Tutorial Sample FilesHere are some sample files that are used in various tutorials:Vowel Sequence https://www.vocevista.com/en/wp-content/uploads/sites/5/2020/07/10b_vowel_sequence.oggDan EGG https://www.vocevista.com/en/wp-content/uploads/sites/5/2020/07/11c_dan_egg.flacFry Subharmonics https://www.vocevista.com/en/wp-content/uploads/sites/5/2020/07/fry_subharmonics.wav Also check out our test signals for resonance measurements with your phone.