Analyze and transcribe audio and video. Extract insights from text. Transform your media into incredible assets for growth.

 https://speakai.co/

Not exactly sure how this differs from other transcription services. 

Super Fast Transcription For 10 Cents a Minute

https://cheaptranscription.io/
What I've been looking for: cheap transcriptions.

The Best Transcription Apps and Services in 2018

https://zapier.com/blog/best-transcription-apps/
Great review comparing and contrasting the best machine and human transcription services. The gap is narrowing.