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一﹒當來源是單音軌的 MP4 檔案 | |
Video.mp4 視訊檔 (原始視訊、音訊未消音) | |
AudioL.aac 伴唱檔 (立體聲) | |
AudioR.aac 人聲檔 (立體聲) | |
1.將視訊檔、伴唱檔、人聲檔合成為左伴右唱的 MP4 檔案 (視訊採複製、音訊縮混重編碼) | |
====================================================================================== | |
ffmpeg -i "Video.mp4" -i "AudioL.aac" -i "AudioR.aac" -map 0:v -c:v copy -filter_complex "[1:a][2:a]amerge=inputs=2,pan=stereo|c0<c0+c1|c1<c2+c3[a]" -map "[a]" -c:a aac -ab 256K -ar 48000 "output.mp4" | |
2.人聲聲道沿用視訊檔,將視訊檔、伴唱檔合成為左伴右唱的 MP4 檔案 (視訊採複製、音訊縮混重編碼) | |
====================================================================================== | |
ffmpeg -i "Video.mp4" -i "AudioL.aac" -map 0:v -c:v copy -filter_complex "[1:a][0:a]amerge=inputs=2,pan=stereo|c0<c0+c1|c1<c2+c3[a]" -map "[a]" -c:a aac -ab 256K -ar 48000 "output.mp4" | |
3.將視訊檔、伴唱檔、人聲檔合成為音軌1人聲、音軌2伴唱的 MKV 檔案 (視訊採複製、音訊重編碼) | |
====================================================================================== | |
ffmpeg -i "Video.mp4" -i "AudioL.aac" -i "AudioR.aac" -map 0:v -c:v copy -map 2:a -map 1:a -c:a aac -ab 256K -ar 48000 "output.mkv" | |
4.人聲音軌沿用視訊檔,將視訊檔、伴唱檔合成為音軌1人聲、音軌2伴唱的 MKV 檔案 (視訊採複製、音訊重編碼) | |
====================================================================================== | |
ffmpeg -i "Video.mp4" -i "AudioL.aac" -map 0:v -c:v copy -map 0:a -map 1:a -c:a aac -ab 256K -ar 48000 "output.mkv" | |
5.人聲音軌沿用視訊檔,將視訊檔、伴唱檔合成為音軌1人聲、音軌2伴唱的 DVD 檔案 (視訊重編碼、音訊重編碼) | |
====================================================================================== | |
ffmpeg -i "Video.mp4" -i "AudioL.aac" -map 0:v -map 0:a -map 1:a -target ntsc-dvd "output.mpg" | |
6.人聲聲道沿用視訊檔,將視訊檔、伴唱檔合成為左伴右唱的 VCD 檔案 (視訊重編碼、音訊重編碼) | |
====================================================================================== | |
ffmpeg -i "Video.mp4" -i "AudioL.aac" -map 0:v -filter_complex "[1:a][0:a]amerge=inputs=2,pan=stereo|c0<c0+c1|c1<c2+c3[a]" -map "[a]" -target ntsc-vcd "output.mpg" |
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