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A hard disk recorder (HDR) is a high-quality digital direct-to-disk recorder system. An HDR is a digital audio or video multitrack recorder that directly transfers the live streaming data from the source to the memory. Transfer rate, memory specification and processing speed all depend on the type of HDR being used.
Hard disk recorders are widely used to capture various audio/video input signals. Recording time depends on the size of hard disk in the HDR. Software available for hard disk recording can convert any PC into a hard disk recorder, giving the user more flexibility and options to choose from. Audio recorded through an HDR can be edited non-linearly and can be accessed randomly, meaning that processing and editing is a lossless process.