Try an Audioburst search
Think of it as the Google of audio, a search engine that’s able to find, and let you hear audio from podcasts and radio shows.
In June, the company announced a $6.7 million round of funding led by Japanese speech recognition tech company Advanced Media along with other investors. It’s able to index audio programs and make them searchable through a variety of interfaces, including the popular Amazon Echo, through an Alexa skill.
You can learn more from TechCrunch and VentureBeat.