Ejemplo n.º 1
0
def test_save_and_load_convtasnet(fb):
    model1 = ConvTasNet(n_src=2,
                        n_repeats=2,
                        n_blocks=2,
                        bn_chan=16,
                        hid_chan=4,
                        skip_chan=8,
                        n_filters=32,
                        fb_name=fb)
    test_input = torch.randn(1, 800)
    model_conf = model1.serialize()

    reconstructed_model = ConvTasNet.from_pretrained(model_conf)
    assert_allclose(model1.separate(test_input),
                    reconstructed_model(test_input))
def main(conf):

    model_path = os.path.join(conf["exp_dir"], "best_model.pth")
    model = ConvTasNet.from_pretrained(model_path)
    # Handle device placement
    if conf["use_gpu"]:
        model.cuda()
    model_device = next(model.parameters()).device

    torch.no_grad().__enter__()

    alto, fs = sf.read(
        '/home/pc2752/share//Darius/data/satb_dst/test_dcs/raw_audio/DCS_TPQuartetA/DCS_TPQuartetA_alto_1.wav'
    )

    bass, fs = sf.read(
        '/home/pc2752/share//Darius/data/satb_dst/test_dcs/raw_audio/DCS_TPQuartetA/DCS_TPQuartetA_bass_1.wav'
    )

    soprano, fs = sf.read(
        '/home/pc2752/share//Darius/data/satb_dst/test_dcs/raw_audio/DCS_TPQuartetA/DCS_TPQuartetA_soprano_1.wav'
    )

    tenor, fs = sf.read(
        '/home/pc2752/share//Darius/data/satb_dst/test_dcs/raw_audio/DCS_TPQuartetA/DCS_TPQuartetA_tenor_1.wav'
    )

    mix, fs = sf.read(
        '/home/pc2752/share//Darius/Wave-U-Net/test_set_mixes/dcs/DCS_TPQuartetA_mix.wav'
    )

    mix = torch.from_numpy(mix).type(torch.FloatTensor)

    outputs = model.float()(mix)

    sdr, sir, sar, perm = separation.bss_eval_sources(
        np.array([soprano, alto, tenor, bass]),
        outputs[:, :soprano.shape[0]].detach().numpy())

    print("SDR: {}\nSIR: {}\nSAR: {}".format(sdr, sir, sar))

    sf.write('./DCS_TPQuartetA_Soprano.wav', outputs[0], fs)

    sf.write('./DCS_TPQuartetA_Alto.wav', outputs[1], fs)

    sf.write('./DCS_TPQuartetA_Tenor.wav', outputs[2], fs)

    sf.write('./DCS_TPQuartetA_Bass.wav', outputs[3], fs)
Ejemplo n.º 3
0
def convtasnet(conf):

    sys.path.append('./asteroid')
    from asteroid.models import ConvTasNet
    from asteroid.utils import tensors_to_device
    from asteroid.models import save_publishable

    model_path = './models/convtasnet_usecase2.pth'
    model = ConvTasNet.from_pretrained(model_path)
    # Handle device placement
    if conf["use_gpu"]:
        model.cuda()
    model_device = next(model.parameters()).device

    torch.no_grad().__enter__()

    mix, fs = sf.read(conf["input_path"])

    mix = torch.from_numpy(mix).type(torch.FloatTensor)

    outputs = model.float()(mix)

    return outputs
Ejemplo n.º 4
0
def main(conf):
    model_path = os.path.join(conf["exp_dir"], "best_model.pth")
    model = ConvTasNet.from_pretrained(model_path)
    # Handle device placement
    if conf["use_gpu"]:
        model.cuda()
    model_device = next(model.parameters()).device
    test_set = SourceFolderDataset(
        os.path.join(conf["exp_dir"], "json/"),
        conf["wav_dir"],
        conf["n_src"],
        conf["sample_rate"],
        conf["batch_size"],
    )  # Uses all segment length
    # Used to reorder sources only
    loss_func = PITLossWrapper(pairwise_neg_sisdr, pit_from="pw_mtx")

    # Randomly choose the indexes of sentences to save.
    ex_save_dir = os.path.join(conf["exp_dir"], "examples/")
    if conf["n_save_ex"] == -1:
        conf["n_save_ex"] = len(test_set)
    save_idx = random.sample(range(len(test_set)), conf["n_save_ex"])
    series_list = []
    torch.no_grad().__enter__()
    for idx in tqdm(range(len(test_set))):
        # Forward the network on the mixture.
        mix, sources = tensors_to_device(test_set[idx], device=model_device)
        mix = mix.unsqueeze(0)
        sources = sources.unsqueeze(0)
        est_sources = model(mix)
        #print(test_set[idx])
        #print(est_sources.shape, sources.shape, mix.shape, len(test_set))
        loss, reordered_sources = loss_func(est_sources, sources, return_est=True)
        #mix_np = mix.squeeze(0).cpu().data.numpy()
        mix_np = mix.cpu().data.numpy()
        sources_np = sources.squeeze(0).cpu().data.numpy()
        est_sources_np = reordered_sources.squeeze(0).cpu().data.numpy()
        utt_metrics = get_metrics(
            mix_np,
            sources_np,
            est_sources_np,
            sample_rate=conf["sample_rate"],
            metrics_list=compute_metrics,
        )
        utt_metrics["mix_path"] = test_set.mix[idx][0]
        series_list.append(pd.Series(utt_metrics))
        
