When I listen to a song on my sound system, one speaker will have the guitar whilst the other will have the vocals. How does the sound system distinguish it within the song?
In: Technology
The speakers only play what they are told. See, most audio is saved in distinct channels – vocal, guitar, drum, etc. – and most playback devices have built-in filters to point each channel to a specific speaker. Some times, this is even more finely tuned, so that something is channeled to more than one speaker at once, so you can hear it in stereo. And some things are so old, there’s only one audio channel in the track.
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