There is a minor artefact in the final file. The stitched .m4a sometimes contains silent padding at the start or end from incomplete chunks at buffer boundaries. A quick ffmpeg pass fixes it cleanly:
Systematic scaling, found phase transition at d=16
，详情可参考heLLoword翻译官方下载
html = self.http_client.get(current_url)
Fujifilm Instax Mini Evo