I love batch processing (like probably everyone else) and I've created an app out of it, which I've made available to the public as a freeware:
BatchTrimmer
BatchTrimmer is a freeware desktop application for Windows that allows batch processing of audio files. It is designed to streamline repetitive editing tasks and provide a simple, efficient workflow.
Remove the silence at the beginning and end of your recordings. You can fix the clicks that occure at the cut points and/or shape the sounds with fade-in and fade-out, and you can normalize the file level in the same editing step.
Thanks to its wide range of target values for Bit-depth and Sample-Rate down to 8 bit and 4 kHz, BatchTrimmer is also very well suited to quickly converting many files into a characteristic, retro-like LOFI-sound.
The application is a one-file .exe so no installation is required and the program can be run from any media.
- Bit depth: "as source", 8-Bit, 12-Bit, 16‑bit, 24‑bit, 32‑bit float
- Sample rate: "as source", 4 - 8 - 11.25 - 16 - 22.50 - 32 - 44.1 - 48 - 96 kHz
- Save the files into a subfolder of the source folder or alternativerly a custom output folder
- Filename: "as source file" or additional filename suffix
- Overwrite option
Available via GitHub: https://github.com/danielkraeme76/BatchTrimmer
Have fun. I hope it helps