I was thinking earlier that maybe YouTube CC-licensed audio with manually entered subtitles might be a good source? Though, most videos of decent length would

I was thinking earlier that maybe YouTube CC-licensed audio with manually entered subtitles might be a good source? Though, most videos of decent length would only contain say three or four speakers, which is most definitely sub-optimal. https://www.youtube.com/results?sp=EgYYAigBMAE%253D&search_query=speech https://www.youtube.com/results?sp=EgYYAigBMAE%253D&search_q...