just use: soxi <filename> or sox –i <filename> to produce output such as: Input File : ‘final.flac’ Channels : 4 Sample Rate : 44100 Precision : 16-bit Duration : 00:00:11.48 = 506179 samples = 860.849 CDDA sectors File Size : 2.44M Bit Rate : 1.70M Sample Encoding: 16-bit FLAC Comment : ‘Comment=Processed by SoX’ The … Read more
The syntax is sox input output trim <start> <duration> e.g. sox input.wav output.wav trim 0 00:35 will output the first 35 seconds into output.wav. (you can know what the length is using sox input -n stat) From the SoX documentation on the trim command: Cuts portions out of the audio. Any number of positions may … Read more
There is a better way: soxi -D out.wav
soxi -D filename soxi -D * Soxi queries metadata of audio files; D is the duration option. It supports globbing. Soxi’s big brother sox does command-line audio processing.