        # Save some examples in a folder. Wav files and metrics as text.
        if idx in save_idx:
            local_save_dir = os.path.join(ex_save_dir, "ex_{}/".format(idx))
            os.makedirs(local_save_dir, exist_ok=True)
            #print(mix_np.shape)
            sf.write(local_save_dir + "mixture.wav", np.swapaxes(mix_np,0,1), conf["sample_rate"])
            # Loop over the sources and estimates
            for src_idx, src in enumerate(sources_np):
                sf.write(local_save_dir + "s{}.wav".format(src_idx + 1), src, conf["sample_rate"])
            for src_idx, est_src in enumerate(est_sources_np):
                est_src *= np.max(np.abs(mix_np)) / np.max(np.abs(est_src))
                sf.write(
                    local_save_dir + "s{}_estimate.wav".format(src_idx + 1),
                    est_src,
                    conf["sample_rate"],
                )
            # Write local metrics to the example folder.
            with open(local_save_dir + "metrics.json", "w") as f:
                json.dump(utt_metrics, f, indent=0)

    # Save all metrics to the experiment folder.
    all_metrics_df = pd.DataFrame(series_list)
    all_metrics_df.to_csv(os.path.join(conf["exp_dir"], "all_metrics.csv"))

    # Print and save summary metrics
    final_results = {}
    for metric_name in compute_metrics:
        input_metric_name = "input_" + metric_name
        ldf = all_metrics_df[metric_name] - all_metrics_df[input_metric_name]
        final_results[metric_name] = all_metrics_df[metric_name].mean()
        final_results[metric_name + "_imp"] = ldf.mean()
    print("Overall metrics :")
    pprint(final_results)
    with open(os.path.join(conf["exp_dir"], "final_metrics.json"), "w") as f:
        json.dump(final_results, f, indent=0)

    model_dict = torch.load(model_path, map_location="cpu")
    os.makedirs(os.path.join(conf["exp_dir"], "publish_dir"), exist_ok=True)
    publishable = save_publishable(
        os.path.join(conf["exp_dir"], "publish_dir"),
        model_dict,
        metrics=final_results,
        train_conf=train_conf,
    )
Ejemplo n.º 5
0
def main(conf):
    model_path = os.path.join(conf['exp_dir'], 'best_model.pth')
    model = ConvTasNet.from_pretrained(model_path)
    # Handle device placement
    if conf['use_gpu']:
        model.cuda()
    model_device = next(model.parameters()).device
    test_set = WhamDataset(conf['test_dir'],
                           conf['task'],
                           sample_rate=conf['sample_rate'],
                           nondefault_nsrc=model.masker.n_src,
                           segment=None)  # Uses all segment length
    # Used to reorder sources only
    loss_func = PITLossWrapper(pairwise_neg_sisdr, pit_from='pw_mtx')

    # Randomly choose the indexes of sentences to save.
    ex_save_dir = os.path.join(conf['exp_dir'], 'examples/')
    if conf['n_save_ex'] == -1:
        conf['n_save_ex'] = len(test_set)
    save_idx = random.sample(range(len(test_set)), conf['n_save_ex'])
    series_list = []
    torch.no_grad().__enter__()
    for idx in tqdm(range(len(test_set))):
        # Forward the network on the mixture.
        mix, sources = tensors_to_device(test_set[idx], device=model_device)
        est_sources = model(mix[None, None])
        loss, reordered_sources = loss_func(est_sources,
                                            sources[None],
                                            return_est=True)
        mix_np = mix[None].cpu().data.numpy()
        sources_np = sources.cpu().data.numpy()
        est_sources_np = reordered_sources.squeeze(0).cpu().data.numpy()
        utt_metrics = get_metrics(mix_np,
                                  sources_np,
                                  est_sources_np,
                                  sample_rate=conf['sample_rate'],
                                  metrics_list=compute_metrics)
        utt_metrics['mix_path'] = test_set.mix[idx][0]
        series_list.append(pd.Series(utt_metrics))

