code: def add_timing_signal_1d(x, min_timescale=1.0, max_timescale=1.0e4):
      b, channels, length = x.size()
      signal = get_timing_signal_1d(
          length, channels, min_timescale, max_timescale
      )
      return x + signal.to(dtype=x.dtype, device=x.device)
  
imports: import math
  import numpy
  import torch
  from torch import nn
  from torch.nn import functional
label_desc: Use image node_id 12 for calling a global function with example usage: add_timing_signal_1d(x, min_timescale, max_timescale) and returns: unknown