rg.de/people/ronneber/u-net.  UNet1DModel  class diffusers.UNet1DModel  < source > ( sample_size: int = 65536 sample_rate: Optional = None in_channels: int = 2 out_channels: int = 2 extra_in_channels: int = 0 time_embedding_type: str = 'fourier' flip_sin_to_cos: bool = True use_timestep_embedding: bool = False freq_shift: float = 0.0 down_block_types: Tuple = ('DownBlock1DNoSkip', 'DownBlock1D', 'AttnDownBlock1D') up_block_types: Tuple = ('Attn