tedlium3-conformer-ctc2 (English)

# This model is trained using Tedlium3
#
# See https://github.com/k2-fsa/icefall/pull/696
#

GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/videodanchik/icefall-asr-tedlium3-conformer-ctc2
cd icefall-asr-tedlium3-conformer-ctc2
git lfs pull --include "exp/cpu_jit.pt"

git lfs pull --include "data/lang_bpe/HLG.pt"
git lfs pull --include "data/lang_bpe/tokens.txt"

git lfs pull --include "test_wavs/DanBarber_2010-219.wav"
git lfs pull --include "test_wavs/DanielKahneman_2010-157.wav"
git lfs pull --include "test_wavs/RobertGupta_2010U-15.wav"

# Decode with H
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe/tokens.txt \
  ./test_wavs/DanBarber_2010-219.wav \
  ./test_wavs/DanielKahneman_2010-157.wav \
  ./test_wavs/RobertGupta_2010U-15.wav

# Decode with HLG
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --hlg=./data/lang_bpe/HLG.pt \
  --tokens=./data/lang_bpe/tokens.txt \
  ./test_wavs/DanBarber_2010-219.wav \
  ./test_wavs/DanielKahneman_2010-157.wav \
  ./test_wavs/RobertGupta_2010U-15.wav

icefall_asr_librispeech_conformer_ctc (English)

# This model is trained using LibriSpeech
#
# See https://github.com/k2-fsa/icefall/pull/13
#

GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/pkufool/icefall_asr_librispeech_conformer_ctc
cd icefall_asr_librispeech_conformer_ctc

git lfs pull --include "exp/cpu_jit.pt"
git lfs pull --include "data/lang_bpe/HLG.pt"

# Decode with H
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe/tokens.txt \
  ./test_wavs/1089-134686-0001.wav \
  ./test_wavs/1221-135766-0001.wav \
  ./test_wavs/1221-135766-0002.wav

# Decode with HLG
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --hlg=./data/lang_bpe/HLG.pt \
  --tokens=./data/lang_bpe/tokens.txt \
  ./test_wavs/1089-134686-0001.wav \
  ./test_wavs/1221-135766-0001.wav \
  ./test_wavs/1221-135766-0002.wav

icefall_asr_aishell_conformer_ctc (Chinese)

GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/pkufool/icefall_asr_aishell_conformer_ctc
cd icefall_asr_aishell_conformer_ctc
git lfs pull --include "exp/cpu_jit.pt"
git lfs pull --include "data/lang_char/HLG.pt"

# Decode with an H graph
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_char/tokens.txt \
  ./test_waves/BAC009S0764W0121.wav \
  ./test_waves/BAC009S0764W0122.wav \
  ./test_waves/BAC009S0764W0123.wav

# Decode with an HLG graph
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_char/tokens.txt \
  --hlg=./data/lang_char/HLG.pt \
  ./test_waves/BAC009S0764W0121.wav \
  ./test_waves/BAC009S0764W0122.wav \
  ./test_waves/BAC009S0764W0123.wav

icefall-asr-mgb2-conformer_ctc-2022-27-06 (Arabic)

GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/AmirHussein/icefall-asr-mgb2-conformer_ctc-2022-27-06
cd icefall-asr-mgb2-conformer_ctc-2022-27-06
git lfs pull --include "exp/cpu_jit.pt"
git lfs pull --include "data/lang_bpe_5000/HLG.pt"
git lfs pull --include "data/lang_bpe_5000/tokens.txt"

# Decode with an H graph
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe_5000/tokens.txt \
  ./test_wavs/94D37D38-B203-4FC0-9F3A-538F5C174920_spk-0001_seg-0053813:0054281.wav \
  ./test_wavs/94D37D38-B203-4FC0-9F3A-538F5C174920_spk-0001_seg-0051454:0052244.wav \
  ./test_wavs/94D37D38-B203-4FC0-9F3A-538F5C174920_spk-0001_seg-0052244:0053004.wav

# Decode with an HLG graph
sherpa-offline \
  --nn-model=./exp/cpu_jit.pt \
  --tokens=./data/lang_bpe_5000/tokens.txt \
  --hlg=./data/lang_bpe_5000/HLG.pt \
  ./test_wavs/94D37D38-B203-4FC0-9F3A-538F5C174920_spk-0001_seg-0053813:0054281.wav \
  ./test_wavs/94D37D38-B203-4FC0-9F3A-538F5C174920_spk-0001_seg-0051454:0052244.wav \
  ./test_wavs/94D37D38-B203-4FC0-9F3A-538F5C174920_spk-0001_seg-0052244:0053004.wav