Virtual Recording

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The virtual recording is a term compared with physical recording. In order to record sound on your computer, you must have a full-duplex sound card, which can play and record at the same time. Most new sound cards are duplex, but many older sound cards (and many of those built into the motherboards of notebook computers) are not.

When a sound card is emulated in some fashion, it is called a virtual recorder. “Virtual” means you don’t need to have any physical devices but install some daemon tool.

Currently the physical sound recording drivers only permit a single application to play back audio on standard sound cards. This virtual recording is totally independent from your sound card and allows you to listen to other music while you're recording. This characteristic has been adopted by some developers. They develop the DRM music converter on the base of the virtual recording, such as NoteCable M4P to MP3 Converter.

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