class_docstr: Wav encoder based on aubio
class_docstr_tok: ["Wav","encoder","based","on","aubio"]
code: def file_extension():
      return "wav"
  
file_path: TimeSide/timeside/plugins/encoder/aubio_wav.py
imports: from timeside.core import implements, interfacedoc
  from timeside.core.aubio_encoder import AubioEncoder
  from timeside.core.api import IEncoder
label_desc: Use image node_id 5 for calling the WavEncoder obj's underlying member method code with example usage: obj.file_extension() and returns: str