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README.md

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+---
+license: apache-2.0
+language: "en"
+thumbnail:
+tags:
+- G2P
+- Grapheme-to-Phoneme
+- speechbrain
+- text2text-generation
+datasets:
+- Librispeech
+metrics:
+- Phone-Error-Rate
+widget:
+- text: "English is tough. It can be understood through thorough thought though."
+---
+# SoundChoice: Grapheme-to-Phoneme Models with Semantic Disambiguation
+
+This repository provides all the necessary tools to perform English grapheme-to-phoneme conversion with a pretrained SoundChoice G2P model using SpeechBrain. It is trained on LibriG2P training data derived from [LibriSpeech Alignments](https://zenodo.org/record/2619474#.YuCdaC8r1ZF) and [Google Wikipedia](https://github.com/google/WikipediaHomographData)
+
+
+## Install SpeechBrain
+
+First of all, please install SpeechBrain with the following command (local installation):
+
+```bash
+pip install speechbrain
+pip install transformers
+```
+
+Please notice that we encourage you to read our tutorials and learn more about
+[SpeechBrain](https://speechbrain.github.io).
+
+## Perform G2P Conversion
+
+Please follow the example below to perform grapheme-to-phoneme conversion with a high-level wrapper.
+
+```python
+from speechbrain.pretrained import GraphemeToPhoneme
+g2p = GraphemeToPhoneme.from_hparams("speechbrain/soundchoice-g2p")
+text = "To be or not to be, that is the question"
+phonemes = g2p(text)
+```
+
+Given below is the expected output
+```python
+>>> phonemes
+['T', 'UW', ' ', 'B', 'IY', ' ', 'AO', 'R', ' ', 'N', 'AA', 'T', ' ', 'T', 'UW', ' ', 'B', 'IY', ' ', 'DH', 'AE', 'T', ' ', 'IH', 'Z', ' ', 'DH', 'AH', ' ', 'K', 'W', 'EH', 'S', 'CH', 'AH', 'N']
+```
+
+To perform G2P conversion on a batch of text, pass
+an array of strings to the interface:
+
+```python
+items = [
+    "All's Well That Ends Well",
+    "The Merchant of Venice",
+    "The Two Gentlemen of Verona",
+    "The Comedy of Errors"
+]
+transcriptions = g2p(items)
+```
+
+Given below is the expected output:
+
+```python
+>>> transcriptions
+[['AO', 'L', 'Z', ' ', 'W', 'EH', 'L', ' ', 'DH', 'AE', 'T', ' ', 'EH', 'N', 'D', 'Z', ' ', 'W', 'EH', 'L'], ['DH', 'AH', ' ', 'M', 'ER', 'CH', 'AH', 'N', 'T', ' ', 'AH', 'V', ' ', 'V', 'EH', 'N', 'AH', 'S'], ['DH', 'AH', ' ', 'T', 'UW', ' ', 'JH', 'EH', 'N', 'T', 'AH', 'L', 'M', 'IH', 'N', ' ', 'AH', 'V', ' ', 'V', 'ER', 'OW', 'N', 'AH'], ['DH', 'AH', ' ', 'K', 'AA', 'M', 'AH', 'D', 'IY', ' ', 'AH', 'V', ' ', 'EH', 'R', 'ER', 'Z']]
+```
+
+### Inference on GPU
+To perform inference on the GPU, add  `run_opts={"device":"cuda"}`  when calling the `from_hparams` method.
+
+### Limitations
+The SpeechBrain team does not provide any warranty on the performance achieved by this model when used on other datasets.
+
+### Training
+The model was trained with SpeechBrain (aa018540).
+To train it from scratch follows these steps:
+1. Clone SpeechBrain:
+```bash
+git clone https://github.com/speechbrain/speechbrain/
+```
+2. Install it:
+```
+cd speechbrain
+pip install -r requirements.txt
+pip install -e .
+```
+
+3. Run Training:
+```
+cd recipes/LibriSpeech/G2P
+python train.py hparams/hparams_g2p_rnn.yaml --data_folder=your_data_folder
+```
+
+Adjust hyperparameters as needed by passing additional arguments.
+
+# **Citing SpeechBrain**
+Please, cite SpeechBrain if you use it for your research or business.
