def normalize_format_code(format_code)
      if format_code == :float
        [:float, 32]
      else
        sample_format, bits_per_sample = format_code.to_s.split("_")
        [sample_format.to_sym, bits_per_sample.to_i]
      end
    end
def normalize_format_code(format_code)
      if format_code == :float
        [:float, 32]
      else
        sample_format, bits_per_sample = format_code.to_s.split("_")
        [sample_format.to_sym, bits_per_sample.to_i]
      end
    end
Internal