Upload hyperparams.yaml

hyperparams.yaml

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+# ############################################################################
+# Model: E2E ST JA->EN with Conformer
+# Encoder: Conformer Encoder
+# Decoder: Conformer Decoder + (CTC/ATT joint)
+# Tokens: BPE
+# losses: CTC
+# Training: Custom JA->EN youtube scrape, ~600h
+# Authors:  Eric Engelhart, 2022
+# ############################################################################
+
+# Tokenier initialization
+tokenizer: !new:sentencepiece.SentencePieceProcessor
+
+# Features
+sample_rate: 16000
+n_fft: 400
+n_mels: 80
+
+# normalization
+normalizer: !new:speechbrain.processing.features.InputNormalization
+    norm_type: global
+
+compute_features: !new:speechbrain.lobes.features.Fbank
+    sample_rate: !ref <sample_rate>
+    n_fft: !ref <n_fft>
+    n_mels: !ref <n_mels>
+
+####################### Model parameters ###########################
+# Transformer
+d_model: 384
+nhead: 6
+num_encoder_layers: 12
+num_decoder_layers: 6
+d_ffn: 1536
+transformer_dropout: 0.1
+activation: !name:torch.nn.GELU
+output_neurons: 5000
+vocab_size: 5000
+attention_type: "regularMHA" # "RelPosMHAXL" or "regularMHA"
+kernel_size: 15
+encoder_module: conformer
+
+
+# Outputs
+blank_index: 0
+label_smoothing: 0.1
+pad_index: 0
+bos_index: 1
+eos_index: 2
+unk_index: 0
+
+# Decoding parameters
+min_decode_ratio: 0.0
+max_decode_ratio: 1.0
+valid_search_interval: 2
+valid_beam_size: 1
+test_beam_size: 25
+
+############################## models ################################
+CNN: !new:speechbrain.lobes.models.convolution.ConvolutionFrontEnd
+    input_shape: (8, 10, 80)
+    num_blocks: 2
+    num_layers_per_block: 1
+    out_channels: (256, 256)
+    kernel_sizes: (3, 3)
+    strides: (2, 2)
+    residuals: (False, False)
+
+Transformer: !new:speechbrain.lobes.models.transformer.TransformerST.TransformerST # yamllint disable-line rule:line-length
+    input_size: 5120
+    tgt_vocab: !ref <output_neurons>
+    d_model: !ref <d_model>
+    nhead: !ref <nhead>
+    num_encoder_layers: !ref <num_encoder_layers>
+    num_decoder_layers: !ref <num_decoder_layers>
+    d_ffn: !ref <d_ffn>
+    dropout: !ref <transformer_dropout>
+    activation: !ref <activation>
+    ctc_weight: 0
+    asr_weight: 0
+    mt_weight: 0
+    asr_tgt_vocab: !ref <output_neurons>
+    mt_src_vocab: !ref <output_neurons>
+    attention_type: !ref <attention_type>
+    kernel_size: !ref <kernel_size>
+    encoder_module: !ref <encoder_module>
+    normalize_before: True
+    causal: False
+    max_length: 5000
+
+# only when multi-task setting is used
+ctc_lin: !new:speechbrain.nnet.linear.Linear
+    input_size: !ref <d_model>
+    n_neurons: !ref <output_neurons>
+
+seq_lin: !new:speechbrain.nnet.linear.Linear
+    input_size: !ref <d_model>
+    n_neurons: !ref <output_neurons>
+
+# when asr-weight > 0 and ctc-weight < 1
+asr_seq_lin: !new:speechbrain.nnet.linear.Linear
+    input_size: !ref <d_model>
+    n_neurons: !ref <vocab_size>
+
+
+st_model: !new:torch.nn.ModuleList
+    - [!ref <CNN>, !ref <Transformer>, !ref <seq_lin>]
+
+
+Tencoder: !new:speechbrain.lobes.models.transformer.TransformerASR.EncoderWrapper
+    transformer: !ref <Transformer>
+
+encoder: !new:speechbrain.nnet.containers.LengthsCapableSequential
+    input_shape: [null, null, !ref <n_mels>]
+    compute_features: !ref <compute_features>
+    normalize: !ref <normalizer>
+    cnn: !ref <CNN>
+    transformer_encoder: !ref <Tencoder>
+
+
+
+decoder: !new:speechbrain.decoders.S2STransformerBeamSearch
+    modules: [!ref <Transformer>, !ref <seq_lin>, null]
+    bos_index: !ref <bos_index>
+    eos_index: !ref <eos_index>
+    blank_index: !ref <blank_index>
+    min_decode_ratio: !ref <min_decode_ratio>
+    max_decode_ratio: !ref <max_decode_ratio>
+    beam_size: !ref <test_beam_size>
+    using_eos_threshold: True
+    length_normalization: True
+    ctc_weight: 0
+    lm_weight: 0
+
+
+modules:
+    compute_features: !ref <compute_features>
+    normalizer: !ref <normalizer>
+    pre_transformer: !ref <CNN>
+    Transformer: !ref <Transformer>
+    asr_model: !ref <st_model>
+    encoder: !ref <encoder>
+    decoder: !ref <decoder>
+
+
+log_softmax: !new:torch.nn.LogSoftmax
+    dim: -1
+
+
+
+# The pretrainer allows a mapping between pretrained files and instances that
+# are declared in the yaml.
+pretrainer: !new:speechbrain.utils.parameter_transfer.Pretrainer
+    loadables:
+        tokenizer: !ref <tokenizer>
+        st: !ref <st_model>
+        normalizer: !ref <normalizer>