+
+```bibtex
+@misc{speechbrain,
+  title={{SpeechBrain}: A General-Purpose Speech Toolkit},
+  author={Mirco Ravanelli and Titouan Parcollet and Peter Plantinga and Aku Rouhe and Samuele Cornell and Loren Lugosch and Cem Subakan and Nauman Dawalatabad and Abdelwahab Heba and Jianyuan Zhong and Ju-Chieh Chou and Sung-Lin Yeh and Szu-Wei Fu and Chien-Feng Liao and Elena Rastorgueva and François Grondin and William Aris and Hwidong Na and Yan Gao and Renato De Mori and Yoshua Bengio},
+  year={2021},
+  eprint={2106.04624},
+  archivePrefix={arXiv},
+  primaryClass={eess.AS},
+  note={arXiv:2106.04624}
+}
+```
+
+Also please cite the SoundChoice G2P paper on which this pretrained model is based:
+
+```bibtex
+@misc{ploujnikov2022soundchoice,
+      title={SoundChoice: Grapheme-to-Phoneme Models with Semantic Disambiguation}, 
+      author={Artem Ploujnikov and Mirco Ravanelli},
+      year={2022},
+      eprint={2207.13703},
+      archivePrefix={arXiv},
+      primaryClass={cs.SD}
+}
+```
+
+# **About SpeechBrain**
+- Website: https://speechbrain.github.io/
+- Code: https://github.com/speechbrain/speechbrain/
+- HuggingFace: https://huggingface.co/speechbrain/

config.json

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+{
+    "speechbrain_interface": "GraphemeToPhoneme"
+}

gitattributes

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+*.arrow filter=lfs diff=lfs merge=lfs -text
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+*.h5 filter=lfs diff=lfs merge=lfs -text
+*.joblib filter=lfs diff=lfs merge=lfs -text
+*.lfs.* filter=lfs diff=lfs merge=lfs -text
+*.mlmodel filter=lfs diff=lfs merge=lfs -text
+*.model filter=lfs diff=lfs merge=lfs -text
+*.msgpack filter=lfs diff=lfs merge=lfs -text
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+*.pickle filter=lfs diff=lfs merge=lfs -text
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+*.pt filter=lfs diff=lfs merge=lfs -text
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+*.tar.* filter=lfs diff=lfs merge=lfs -text
+*.safetensors filter=lfs diff=lfs merge=lfs -text
+saved_model/**/* filter=lfs diff=lfs merge=lfs -text
+*.tar.* filter=lfs diff=lfs merge=lfs -text
+*.tar filter=lfs diff=lfs merge=lfs -text
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+ctc_lin.ckpt filter=lfs diff=lfs merge=lfs -text
+model.ckpt filter=lfs diff=lfs merge=lfs -text
+*.zst filter=lfs diff=lfs merge=lfs -text
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hyperparams.yaml

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+# Generated 2022-07-09 from:
+# /notebooks/speechbrain/recipes/LibriSpeech/G2P/hparams/hparams_g2p_rnn.yaml
+# yamllint disable
+# ################################
+# Model: LSTM (encoder) + GRU (decoder) (tokenized)
+# Authors:
+# Loren Lugosch & Mirco Ravanelli 2020
+# Artem Ploujnikov 2021
+# ################################
+
+# Seed needs to be set at top of yaml, before objects with parameters are made
+seed: 1234
+__set_seed: !apply:torch.manual_seed [!ref <seed>]
+
+
+# Tokenizers
+char_tokenize: False
+char_token_type: unigram  # ["unigram", "bpe", "char"]
+char_token_output: 512
+char_token_wordwise: True
+phn_tokenize: False
+phn_token_type: unigram  # ["unigram", "bpe", "char"]
+phn_token_output: 512  # index(blank/eos/bos/unk) = 0
+phn_token_wordwise: True
+character_coverage: 1.0
+
+
+phonemes_count: 43
+graphemes_count: 31
+phonemes_enable_space: True
+
+ctc_weight: 0.5
+ctc_window_size: 0
+homograph_loss_weight: 2.0
+
+# Model parameters
+output_neurons: !apply:speechbrain.utils.hparams.choice
+  value: !ref <phn_tokenize>
+  choices:
