After months of video chats and binge-watching streaming video, some people, tired of looking at screens, are trying out digital platforms built for audio. These platforms allow the user to drop in and out of a conversation. More and more voice platforms continue to pop up. Voiceroom, developed by two undergraduates at the University of California, Berkeley, went live this month. Voiceroom is meant to emulate the way conversations naturally occur in a big group of friends or during a lecture at school, when people break into side chats. When users move around the room, the sound of other people gets louder or softer, depending on how close you are to them.