This is a valid program that is required to run at startup.
This program is required to run on startup in order to benefit from its functionality or so that the program will work. The following information is a brief description of what is known about this file. If you require further assistance for this file, feel free to ask about in the forums.
According to this MSDN article
, "The Redbook system driver (Redbook.sys) is the KS filter that manages the rendering of CD digital audio. The Redbook driver is a client of the SysAudio system driver. The system routes CD digital audio through the file system to the Redbook driver and then to the SysAudio driver. The CD digital audio is rendered on the preferred wave output device (as set in the Multimedia property pages in Control Panel)."
This startup entry is installed as a Windows service.
Digital CD Audio Playback Filter Driver:
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