Speech Test Suite Speech to text, text to speech, and any other speech synthesis benchmarks. Speech Test Suite: Processor: ARMv7 rev 3 @ 1.50GHz (4 Cores), Motherboard: BCM2711 Raspberry Pi 4 Model B Rev 1.2, Memory: 2048MB, Disk: 2 x 31GB Cruzer Blade + 64GB JC2RT OS: Raspbian 10, Kernel: 5.4.77-v7ls3659078+ (armv7l), Compiler: GCC 8.3.0, File-System: ext4 eSpeak-NG Speech Engine 20200907 Text-To-Speech Synthesis Seconds < Lower Is Better Speech Test Suite . 171.18 |=================================================== RNNoise 2020-06-28 Seconds < Lower Is Better Speech Test Suite . 69.42 |====================================================