generate_features.py 文件源码

def h5features_feats2stackedfeats(fb_h5f, stackedfb_h5f, nframes=7):
    """Create stacked features version of h5features file

    Parameters:
    ----------
    fb_h5f: str. h5features file name
    stackedfb_h5f: str, h5features output name
    """
    dset_name = h5py.File(fb_h5f).keys()[0]
    files = h5py.File(fb_h5f)[dset_name]['items']
    def aux(f):
        return stack_fbanks(h5features.read(fb_h5f, from_item=f)[1][f],
                            nframes=nframes)
    def time_f(f):
        return h5features.read(fb_h5f, from_item=f)[0][f]
    h5features_compute(files, stackedfb_h5f, featfunc=aux,
                      timefunc=time_f)