Ejemplo n.º 1
0
    def _initialize(self):
        super(AutoEncoder, self).__init__()
        pre_params, enc_params, bn_params, dec_params = self.args

        # the "preprocessing"
        self.preprocess = PreProcess(pre_params, n_quant=dec_params['n_quant'])

        self.encoder = enc.Encoder(n_in=self.preprocess.mfcc.n_out,
                                   parent_rf=self.preprocess.rf,
                                   **enc_params)

        bn_type = bn_params['type']

        bn_extra = dict((k, v) for k, v in bn_params.items() if k != 'type')

        if bn_type == 'vqvae':
            self.bottleneck = bn.VQVAE(**bn_extra, n_in=enc_params['n_out'])
        elif bn_type == 'vae':
            self.bottleneck = bn.VAE(**bn_extra, n_in=enc_params['n_out'])
        elif bn_type == 'ae':
            self.bottleneck = bn.AE(**bn_extra, n_in=enc_params['n_out'])
        else:
            raise InvalidArgument

        self.decoder = dec.WaveNet(**dec_params,
                                   parent_rf=self.encoder.rf,
                                   n_lc_in=bn_params['n_out'])

        self.rf = self.decoder.rf
Ejemplo n.º 2
0
 def _initialize(self):
     super(MfccInverter, self).__init__()
     dec_params = self.init_args['dec_params']
     mi_params = self.init_args['mi_params']
     self.preprocess = wn.PreProcess(n_quant=dec_params['n_quant'])
     self.wavenet = wn.WaveNet(**dec_params,
                               parent_vc=None,
                               n_lc_in=mi_params['n_lc_in'])
Ejemplo n.º 3
0
    def _initialize(self):
        super(AutoEncoder, self).__init__()
        pre_params = self.init_args['pre_params']
        enc_params = self.init_args['enc_params']
        bn_params = self.init_args['bn_params']
        dec_params = self.init_args['dec_params']
        n_mel_chan = self.init_args['n_mel_chan']
        training = self.init_args['training']

        # the "preprocessing"
        self.preprocess = PreProcess(pre_params, n_quant=dec_params['n_quant'])

        self.encoder = enc.Encoder(n_in=n_mel_chan,
                                   parent_vc=None,
                                   **enc_params)

        bn_type = bn_params['type']
        bn_extra = dict((k, v) for k, v in bn_params.items() if k != 'type')

        # In each case, the objective function's 'forward' method takes the
        # same arguments.
        if bn_type == 'vqvae':
            self.bottleneck = vq_bn.VQ(**bn_extra, n_in=enc_params['n_out'])
            self.objective = vq_bn.VQLoss(self.bottleneck)

        elif bn_type == 'vqvae-ema':
            self.bottleneck = vqema_bn.VQEMA(**bn_extra,
                                             n_in=enc_params['n_out'],
                                             training=training)
            self.objective = vqema_bn.VQEMALoss(self.bottleneck)

        elif bn_type == 'vae':
            # mu and sigma members
            self.bottleneck = vae_bn.VAE(n_in=enc_params['n_out'],
                                         n_out=bn_params['n_out'])
            self.objective = vae_bn.SGVBLoss(self.bottleneck,
                                             free_nats=bn_params['free_nats'])

        elif bn_type == 'ae':
            self.bottleneck = ae_bn.AE(n_out=bn_extra['n_out'],
                                       n_in=enc_params['n_out'])
            self.objective = ae_bn.AELoss(self.bottleneck, 0.001)

        else:
            raise InvalidArgument(
                'bn_type must be one of "ae", "vae", or "vqvae"')

        self.bn_type = bn_type
        self.decoder = dec.WaveNet(**dec_params,
                                   parent_vc=self.encoder.vc['end'],
                                   n_lc_in=bn_params['n_out'])
        self.vc = self.decoder.vc
        self.decoder.post_init()
Ejemplo n.º 4
0
    def __init__(self, hps):
        super(MfccInverter, self).__init__()
        self.bn_type = 'none' 
        self.mfcc = mfcc.ProcessWav(
                sample_rate=hps.sample_rate, win_sz=hps.mfcc_win_sz,
                hop_sz=hps.mfcc_hop_sz, n_mels=hps.n_mels, n_mfcc=hps.n_mfcc)

        mfcc_vc = vconv.VirtualConv(filter_info=hps.mfcc_win_sz,
                stride=hps.mfcc_hop_sz, parent=None, name='MFCC')

        self.wavenet = wn.WaveNet(hps, parent_vc=mfcc_vc)
        self.objective = wn.RecLoss()
        self._init_geometry(hps.n_win_batch)
Ejemplo n.º 5
0
    def __init__(self, encoder_params, bn_params, decoder_params):
        super().__init__(self)  # Is this necessary?

        self.encoder = enc.Encoder(**encoder_params)

        bn_type = bn_params.pop('type')

        if bn_type == 'vqvae':
            self.bottleneck = bn.VQVAE(**bn_params)
        elif bn_type == 'vae':
            self.bottleneck = bn.VAE(**bn_params)
        elif bn_type == 'ae':
            self.bottleneck = bn.AE(**bn_params)
        else:
            raise InvalidArgument

        self.decoder = dec.WaveNet(**decoder_params)

        # Does the complete model need the loss function defined as well?
        self.loss = loss.CrossEntropyLoss()
Ejemplo n.º 6
0
    def _initialize(self):
        super(AutoEncoder, self).__init__()
        pre_params, enc_params, bn_params, dec_params, sam_per_slice = self.args

        # the "preprocessing"
        self.preprocess = PreProcess(pre_params, n_quant=dec_params['n_quant'])

        self.encoder = enc.Encoder(n_in=self.preprocess.mfcc.n_out,
                                   parent_rf=self.preprocess.rf,
                                   **enc_params)

        bn_type = bn_params['type']
        bn_extra = dict((k, v) for k, v in bn_params.items() if k != 'type')

        # In each case, the objective function's 'forward' method takes the
        # same arguments.
        if bn_type == 'vqvae':
            self.bottleneck = vq_bn.VQ(**bn_extra, n_in=enc_params['n_out'])
            self.objective = vq_bn.VQLoss(self.bottleneck)

        elif bn_type == 'vae':
            # mu and sigma members
            self.bottleneck = vae_bn.VAE(**bn_extra, n_in=enc_params['n_out'])
            self.objective = vae_bn.SGVBLoss(self.bottleneck)

        elif bn_type == 'ae':
            self.bottleneck = ae_bn.AE(**bn_extra, n_in=enc_params['n_out'])
            self.objective = torch.nn.CrossEntropyLoss()

        else:
            raise InvalidArgument(
                'bn_type must be one of "ae", "vae", or "vqvae"')

        self.bn_type = bn_type
        self.decoder = dec.WaveNet(**dec_params,
                                   parent_rf=self.encoder.rf,
                                   n_lc_in=bn_params['n_out'])
        self.rf = self.decoder.rf