In this picture you can see the waveform of the audio track on film, but how in the world can you create sound from just a amplitude?:
Picture: [https://images.squarespace-cdn.com/content/v1/57e9a1c0f7e0ab213fe99f4a/1493060981670-OAI5ANMFURAHOO6XF2OQ/Screen+Shot+2016-12-01+at+5.20.55+PM.png](https://images.squarespace-cdn.com/content/v1/57e9a1c0f7e0ab213fe99f4a/1493060981670-OAI5ANMFURAHOO6XF2OQ/Screen+Shot+2016-12-01+at+5.20.55+PM.png)
i understand how sound can be reproduced like on speakers and such, Does a image of a wave form ACTUALLY contain audio data?
In: 6
Yes. Sound is local pressure, and you can only ever have one local pressure at a time. Sound can also have direction information, but we don’t usually encode that any more than just having two channels.
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