For me the best sound speed up I've found is the Android app "Presto" that can be used by the Podcast app as a speedup service. It uses the Sonic algorithm whic

For me the best sound speed up I've found is the Android app "Presto" that can be used by the Podcast app as a speedup service. It uses the Sonic algorithm which is specifically tailored for speech speedups above 2x. https://github.com/waywardgeek/sonic https://github.com/waywardgeek/sonic