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Delete hyperparams_develop.yaml
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hyperparams_develop.yaml
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# ############################################################################
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# Model: E2E ASR with attention-based ASR
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# Encoder: CRDNN model
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# Decoder: GRU + beamsearch + RNNLM
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# Tokens: BPE with unigram
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# Authors: Ju-Chieh Chou, Mirco Ravanelli, Abdel Heba, Peter Plantinga 2020, Adel Moumen 2024
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# ############################################################################
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# Feature parameters
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sample_rate: 16000
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n_fft: 400
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n_mels: 40
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# Model parameters
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activation: !name:torch.nn.LeakyReLU
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dropout: 0.15
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cnn_blocks: 2
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cnn_channels: (128, 256)
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inter_layer_pooling_size: (2, 2)
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cnn_kernelsize: (3, 3)
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time_pooling_size: 4
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rnn_class: !name:speechbrain.nnet.RNN.LSTM
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rnn_layers: 4
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rnn_neurons: 1024
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rnn_bidirectional: True
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dnn_blocks: 2
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dnn_neurons: 512
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emb_size: 128
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dec_neurons: 1024
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output_neurons: 1000 # index(blank/eos/bos) = 0
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blank_index: 0
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# Decoding parameters
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bos_index: 0
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eos_index: 0
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min_decode_ratio: 0.0
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max_decode_ratio: 1.0
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beam_size: 80
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eos_threshold: 1.5
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using_max_attn_shift: True
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max_attn_shift: 240
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lm_weight: 0.50
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coverage_penalty: 1.5
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temperature: 1.25
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temperature_lm: 1.25
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normalizer: !new:speechbrain.processing.features.InputNormalization
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norm_type: global
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compute_features: !new:speechbrain.lobes.features.Fbank
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sample_rate: !ref <sample_rate>
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n_fft: !ref <n_fft>
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n_mels: !ref <n_mels>
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enc: !new:speechbrain.lobes.models.CRDNN.CRDNN
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input_shape: [null, null, !ref <n_mels>]
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activation: !ref <activation>
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dropout: !ref <dropout>
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cnn_blocks: !ref <cnn_blocks>
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cnn_channels: !ref <cnn_channels>
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cnn_kernelsize: !ref <cnn_kernelsize>
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inter_layer_pooling_size: !ref <inter_layer_pooling_size>
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time_pooling: True
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using_2d_pooling: False
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time_pooling_size: !ref <time_pooling_size>
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rnn_class: !ref <rnn_class>
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rnn_layers: !ref <rnn_layers>
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rnn_neurons: !ref <rnn_neurons>
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rnn_bidirectional: !ref <rnn_bidirectional>
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rnn_re_init: True
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dnn_blocks: !ref <dnn_blocks>
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dnn_neurons: !ref <dnn_neurons>
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emb: !new:speechbrain.nnet.embedding.Embedding
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num_embeddings: !ref <output_neurons>
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embedding_dim: !ref <emb_size>
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dec: !new:speechbrain.nnet.RNN.AttentionalRNNDecoder
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enc_dim: !ref <dnn_neurons>
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input_size: !ref <emb_size>
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rnn_type: gru
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attn_type: location
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hidden_size: !ref <dec_neurons>
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attn_dim: 1024
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num_layers: 1
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scaling: 1.0
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channels: 10
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kernel_size: 100
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re_init: True
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dropout: !ref <dropout>
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ctc_lin: !new:speechbrain.nnet.linear.Linear
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input_size: !ref <dnn_neurons>
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n_neurons: !ref <output_neurons>
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seq_lin: !new:speechbrain.nnet.linear.Linear
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input_size: !ref <dec_neurons>
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n_neurons: !ref <output_neurons>
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log_softmax: !new:speechbrain.nnet.activations.Softmax
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apply_log: True
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lm_model: !new:speechbrain.lobes.models.RNNLM.RNNLM
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output_neurons: !ref <output_neurons>
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embedding_dim: !ref <emb_size>
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activation: !name:torch.nn.LeakyReLU
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dropout: 0.0
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rnn_layers: 2
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rnn_neurons: 2048
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dnn_blocks: 1
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dnn_neurons: 512
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return_hidden: True # For inference
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tokenizer: !new:sentencepiece.SentencePieceProcessor
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asr_model: !new:torch.nn.ModuleList
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- [!ref <enc>, !ref <emb>, !ref <dec>, !ref <ctc_lin>, !ref <seq_lin>]
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# We compose the inference (encoder) pipeline.
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encoder: !new:speechbrain.nnet.containers.LengthsCapableSequential
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input_shape: [null, null, !ref <n_mels>]
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compute_features: !ref <compute_features>
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normalize: !ref <normalizer>
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model: !ref <enc>
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# Scorer
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coverage_scorer: !new:speechbrain.decoders.scorer.CoverageScorer
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vocab_size: !ref <output_neurons>
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rnnlm_scorer: !new:speechbrain.decoders.scorer.RNNLMScorer
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language_model: !ref <lm_model>
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temperature: !ref <temperature_lm>
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scorer: !new:speechbrain.decoders.scorer.ScorerBuilder
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full_scorers: [!ref <rnnlm_scorer>,
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!ref <coverage_scorer>]
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weights:
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rnnlm: !ref <lm_weight>
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coverage: !ref <coverage_penalty>
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decoder: !new:speechbrain.decoders.S2SRNNBeamSearcher
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embedding: !ref <emb>
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decoder: !ref <dec>
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linear: !ref <seq_lin>
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bos_index: !ref <bos_index>
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eos_index: !ref <eos_index>
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min_decode_ratio: !ref <min_decode_ratio>
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max_decode_ratio: !ref <max_decode_ratio>
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beam_size: !ref <beam_size>
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eos_threshold: !ref <eos_threshold>
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using_max_attn_shift: !ref <using_max_attn_shift>
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max_attn_shift: !ref <max_attn_shift>
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temperature: !ref <temperature>
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scorer: !ref <scorer>
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modules:
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normalizer: !ref <normalizer>
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encoder: !ref <encoder>
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decoder: !ref <decoder>
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lm_model: !ref <lm_model>
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pretrainer: !new:speechbrain.utils.parameter_transfer.Pretrainer
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loadables:
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normalizer: !ref <normalizer>
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asr: !ref <asr_model>
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lm: !ref <lm_model>
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tokenizer: !ref <tokenizer>
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