espeak-ng-espeak 1.51+dfsg-11 (riscv64 binary) in ubuntu mantic

 eSpeak NG is a software speech synthesizer for English, and some other
 languages.
 .
 This package contains compatibility links that makes it a drop-in replacement
 for the espeak package. Installing this package thus allows one to make
 applications calling the /usr/bin/espeak program use eSpeak NG without any
 modification or rebuild.