How exactly is the sound represented with electric signal inside the headphone cable?
- Monday Nov 23,2009 05:46 PM
- By diddy
- In Others
The most I understand is that the cable has 3 wires inside: right, left and ground. So consider just one of them (right). I kind of understand how the audio is digitally represented by 44100 pieces of information per second (for 44.1kHz audio) going from my mp3 player to the headphones. But what exactly is contained in each of those 44100 pieces? And how is each of those bits or pieces represented with electricity?
Bits Pieces, Cable Wires, Electric Cable, Electric Signal, Electricity, Headphones, Mp3 Player
One Comment
No, the signals in the cable to the headphone are not 44kHz digital, they are plain old analog signals, that are a direct representation of the sounds that were originally recorded (more or less).
if you looked at the motion of a loudspeaker cone or the ribbon on a microphone, and had very good eyes, you would see the cone or ribbon move as the sound of the music does. That movement is copied as a voltage and that is what is sent to the headphones.
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