https://www.science.org/doi/10.1126/sciadv.aaw2594 https://www.science.org/doi/10.1126/sciadv.aaw2594 Apparently human language conveys information at around 3

https://www.science.org/doi/10.1126/sciadv.aaw2594 https://www.science.org/doi/10.1126/sciadv.aaw2594 Apparently human language conveys information at around 39 bits/s. You could use a similar technique as that paper to determine the information rate of a speaker and then correct it to 39 bits/s by changing the speed of the video.