Convert Audio & Video to Text. Professional transcriptionists working side by side with the best speech-to-text. AI. Tekstone lets you automatically transcribe your files or use our human transcription service. Our transcription software uses speech recognition technology. It has an accuracy of up to 85% and will get your files transcribed in minutes. The human transcription service has an accuracy of 99% and your files will be delivered in less than 24 hours.