Create wav file / inspect pti file

genwav.py

#!/usr/bin/env python3
import array
import math
import wave

audio = array.array('h')

for n in range(int(44100 / 4)):
    audio.append(int(32767 * math.sin(2 * math.pi * 440 * (n / 44100))))

with wave.open('test.wav', 'wb') as f:
    f.setnchannels(1)
    f.setsampwidth(2)
    f.setframerate(44100)
    f.writeframes(audio.tobytes())

inspectpti.py

#!/usr/bin/env python3
import pathlib
import wave

test_wav = pathlib.Path('./test.wav')  # file generated by genwav.py
test_pti = pathlib.Path('./test.pti')  # pti file as created by the Tracker from test.wav

with test_wav.open('rb') as f:
    test_wav_data = f.read()

with test_pti.open('rb') as f:
    test_pti_data = f.read()

WAV_HEADER_LENGTH = 44

test_wav_header = test_wav_data[0:WAV_HEADER_LENGTH]
test_wav_audio = test_wav_data[WAV_HEADER_LENGTH:]

PTI_HEADER_LENGTH = test_pti_data.index(test_wav_audio)  # 392

test_pti_header = test_pti_data[0:PTI_HEADER_LENGTH]
test_pti_audio = test_pti_data[PTI_HEADER_LENGTH]

print(test_pti_header)