A buffer is basically
an area of memory a hardware device or software program uses when it
needs a constant, uninterrupted flow of information.
For example, if
you ever listened to any kind of streaming audio, the program you use
probably "buffers" the signal a little before the music starts
Here's how it works.
Your audio program "collects" a few seconds of audio then
starts playing them. If there is a split second interruption, you don't
notice it since the audio you're listing to is already a couple seconds
old. Since you're not listing as the audio comes in, it gives the program
a few seconds to compensate for any slight interruptions (and there
are lots of those). Doesn't always work if the connection isn't good,
but it does help.
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