Audio.FLTPval of_audio : 
  src:t ->
  src_offset:int ->
  dst:
    (float, Stdlib.Bigarray.float32_elt, Stdlib.Bigarray.c_layout)
      Stdlib.Bigarray.Array1.t ->
  dst_offset:int ->
  len:int ->
  stride:int ->
  unitval to_audio : 
  src:
    (float, Stdlib.Bigarray.float32_elt, Stdlib.Bigarray.c_layout)
      Stdlib.Bigarray.Array1.t ->
  src_offset:int ->
  dst:t ->
  dst_offset:int ->
  len:int ->
  stride:int ->
  unit