Audio MIDI Interfaces

In reality MIDI files are very petite since they use your sound card?s built-in instruments for crafting the sounds. The problem is that most sound cards don't have any decent sounds to start with, plus no two sound cards sound alike and therefore the results are very erratic. MIDI files usually sound like they're coming from one of those cheap Casio keyboards. Using MIDI for background music is very likely to make your site seem sloppy. Want to know how to do it anyway? Just add the line to your site and when the page gets loaded the file will be played robotically by the command named Auto Start. Although professional sound recording packages can be fairly costly, you can get your feet wet by trying out one of the obtainable shareware programs.

The Musical Instrument Digital Interface consents music to be recorded or produced by utilizing a data file containing multiple serially listed program status messages and matching note on and note off messages. In contrast, digital audio is usually compressed merely, exploiting a suitable data compression technique, and recorded. The audio content of such a digital recording may then be restored by decompressing the recorded data and converting that data by a digital-to-analog converter. The method and apparatus of the present invention selectively and alternatively couples portions of a compressed digital audio file and a MIDI file to a single digital signal processor which alternately decompresses the digital audio file and implements a MIDI synthesizer. Decompressed audio and MIDI synthesized music are then alternately attached to two separate buffers. The stuffing of these buffers are then additively mixed and coupled through a digital-to-analog converter to an audio output device to create an output having concurrent digital audio and MIDI synthesized music. A technique and equipment are unveiled for concurrently outputting digital audio and MIDI synthesized music utilizing a single digital signal processor.

Virtual instruments are computer-generated sounds that can be played through MIDI. Traditionally, MIDI was used to send music data to hardware devices like keyboards and sound modules, but computers are now powerful enough to imitate sound modules. Moreover, virtual instruments can be loaded into the computer?s memory to play all type of sounds instead of hooking up cables to an external device to play MIDI tracks and these tracks can be pooled with audio tracks to be processed with effects like reverb and chorus and also to get played in perfect synchronization for obtaining a professional sounding result.

This article courtesy of  http://www.keyboardhq.com.
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