code: def test_8svx(h, f):
      """8SVX file"""
      if not h.startswith(b"FORM") or h[8:12] != b"8SVX":
          return None
      # Should decode it to get #channels -- assume always 1
      return "8svx", 0, 1, 0, 8
  
file_path: catboost/contrib/tools/python3/src/Lib/sndhdr.py
imports: import warnings
  from collections import namedtuple
label_desc: Use image node_id 8 for calling a global function with example usage: test_8svx(h, f) and returns: str,  int,  int,  int,  int, None