ffmpeg -i file.mp3 -lavfi showspectrumpic=s=1200x600:mode=combined:color=viridis output.png这样就生成了 file.mp3 这个文件的频谱图，分辨率是 1200x600，生成的图片名字叫 output.png，使用的配色方案是 viridis。
怎么看出来的？有网友发现这张图片细看非常拙劣，虽然建筑看起来被炸毁了，但周围停放的车辆位置竟然和一年前一模一样；更离谱的是，所谓「爆炸后」的光照阴影角度，跟一年前那张晴朗日子的图分毫不差。
，详情可参考新收录的资料
actual_bloom_filter |= 1ULL 18) & mask);。业内人士推荐新收录的资料作为进阶阅读
PhysicalImpression86。业内人士推荐PDF资料作为进阶阅读
The image comes from a 1997 episode of the Pokémon anime, but it didn't become a viral reaction image until 2018, according to Know Your Meme, when fans began pairing Pikachu’s blank, open-mouthed stare with captions describing obviously avoidable outcomes. It quickly became a universal punchline, transcending Pokémon entirely. Today, Surprised Pikachu isn't just a Pokémon meme. It's internet shorthand.