        # Save some examples in a folder. Wav files and metrics as text.
        if idx in save_idx:
            local_save_dir = os.path.join(ex_save_dir, 'ex_{}/'.format(idx))
            os.makedirs(local_save_dir, exist_ok=True)
            sf.write(local_save_dir + "mixture.wav", mix_np[0],
                     conf['sample_rate'])
            # Loop over the sources and estimates
            for src_idx, src in enumerate(sources_np):
                sf.write(local_save_dir + "s{}.wav".format(src_idx + 1), src,
                         conf['sample_rate'])
            for src_idx, est_src in enumerate(est_sources_np):
                est_src *= np.max(np.abs(mix_np)) / np.max(np.abs(est_src))
                sf.write(
                    local_save_dir + "s{}_estimate.wav".format(src_idx + 1),
                    est_src, conf['sample_rate'])
            # Write local metrics to the example folder.
            with open(local_save_dir + 'metrics.json', 'w') as f:
                json.dump(utt_metrics, f, indent=0)

    # Save all metrics to the experiment folder.
    all_metrics_df = pd.DataFrame(series_list)
    all_metrics_df.to_csv(os.path.join(conf['exp_dir'], 'all_metrics.csv'))

    # Print and save summary metrics
    final_results = {}
    for metric_name in compute_metrics:
        input_metric_name = 'input_' + metric_name
        ldf = all_metrics_df[metric_name] - all_metrics_df[input_metric_name]
        final_results[metric_name] = all_metrics_df[metric_name].mean()
        final_results[metric_name + '_imp'] = ldf.mean()
    print('Overall metrics :')
    pprint(final_results)
    with open(os.path.join(conf['exp_dir'], 'final_metrics.json'), 'w') as f:
        json.dump(final_results, f, indent=0)

    model_dict = torch.load(model_path, map_location='cpu')
    os.makedirs(os.path.join(conf['exp_dir'], 'publish_dir'), exist_ok=True)
    publishable = save_publishable(os.path.join(conf['exp_dir'],
                                                'publish_dir'),
                                   model_dict,
                                   metrics=final_results,
                                   train_conf=train_conf)
Ejemplo n.º 6
0
def main(conf):
    model_path = os.path.join(conf['exp_dir'], 'best_model.pth')
    model = ConvTasNet.from_pretrained(model_path)
    # Handle device placement
    if conf['use_gpu']:
        model.cuda()
    model_device = next(model.parameters()).device

    # get data for evaluation - this should change in the future to work on real test data the was not used for training
    dataset = SeparationDataset(combination_list_path=os.path.join(
        conf['exp_dir'], 'combination_list.pkl'))
    n_val = int(
        len(dataset) * conf['train_conf']['data']
        ['fraction_of_examples_to_use_for_validation'])
    train_set, val_set = random_split(dataset,
                                      [len(dataset) - n_val, n_val])  # noqa

    # test_set = val_set
    test_set = train_set
    # Used to reorder sources only
    loss_func = PITLossWrapper(pairwise_neg_sisdr, pit_from='pw_mtx')

    # Randomly choose the indexes of sentences to save.
    ex_save_dir = os.path.join(conf['exp_dir'], 'examples/')
    if conf['n_save_ex'] == -1:
        conf['n_save_ex'] = len(test_set)
    save_idx = random.sample(range(len(test_set)), conf['n_save_ex'])
    # series_list = []
    torch.no_grad().__enter__()
    for idx in tqdm(range(len(test_set))):
        # Forward the network on the mixture.
        mix, sources = tensors_to_device(test_set[idx], device=model_device)
        est_sources = model(mix[None, None])
        loss, reordered_sources = loss_func(est_sources,
                                            sources[None],
                                            return_est=True)  # noqa
        mix_np = to_complex(mix[None].cpu().data.numpy())
        sources_np = to_complex(sources.cpu().data.numpy())
        est_sources_np = to_complex(
            reordered_sources.squeeze(0).cpu().data.numpy())
        # utt_metrics = get_metrics(mix_np, sources_np, est_sources_np,
        #                           sample_rate=conf['sample_rate'],
        #                           metrics_list=compute_metrics)
        # utt_metrics['mix_path'] = test_set.mix[idx][0]
        # series_list.append(pd.Series(utt_metrics))

        # Save some examples in a folder. Wav files and metrics as text.
        if idx in save_idx:
            local_save_dir = os.path.join(ex_save_dir, 'ex_{}/'.format(idx))
            os.makedirs(local_save_dir, exist_ok=True)
            iq_data = mix_np[0]
            ax = plot_spectogram(iq_data, scale=False, show_plot=False)
            ax.figure.savefig(local_save_dir + 'mixture.png')
            # Loop over the sources and estimates
            for src_idx, src in enumerate(sources_np):
                iq_data = src
                ax = plot_spectogram(iq_data, scale=False, show_plot=False)
                ax.figure.savefig(local_save_dir +
                                  "s{}.png".format(src_idx + 1))
            for src_idx, est_src in enumerate(est_sources_np):
                # est_src *= np.max(np.abs(mix_np))/np.max(np.abs(est_src))
                iq_data = np.reshape(est_src, (32, 128)).T
                ax = plot_spectogram(iq_data, scale=False, show_plot=False)
                ax.figure.savefig(local_save_dir +
                                  "s{}_estimate.png".format(src_idx + 1))