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ffmpeg之volumedetect

2022-06-22 08:45:00 【EthanChou2020】

制作10K_0db信号

Audacity

分析

$ ffmpeg.exe -hide_banner -i [email protected] -af volumedetect -f null /dev/null
[Parsed_volumedetect_0 @ 000001a550612040] n_samples: 23040000
[Parsed_volumedetect_0 @ 000001a550612040] mean_volume: -3.0 dB
[Parsed_volumedetect_0 @ 000001a550612040] max_volume: 0.0 dB
[Parsed_volumedetect_0 @ 000001a550612040] histogram_0db: 6960000