code: def generate_reverberation_opts(
      room_dict,  # the room dictionary, please refer to make_room_dict() for the format
      pointsource_noise_list,  # the point source noise list
      iso_noise_dict,  # the isotropic noise dictionary
      foreground_snrs,  # the SNR for adding the foreground noises
      background_snrs,  # the SNR for adding the background noises
      speech_rvb_probability,  # Probability of reverberating a speech signal
      isotropic_noise_addition_probability,  # Probability of adding isotropic noises
      pointsource_noise_addition_probability,  # Probability of adding point-source noises
      speech_dur,  # duration of the recording
      max_noises_recording,  # Maximum number of point-source noises that can be added
  ):
      """This function randomly decides whether to reverberate, and sample a RIR if it does
      It also decides whether to add the appropriate noises
      This function return the string of options to the binary wav-reverberate
      """
      reverberate_opts = ""
      noise_addition_descriptor = {
          "noise_io": [],
          "start_times": [],
          "snrs": [],
      }
      # Randomly select the room
      # Here the room probability is a sum of the probabilities of the RIRs recorded in the room.
      room = pick_item_with_probability(room_dict)
      # Randomly select the RIR in the room
      speech_rir = pick_item_with_probability(room.rir_list)
      if random.random() < speech_rvb_probability:
          # pick the RIR to reverberate the speech
          reverberate_opts += """--impulse-response="{0}" """.format(
              speech_rir.rir_rspecifier
          )
  
      rir_iso_noise_list = []
      if speech_rir.room_id in iso_noise_dict:
          rir_iso_noise_list = iso_noise_dict[speech_rir.room_id]
      # Add the corresponding isotropic noise associated with the selected RIR
      if (
          len(rir_iso_noise_list) > 0
          and random.random() < isotropic_noise_addition_probability
      ):
          isotropic_noise = pick_item_with_probability(
              rir_iso_noise_list
          )
          # extend the isotropic noise to the length of the speech waveform
          # check if the rspecifier is a pipe or not
          if len(isotropic_noise.noise_rspecifier.split()) == 1:
              noise_addition_descriptor["noise_io"].append(
                  "wav-reverberate --duration={1} {0} - |".format(
                      isotropic_noise.noise_rspecifier, speech_dur
                  )
              )
          else:
              noise_addition_descriptor["noise_io"].append(
                  "{0} wav-reverberate --duration={1} - - |".format(
                      isotropic_noise.noise_rspecifier, speech_dur
                  )
              )
          noise_addition_descriptor["start_times"].append(0)
          noise_addition_descriptor["snrs"].append(
              next(background_snrs)
          )
  
      noise_addition_descriptor = add_point_source_noise(
          noise_addition_descriptor,  # descriptor to store the information of the noise added
          room,  # the room selected
          pointsource_noise_list,  # the point source noise list
          pointsource_noise_addition_probability,  # Probability of adding point-source noises
          foreground_snrs,  # the SNR for adding the foreground noises
          background_snrs,  # the SNR for adding the background noises
          speech_dur,  # duration of the recording
          max_noises_recording,  # Maximum number of point-source noises that can be added
      )
  
      assert len(noise_addition_descriptor["noise_io"]) == len(
          noise_addition_descriptor["start_times"]
      )
      assert len(noise_addition_descriptor["noise_io"]) == len(
          noise_addition_descriptor["snrs"]
      )
      if len(noise_addition_descriptor["noise_io"]) > 0:
          reverberate_opts += "--additive-signals='{0}' ".format(
              ",".join(noise_addition_descriptor["noise_io"])
          )
          reverberate_opts += "--start-times='{0}' ".format(
              ",".join(
                  [
                      str(x)
                      for x in noise_addition_descriptor["start_times"]
                  ]
              )
          )
          reverberate_opts += "--snrs='{0}' ".format(
              ",".join(
                  [str(x) for x in noise_addition_descriptor["snrs"]]
              )
          )
  
      return reverberate_opts
  
imports: import argparse, shlex, glob, math, os, random, sys, warnings, copy, imp, ast
label_desc: Use image node_id 8 for calling a global function with example usage: generate_reverberation_opts(room_dict, pointsource_noise_list, iso_noise_dict, foreground_snrs, background_snrs, speech_rvb_probability, isotropic_noise_addition_probability, pointsource_noise_addition_probability, speech_dur, max_noises_recording) and returns: reverberate_opts