text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_233830_1 (channels VARCHAR, soundfield_type VARCHAR, height_order VARCHAR)
  ### Question:
  If the height order is 1 and the soundfield type is mixed-order, what are all the channels?
  ### Answer:
  SELECT channels FROM table_233830_1 WHERE soundfield_type = "mixed-order" AND height_order = 1