JiWER
JiWER is a simple and fast python package to evaluate an automatic speech recognition system. It supports the following measures:
- word error rate (WER)
- match error rate (MER)
- word information lost (WIL)
- word information preserved (WIP)
- character error rate (CER)
These measures are computed with the use of the minimum-edit distance between one or more reference and hypothesis sentences. The minimum-edit distance is calculated using RapidFuzz, which uses C++ under the hood, and is therefore faster than a pure python implementation.
Documentation
For further info, see the documentation at jitsi.github.io/jiwer.
Installation
You should be able to install this package using poetry:
$ poetry add jiwer
Or, if you prefer old-fashioned pip and you're using Python >= 3.7:
$ pip install jiwer
Usage
The most simple use-case is computing the word error rate between two strings:
from jiwer import wer
reference = "hello world"
hypothesis = "hello duck"
error = wer(reference, hypothesis)
Licence
The jiwer package is released under the Apache License, Version 2.0 licence by 8x8.
For further information, see LICENCE.
Reference
For a comparison between WER, MER and WIL, see:
Morris, Andrew & Maier, Viktoria & Green, Phil. (2004). From WER and RIL to MER and WIL: improved evaluation measures for connected speech recognition.
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Metadata
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Release files for jiwer 3.0.5
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Source distribution (sdist)
| File | Size | Uploaded | |
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| jiwer-3.0.5.tar.gz | 17.5 kB | Details |
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| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| jiwer-3.0.5-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 39.5 kB
Release files / jiwer-3.0.5.tar.gz
| Download URL | jiwer-3.0.5.tar.gz |
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