CrystalSound targets the everyday friction of online meetings: fans, traffic, cafés, shared offices, and the awkward echo that shows up when two people on the same call both use open speakers. Instead of asking you to change tools, it installs a virtual audio device that appears as an extra microphone in Zoom, Google Meet, Microsoft Teams, and browser-based conferencing. From there the app cleans the audio in real time, boosts mic level, and applies echo and room-reverberation suppression.
Beyond cleanup, CrystalSound acts as a lightweight meeting assistant. It records screen and bi-directional audio, produces transcripts and automatic titles, generates smart meeting minutes, and extracts keywords and sentiment so you can see which parts of a call mattered. "My Voice Only" mode isolates your own voice and pushes other speakers down, which is useful in crowded rooms, cafés, and open-plan offices. The product also includes audio-file enhancement for recorded media such as podcasts or interviews you already have on disk.
A notable design choice is privacy-oriented processing: the vendor advertises on-device AI for its noise-cancellation and screen-recording features, with cloud processing reserved for the higher transcription and analysis tiers. Audio-editing extras round out the app — pitch shift, reverb and a robotic voice effect — and audio files can be improved even if the original video is not a live meeting.
