---
title: Srt Eval
emoji: 🌍
colorFrom: green
colorTo: indigo
sdk: gradio
sdk_version: 5.4.0
app_file: app.py
pinned: false
license: mit
short_description: Visualize CER / WER for SRT subtitles
---

# SRT Evaluation Tool

This Gradio app compares two SRT files and calculates Character Error Rate (CER) and Word Error Rate (WER) metrics, with and without punctuation. It provides a detailed visualization of the differences between the files.

## Features

- Upload and compare two SRT files
- Calculate CER/WER metrics
- Visualize text differences
- Download visualization as PNG or PDF
- Example files included for testing

## Usage

1. Upload a reference (golden) SRT file
2. Upload a target SRT file for comparison
3. Click "Process Files" to see the results
4. Or use "Load Example" to try with sample files

## About

This tool is particularly useful for evaluating machine-generated subtitles against human-created references, supporting both Chinese and English text.