The CastingWords API allows you to put their 100% human transcription service into your company's workflow. The API's technical webpage describes the API as "RESTish," with responses returned in a variety of formats. The site states that, "The goal is not to follow REST's practices closely, but rather to make an easy API to get up to speed with using a dynamic language or curl.
Google has announced the general availability of Cloud Text-to-Speech and a beta release of Cloud Text-to-Speech Audio Profiles. The company also announced updates to Cloud Speech-to-Text which include the addition of multi-channel recognition, speaker diarization, and language auto-detect.
National Public Radio (NPR) has just opened another means for developers to access content from NPR.org: a new API for transcripts. This API provides access to tens of thousands of transcripts from some of the most popular programs on NPR. As we covered last year and in our NPR API Profile, their APIs open-up a range of interesting possibilities.