A multiple channel voice recording program. Typical Applications are telephone line recording (call recording), radio communication recording, control room recording and other specialized applications. Records up to 8 audio channels simultaneously. More channels can berecorded using multiple computer racks. Automatic start and stop using volume threshold or hardware connection. Signal processing to improve voice intelligibility and automatic levelcontrol. Advanced audio compression to reduce file size. With the maximum compression setting, the VRS can record 2 years of 24 hour-a-day audio on a 32GB hard drive. Find and play recordings ordered by date or line. Save recordings as wave files. If you wish to use the VRS to record telephone calls, a telephone unit is required.