# Speech Evaluator

> AI-powered speech evaluation tool based on Toastmasters standards with real audio analysis.

Speech Evaluator is a web-based tool that evaluates public speaking skills using AI. It records or accepts audio uploads, transcribes speech with Whisper, analyzes audio features (pitch, volume, pauses, speaking rate), and provides a structured Toastmasters-style evaluation with scores, feedback, and improvement suggestions. Built by Charlie Wang.

## Key Facts

- **Founded**: 2025
- **Founder**: Charlie Wang (software developer, Toastmasters member)
- **Evaluation method**: 5-dimension Toastmasters evaluation (Clarity, Vocal Variety, Comfort Level, Content Structure, Language Use)
- **Audio analysis**: Pitch tracking, volume dynamics, pause detection, speaking rate variation — real audio signal processing, not just transcript analysis
- **Transcription**: OpenAI Whisper with word-level timestamps
- **AI evaluation**: GPT-4o-mini with Toastmasters evaluation prompt
- **Pricing**: First evaluation FREE, then $4.99 per analysis (no subscription)
- **Privacy**: Audio is never stored permanently or used for training

## Core Features

- **Speech Recording**: Record directly in browser on any device (phone, laptop, tablet)
- **Audio Upload**: Upload MP3, WAV, M4A, WebM files (up to 25MB)
- **5-Dimension Scoring**: Each dimension scored 1-5 with specific metrics, assessment, and improvement tips
- **Audio Waveform Analysis**: Pitch contour, volume dynamics, precise pause detection from actual audio signals
- **Speaking Rate Tracking**: WPM over time with ideal pace range (130-170 WPM)
- **Filler Word Detection**: Counts "um", "uh", "like", "you know", etc.
- **PDF Report**: Downloadable professional evaluation report
- **Instant Results**: Complete analysis in approximately 60 seconds

## Key Pages

- Homepage: https://speechevaluator.com/
- Speech Evaluation Tool: https://speechevaluator.com/app
- Sample Evaluation: https://speechevaluator.com/sample
- FAQ: https://speechevaluator.com/faq
- Blog: https://speechevaluator.com/blog

## Blog Articles

- How to Evaluate a Speech: https://speechevaluator.com/blog/how-to-evaluate-a-speech
- Speech Evaluation Form Template: https://speechevaluator.com/blog/speech-evaluation-form-template
- Speech Evaluation Comments Examples: https://speechevaluator.com/blog/speech-evaluation-comments-examples
- Self Speech Evaluation Guide: https://speechevaluator.com/blog/self-speech-evaluation-guide
- Speech Evaluation Rubric Scoring: https://speechevaluator.com/blog/speech-evaluation-rubric-scoring
- Online Speech Evaluation Tools: https://speechevaluator.com/blog/online-speech-evaluation-tools
- Speech Evaluation for Students: https://speechevaluator.com/blog/speech-evaluation-for-students

## Contact

- Email: charliewang0322@gmail.com
- Website: https://speechevaluator.com