This software synthesizer voices are so natural, that are confusingly similar to an authentic teacher. The Polish language version, there are two voices: male - Krzysztof and female - Zosia. Synthesizer communicates with screen reader programs SAPI 5 standard. It is possible to set various parameters of speech, such as volume, tone of voice, rate of speech, intonation change whether to enable or disable punctuation verbosity. Loquendo distinguishing feature from other synthesizers working in SAPI 5 is relatively fast work with screen readerami, in particular with JAWS.