Sony has unveiled its new MiniDisc MZ-RH1, which the company calls a mobile recording studio. The unit will record audio with several different modes, depending on location, and can play inearPCM, ATRAC (ATRAC, ATRAC3, ATRAC3plus) or MP3 format, reports Macworld UK. In addition, the MZ-RH1 will be Mac-compatible, which Sony says brings “greater choice in digital audio devices to Mac users.” The Mac software is expected to be available this summer.