mac 查看音频信息

使用 mac 自带 afinfo 查看音频信息

命令行信息

afinfo ./S05.mp3
1

结果：

afinfo /Volumes/T7/zyb_T7/shizi_words/bundles/bundle_0123/audio/play/S05.mp3            
File:           /Volumes/T7/zyb_T7/shizi_words/bundles/bundle_0123/audio/play/S05.mp3
File type ID:   MPG3
Num Tracks:     1
----
Data format:     2 ch,  44100 Hz, '.mp3' (0x00000000) 0 bits/channel, 0 bytes/packet, 1152 frames/packet, 0 bytes/frame
                no channel layout.
estimated duration: 1.641938 sec
audio bytes: 26271
audio packets: 63
bit rate: 128000 bits per second
packet size upper bound: 1052
maximum packet size: 417
audio data file offset: 0
optimized
----

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筛选信息

afinfo ./S05.mp3 | grep duration
1

结果

其余参数：