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:
"We've got to do something where we can get more value out of space and the lunar surface than we put into it. And that's how you really ignite an economy, and that's how everything we want to do in space is not perpetually dependent on taxpayers."
。关于这个话题，下载安装 谷歌浏览器 开启极速安全的 上网之旅。提供了深入分析
（三）国务院财政、税务主管部门规定的其他情形。
第一百三十七条 公安机关应当履行同步录音录像运行安全管理职责，完善技术措施，定期维护设施设备，保障录音录像设备运行连续、稳定、安全。