+    True: !ref <phn_token_output> + 1
+    False: !ref <phonemes_count>
+
+enc_num_embeddings: !apply:speechbrain.utils.hparams.choice
+  value: !ref <char_tokenize>
+  choices:
+    True: !ref <char_token_output> + 1
+    False: !ref <graphemes_count>
+
+enc_dropout: 0.5
+enc_neurons: 512
+enc_num_layers: 4
+dec_dropout: 0.5
+dec_neurons: 512
+dec_att_neurons: 256
+dec_num_layers: 4
+embedding_dim: 512
+
+# Determines whether to use BOS (beginning-of-sequence) or EOS (end-of-sequence) tokens
+# Available modes:
+# raw: no BOS/EOS tokens are added
+# bos: a beginning-of-sequence token is added
+# eos: an end-of-sequence token is added
+grapheme_sequence_mode: bos
+phoneme_sequence_mode: bos
+
+
+# Special Token information
+bos_index: 0
+eos_index: 1
+blank_index: 2
+unk_index: 2
+token_space_index: 512
+
+
+# Language Model
+lm_emb_dim: 256 # dimension of the embeddings
+lm_rnn_size: 512 # dimension of hidden layers
+lm_layers: 2 # number of hidden layers
+lm_output_neurons: 43
+
+# Beam Searcher
+beam_search_min_decode_ratio: 0
+beam_search_max_decode_ratio: 1.0
+beam_search_beam_size: 16
+beam_search_beam_size_valid: 16
+beam_search_eos_threshold: 10.0
+beam_search_using_max_attn_shift: false
+beam_search_max_attn_shift: 10
+beam_search_coverage_penalty: 5.0
+beam_search_lm_weight: 0.5
+beam_search_ctc_weight_decode: 0.4
+beam_search_temperature: 1.25
+beam_search_temperature_lm: 1.0
+
+# Word embeddings
+use_word_emb: true
+word_emb_model: bert-base-uncased
+word_emb_dim: 768
+word_emb_enc_dim: 256
+word_emb_norm_type: batch
+
+graphemes:
+- A
+- B
+- C
+- D
+- E
+- F
+- G
+- H
+- I
+- J
+- K
+- L
+- M
+- N
+- O
+- P
+- Q
+- R
+- S
+- T
+- U
+- V
+- W
+- X
+- Y
+- Z
+- "'"
+- ' '
+
+phonemes: 
+- AA
+- AE
+- AH
+- AO
+- AW
+- AY
+- B
+- CH
+- D
+- DH
+- EH
+- ER
+- EY
+- F
+- G
+- HH
+- IH
+- IY
+- JH
+- K
+- L
+- M
+- N
+- NG
+- OW
+- OY
+- P
+- R
+- S
+- SH
+- T
+- TH
+- UH
+- UW
+- V
+- W
+- Y
+- Z
+- ZH
+- ' '
+
+enc_input_dim: !apply:speechbrain.lobes.models.g2p.model.input_dim
+  use_word_emb: !ref <use_word_emb>
+  word_emb_enc_dim: !ref <word_emb_enc_dim>
+  embedding_dim: !ref <embedding_dim>
+
+phn_char_map: !apply:speechbrain.lobes.models.g2p.dataio.build_token_char_map
+  tokens: !ref <phonemes>
+
+char_phn_map: !apply:speechbrain.lobes.models.g2p.dataio.flip_map
+  map_dict: !ref <phn_char_map>
+
+enc: !new:speechbrain.nnet.RNN.LSTM
+  input_shape: [null, null, !ref <enc_input_dim>]
+  bidirectional: True
+  hidden_size: !ref <enc_neurons>
+  num_layers: !ref <enc_num_layers>
+  dropout: !ref <enc_dropout>
+
+lin: !new:speechbrain.nnet.linear.Linear
+  input_size: !ref <dec_neurons>
+  n_neurons: !ref <output_neurons>
+  bias: false
+
+ctc_lin: !new:speechbrain.nnet.linear.Linear
+  input_size: !ref 2 * <enc_neurons>
+  n_neurons: !ref <output_neurons>
+
+encoder_emb: !new:speechbrain.nnet.embedding.Embedding
+  num_embeddings: !ref <enc_num_embeddings>
+  embedding_dim: !ref <embedding_dim>
+
+emb: !new:speechbrain.nnet.embedding.Embedding
+  num_embeddings: !ref <output_neurons>
+  embedding_dim: !ref <embedding_dim>
+
+dec: !new:speechbrain.nnet.RNN.AttentionalRNNDecoder
+  enc_dim: !ref <enc_neurons> * 2
+  input_size: !ref <embedding_dim>
+  rnn_type: gru
+  attn_type: content
+  dropout: !ref <dec_dropout>
+  hidden_size: !ref <dec_neurons>
+  attn_dim: !ref <dec_att_neurons>
+  num_layers: !ref <dec_num_layers>
+
+word_emb_enc: !new:speechbrain.lobes.models.g2p.model.WordEmbeddingEncoder
+  word_emb_dim: !ref <word_emb_dim>
+  word_emb_enc_dim: !ref <word_emb_enc_dim>
+  norm_type: batch
+
+word_emb: !apply:speechbrain.lobes.models.g2p.dataio.lazy_init
