https://www.prosaris.ca/de/post/eine-einführung-in-schall-frequenz-und-das-akustische-spektrum 2026-08-25 https://static.wixstatic.com/media/e538e8_d94e69b8faa441d5ac7785ba78cbea70~mv2.png A man wearing a piece of hearing equipment around his ear. White text reads "What is Sound?" https://www.prosaris.ca/de/post/die-ausbreitung-von-schall 2026-08-25 https://static.wixstatic.com/media/e538e8_159f2bc897624cf88da5bf50006c50ca~mv2.png A 3D render of an energy wave. https://www.prosaris.ca/de/post/warum-bild-und-ton-die-beste-ultraschall-leck-und-fehlererkennung-ermöglichen 2026-08-25 https://static.wixstatic.com/media/e538e8_c4cb033d49184635957cf311cb58ea2a~mv2.png A technician wearing head phones and using the PROSARIS App on a tablet. https://www.prosaris.ca/de/post/prosaris-ist-jetzt-für-ios-verfügbar 2026-08-25 https://static.wixstatic.com/media/e538e8_262d9f0fee3344a8a57be082ed14a3e8~mv2.png A PROSARIS OL2 Puck pictured next to an iPad. https://www.prosaris.ca/de/post/wie-funktioniert-die-ultraschallerkennung 2026-08-25 https://static.wixstatic.com/media/e538e8_4b805739de4243dbafb00fd37a6060bb~mv2.png Microphone array on the PROSARIS OL2 Puck. https://www.prosaris.ca/de/post/ultraschall-erforschen 2026-08-25 https://static.wixstatic.com/media/e538e8_c76fa80b6e084f9e8bac2016cc00fb0c~mv2.png A blue sound wave graphic.