WAV Header Streamed as Audio Data

WAV_HEADER_BYTES = 44  # Standard WAV header size to strip

def strip_wav_header(raw: bytes) -> bytes:
    """If the file is WAV, drop the 44-byte header and keep only raw PCM bytes."""
    if len(raw) >= 12 and raw[:4] == b"RIFF" and raw[8:12] == b"WAVE":
        return raw[WAV_HEADER_BYTES:]
    return raw

const WAV_HEADER_BYTES = 44; // Standard WAV header size to strip

/** If the file is WAV, drop the 44-byte header and keep only raw PCM bytes. */
function stripWavHeader(buf: Uint8Array): Uint8Array {
  if (
    buf.length >= 12 &&
    buf[0] === 0x52 &&
    buf[1] === 0x49 &&
    buf[2] === 0x46 &&
    buf[3] === 0x46 &&
    buf[8] === 0x57 &&
    buf[9] === 0x41 &&
    buf[10] === 0x56 &&
    buf[11] === 0x45
  ) {
    return buf.subarray(WAV_HEADER_BYTES);
  }
  return buf;
}