+  init: !name:speechbrain.wordemb.transformer.TransformerWordEmbeddings
+    model: bert-base-uncased
+
+log_softmax: !new:speechbrain.nnet.activations.Softmax
+  apply_log: true
+
+model: !new:speechbrain.lobes.models.g2p.model.AttentionSeq2Seq
+  enc: !ref <enc>
+  encoder_emb: !ref <encoder_emb>
+  emb: !ref <emb>
+  dec: !ref <dec>
+  lin: !ref <lin>
+  out: !ref <log_softmax>
+  use_word_emb: !ref <use_word_emb>
+  word_emb_enc: !ref <word_emb_enc>
+
+modules:
+  model: !ref <model>
+  enc: !ref <enc>
+  encoder_emb: !ref <encoder_emb>
+  emb: !ref <emb>
+  dec: !ref <dec>
+  lin: !ref <lin>
+  ctc_lin: !ref <ctc_lin>
+  out: !ref <log_softmax>
+  word_emb: !ref <word_emb>
+  word_emb_enc: !ref <word_emb_enc>
+
+lm_model: !new:speechbrain.lobes.models.RNNLM.RNNLM
+  embedding_dim: !ref <lm_emb_dim>
+  rnn_layers: !ref <lm_layers>
+  rnn_neurons: !ref <lm_rnn_size>
+  output_neurons: !ref <lm_output_neurons>
+  return_hidden: True
+
+ctc_scorer: !new:speechbrain.decoders.scorer.CTCScorer
+  eos_index: !ref <eos_index>
+  blank_index: !ref <blank_index>
+  ctc_fc: !ref <ctc_lin>
+  ctc_window_size: !ref <ctc_window_size>
+
+coverage_scorer: !new:speechbrain.decoders.scorer.CoverageScorer
+   vocab_size: !ref <output_neurons>
+
+scorer: !new:speechbrain.decoders.scorer.ScorerBuilder
+   full_scorers: [!ref <coverage_scorer>, !ref <ctc_scorer>]
+   weights:
+      coverage: !ref <beam_search_coverage_penalty>
+      ctc: !ref <ctc_weight>
+
+beam_searcher: !new:speechbrain.decoders.S2SRNNBeamSearcher
+  embedding: !ref <emb>
+  decoder: !ref <dec>
+  linear: !ref <lin>
+  bos_index: !ref <bos_index>
+  eos_index: !ref <eos_index>
+  min_decode_ratio: !ref <beam_search_min_decode_ratio>
+  max_decode_ratio: !ref <beam_search_max_decode_ratio>
+  beam_size: !ref <beam_search_beam_size>
+  eos_threshold: !ref <beam_search_eos_threshold>
+  using_max_attn_shift: !ref <beam_search_using_max_attn_shift>
+  max_attn_shift: !ref <beam_search_max_attn_shift>
+  temperature: !ref <beam_search_temperature>
+  scorer: !ref <scorer>
+
+beam_searcher_valid: !new:speechbrain.decoders.S2SRNNBeamSearcher
+  embedding: !ref <emb>
+  decoder: !ref <dec>
+  linear: !ref <lin>
+  bos_index: !ref <bos_index>
+  eos_index: !ref <eos_index>
+  min_decode_ratio: !ref <beam_search_min_decode_ratio>
+  max_decode_ratio: !ref <beam_search_max_decode_ratio>
+  beam_size: !ref <beam_search_beam_size>
+  eos_threshold: !ref <beam_search_eos_threshold>
+  using_max_attn_shift: !ref <beam_search_using_max_attn_shift>
+  max_attn_shift: !ref <beam_search_max_attn_shift>
+  temperature: !ref <beam_search_temperature>
+  scorer: !ref <scorer>
+
+homograph_extractor: !new:speechbrain.lobes.models.g2p.homograph.SubsequenceExtractor
+
+model_output_keys:
+- p_seq
+- char_lens
+- encoder_out
+
+grapheme_encoder: &id027 !new:speechbrain.dataio.encoder.TextEncoder
+phoneme_encoder: &id024 !new:speechbrain.dataio.encoder.TextEncoder
+
+
+grapheme_tokenizer: !apply:speechbrain.lobes.models.g2p.dataio.lazy_init
+  init: !name:speechbrain.tokenizers.SentencePiece.SentencePiece
+    model_dir: grapheme_tokenizer
+    bos_id: !ref <bos_index>
+    eos_id: !ref <eos_index>
+    unk_id: !ref <unk_index>
+    vocab_size: !ref <char_token_output>
+    annotation_train: null
+    annotation_read: char
+    model_type: !ref <char_token_type> # ["unigram", "bpe", "char"]
+    character_coverage: !ref <character_coverage>
+    annotation_format: json
+    text_file: grapheme_annotations.txt
+
+phoneme_tokenizer: !apply:speechbrain.lobes.models.g2p.dataio.lazy_init
