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IndexTTS
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Index-TTS
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dataset:
    bpe_model: checkpoints/bpe.model
    sample_rate: 24000
    squeeze: false
    mel:
        sample_rate: 24000
        n_fft: 1024
        hop_length: 256
        win_length: 1024
        n_mels: 100
        mel_fmin: 0
        normalize: false

gpt:
    model_dim: 1024
    max_mel_tokens: 605
    max_text_tokens: 402
    heads: 16
    use_mel_codes_as_input: true
    mel_length_compression: 1024
    layers: 20
    number_text_tokens: 12000
    number_mel_codes: 8194
    start_mel_token: 8192
    stop_mel_token: 8193
    start_text_token: 0
    stop_text_token: 1
    train_solo_embeddings: false
    condition_type: "conformer_perceiver"
    condition_module:
        output_size: 512
        linear_units: 2048
        attention_heads: 8
        num_blocks: 6
        input_layer: "conv2d2"
        perceiver_mult: 2

vqvae:
    channels: 100
    num_tokens: 8192
    hidden_dim: 512
    num_resnet_blocks: 3
    codebook_dim: 512
    num_layers: 2
    positional_dims: 1
    kernel_size: 3
    smooth_l1_loss: true
    use_transposed_convs: false

bigvgan:
    adam_b1: 0.8
    adam_b2: 0.99
    lr_decay: 0.999998
    seed: 1234

    resblock: "1"
    upsample_rates: [4,4,4,4,2,2]
    upsample_kernel_sizes: [8,8,4,4,4,4]
    upsample_initial_channel: 1536
    resblock_kernel_sizes: [3,7,11]
    resblock_dilation_sizes: [[1,3,5], [1,3,5], [1,3,5]]
    feat_upsample: false
    speaker_embedding_dim: 512
    cond_d_vector_in_each_upsampling_layer: true

    gpt_dim: 1024

    activation: "snakebeta"
    snake_logscale: true

    use_cqtd_instead_of_mrd: true
    cqtd_filters: 128
    cqtd_max_filters: 1024
    cqtd_filters_scale: 1
    cqtd_dilations: [1, 2, 4]
    cqtd_hop_lengths: [512, 256, 256]
    cqtd_n_octaves: [9, 9, 9]
    cqtd_bins_per_octaves: [24, 36, 48]

    resolutions: [[1024, 120, 600], [2048, 240, 1200], [512, 50, 240]]
    mpd_reshapes: [2, 3, 5, 7, 11]
    use_spectral_norm: false
    discriminator_channel_mult: 1

    use_multiscale_melloss: true
    lambda_melloss: 15

    clip_grad_norm: 1000

    segment_size: 16384
    num_mels: 100
    num_freq: 1025
    n_fft: 1024
    hop_size: 256
    win_size: 1024

    sampling_rate: 24000

    fmin: 0
    fmax: null
    fmax_for_loss: null
    mel_type: "pytorch"

    num_workers: 2
    dist_config:
        dist_backend: "nccl"
        dist_url: "tcp://localhost:54321"
        world_size: 1

dvae_checkpoint: dvae.pth
gpt_checkpoint: gpt.pth
bigvgan_checkpoint: bigvgan_generator.pth