KBPS Analyzer

Overiew

MP3 --> Spectral Analysis --> Cutoff Frequency --> Approximated Real Bitrate.

Reference Aritcle

Usage

With uv (Recommended)

Install uv Python manager by running:

# Linux / MacOS
curl -LsSf https://astral.sh/uv/install.sh | sh
# Windows
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"

Then run:

uv run --python 3.9 kbps-analyzer.py "path/to/folder/or/file"

With Python 3.9

pip install mutagen numpy librosa matplotlib tqdm rich
python kbps-analyzer.py "path/to/folder/or/file" --write

Notes

• Passing --write will write the analysed birtate to the file's comment tag in the following format:

  Comment tag: My existing comment -> ~128kbps My existing comment

• This method is not 100% accurate, and non-standard encoded comment tags might be overwritten/changed.