Text and Images from Slide
Error Rates for General Captioning
| Source | Typical Error<br />Rate | Result |
| Trained Stenographer | 0.5% to 1% | No problems |
| Student transcriber | ?? | |
| Speech Rec: trained | 3% to 5+% | Varies from acceptable to poor |
| Speech Rec: untrained | 20% to 40% | Unintelligible |