Melting
The Portastudio supported the bouncing of content between tracks, such as creating a mix of three tracks and recording the sum onto the fourth track. By carefully balancing the volume and equalization, this could be done multiple times to create very lush tracks, reminiscent of the complex four-track production of late-sixties Beatle compositions. A limitation was the introduction of tape hiss, which was a particular issue with early models. This was eliminated with more recent digital models.
The Portastudio supported the bouncing of content between tracks, such as creating a mix of three tracks and recording the sum onto the fourth track. By carefully balancing the volume and equalization, this could be done multiple times to create very lush tracks, reminiscent of the complex four-track production of late-sixties Beatle compositions. A limitation was the introduction of tape hiss, which was a particular issue with early models. This was eliminated with more recent digital models.
Unlike standard audio cassette machines that recorded a pair of stereo channels per side, the cassette-based Portastudios recorded four channels in one direction. If you played back a standard two-sided stereo cassette, the second two channels would play in reverse. One interesting (but unpublished) feature was that you could record a track in reverse by flipping the cassette, then flip it back and record additional material. Thanks to the speed control, it was also possible to create a classic flanging effect by recording one track, then recording a second copy of the same track while varying the pitch control, creating a sweeping sound at points where the two tracks converged.
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Mind Melt Music 