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Accidental Tech Podcast

296: Giant Buffers of Floats

Accidental Tech Podcast

Marco Arment

Technology

4.32.5K Ratings

🗓️ 18 October 2018

⏱️ 133 minutes

🧾️ Download transcript

Summary

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Transcript

Click on a timestamp to play from that location

0:00.0

Take two showers tomorrow.

0:01.6

Shower is the ultimate idea place.

0:05.6

Yeah, Marko's a little grumbly tonight, but I can understand.

0:08.4

Yeah, C is kicking my butt right now, and audio math.

0:13.4

It's kicking my butt right now.

0:14.9

So what are you trying to accomplish and use very small words

0:18.9

because I am not familiar with audio stuff at all?

0:21.9

Okay, so in audio terms, I'm trying to implement a look ahead limiter.

0:26.9

You know, you probably know as a podcaster and as a video person

0:29.9

that clipping is real bad.

0:31.5

I've heard this.

0:32.5

When your audio level goes above the maximum input level

0:37.3

of a digital input device, it sounds really bad.

0:40.5

It sounds like a scratchy, loud kind of like kind of thing.

0:43.7

Like it sounds awful.

0:44.9

So it's very important when you're dealing with audio amplification

0:49.5

when you're trying to make, you know, make volume levels louder

0:51.8

or whatever else.

0:52.3

It's very important to have a limiter in front of it.

0:54.3

And the point in the limiter is to catch those like very loud signals

0:59.1

that would clip before they clip and to apply gain downwards on them.

1:05.1

Well, hold on.

...

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