A simple audio processor(SAP) based on pydub and ffmpeg.
First, please download ffmpeg via http://ffmpeg.org/, install it and set up the environment variable（不熟悉的可以参考这个链接 https://zhuanlan.zhihu.com/p/324472015?utm_id=0）. You can try ffmpeg –version to check if ffmpeg is installed correctly.
| arg | default | example | choice | help |
|---|---|---|---|---|
| --type | merge | --type=merge | merge, cut | - |
| --files | - | -f c.mp3 d.mp3 | merge, cut | The lists of audio files that needs to be cut or merged. If --type=cut, number of files must be 1. For exmample, -f a.mp3 b.mp3 |
| --time_intervals | merge | -t 0 13 51 -1 | merge, cut | Only used when --type=cut. The time period that needs to be cut. Unit: second. For example, -t 0 14 17 28 means [0, 14] merged on [17, 28]. By the way, -1 means the end. |
| --output_type | mp3 | -o mp3 | - | 'mp3', 'wav', 'raw', 'ogg' or other ffmpeg/avconv supported files |
Some examples:
python sap.py --type=merge -f c.mp3 d.mp3
python sap.py --type=cut -f a.m4a -t 0 13 16 20
python sap.py --type=cut -f a.m4a -t 0 13 51 -1Adjust the audio to be merged so that the loudness is consistent.