+  init: !name:speechbrain.tokenizers.SentencePiece.SentencePiece
+    model_dir: phoneme_tokenizer
+    bos_id: !ref <bos_index>
+    eos_id: !ref <eos_index>
+    unk_id: !ref <unk_index>
+    vocab_size: !ref <phn_token_output>
+    annotation_train: null
+    annotation_read: phn
+    model_type: !ref <phn_token_type> # ["unigram", "bpe", "char"]
+    character_coverage: !ref <character_coverage>
+    annotation_format: json
+    text_file: null
+
+out_phoneme_decoder_tok: !apply:speechbrain.lobes.models.g2p.dataio.char_map_detokenize
+  tokenizer: !ref <phoneme_tokenizer>
+  char_map: !ref <char_phn_map>
+  token_space_index: !ref <token_space_index>
+  wordwise: !ref <phn_token_wordwise>
+
+out_phoneme_decoder_raw:  !name:speechbrain.lobes.models.g2p.dataio.text_decode
+  encoder: !ref <phoneme_encoder>
+
+out_phoneme_decoder: !apply:speechbrain.utils.hparams.choice
+  value: false
+  choices:
+    True: !ref <out_phoneme_decoder_tok>
+    False: !ref <out_phoneme_decoder_raw>
+encode_pipeline:
+  batch: false
+  use_padded_data: true
+  output_keys:
+  - grapheme_list
+  - grapheme_encoded_list
+  - grapheme_encoded
+  - word_emb
+  init:
+  - func: !name:speechbrain.lobes.models.g2p.dataio.enable_eos_bos
+      encoder: !ref <grapheme_encoder>
+      tokens: !ref <graphemes>
+      bos_index: !ref <bos_index>
+      eos_index: !ref <eos_index>
+  - func: !name:speechbrain.lobes.models.g2p.dataio.enable_eos_bos
+      encoder: !ref <phoneme_encoder>
+      tokens: !ref <phonemes>
+      bos_index: !ref <bos_index>
+      eos_index: !ref <eos_index>
+  steps:
+  - func: !name:speechbrain.lobes.models.g2p.dataio.clean_pipeline
+      graphemes: !ref <graphemes>
+    takes: txt
+    provides: txt_cleaned
+  - func: !name:speechbrain.lobes.models.g2p.dataio.grapheme_pipeline
+      grapheme_encoder: !ref <grapheme_encoder>
+    takes: txt_cleaned
+    provides:
+    - grapheme_list
+    - grapheme_encoded_list
+    - grapheme_encoded_raw
+
+  - func: !name:speechbrain.lobes.models.g2p.dataio.add_bos_eos
+      encoder: !ref <grapheme_encoder>
+    takes: grapheme_encoded_list
+    provides:
+    - grapheme_encoded
+    - grapheme_len
+    - grapheme_encoded_eos
+    - grapheme_len_eos
+  - func: !name:speechbrain.lobes.models.g2p.dataio.word_emb_pipeline
+      word_emb: !ref <word_emb>
+      grapheme_encoder: !ref <grapheme_encoder>
+      use_word_emb: !ref <use_word_emb>
+    takes:
+    - txt
+    - grapheme_encoded
+    - grapheme_len
+    provides: word_emb
+
+decode_pipeline:
+  batch: true
+  output_keys:
+  - phonemes
+  steps:
+  - func: !name:speechbrain.lobes.models.g2p.dataio.beam_search_pipeline
+      beam_searcher: !ref <beam_searcher>
+    takes:
+    - char_lens
+    - encoder_out
+    provides:
+    - hyps
+    - scores
+  - func: !apply:speechbrain.utils.hparams.choice
+      value: false
+      choices:
+        True: !apply:speechbrain.lobes.models.g2p.dataio.char_map_detokenize
+          tokenizer: !ref <phoneme_tokenizer>
+          char_map: !ref <char_phn_map>
+          token_space_index: !ref <token_space_index>
+          wordwise: !ref <phn_token_wordwise>
+        False: !name:speechbrain.lobes.models.g2p.dataio.phoneme_decoder_pipeline
+          phoneme_encoder: !ref <phoneme_encoder>
+    takes:
+    - hyps
+    provides:
+    - phonemes
+
+
+pretrainer: !new:speechbrain.utils.parameter_transfer.Pretrainer
+  loadables:
+    model: !ref <model>
+    ctc_lin: !ref <ctc_lin>

model.ckpt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:71bf7a7b290f88de5fdd7364fa4ab249bdd94a29e6cdc742ee6f69edeae64f61
+size 128643257