There is a lot of jargon written in the advertising and sales listings for android Headunits. A very common term mentioned is 'DSP'. But what is DSP and more importantly is having one better than not having one
Sometimes the movies need a bit of sound equalisation. Maybe some more bass or maybe even a bit less. If you don't have a DSP fitted, then you may not have a facility to use a pre-installed graphic equilizer. Or it could be your current EQ App won't be active during video play back, a strange behaviour, but common in some EQ apps.
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