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iPhone 12 Lidar

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Helge A Bentsen:
Was talking to a friend and he described how he used his iPhone Lidar to make a drawing of his apartment.

Anybody tested this?
Would it be possible to make a drawing of a venue this way and dump it into prediction software we use for speaker systems?

Tim McCulloch:

--- Quote from: Helge A Bentsen on July 10, 2021, 08:25:31 AM ---Was talking to a friend and he described how he used his iPhone Lidar to make a drawing of his apartment.

Anybody tested this?
Would it be possible to make a drawing of a venue this way and dump it into prediction software we use for speaker systems?

--- End quote ---

The quick answer is the iPhone can't gather enough data points  for large, single spaces. Yet.

Caleb Dueck:

--- Quote from: Tim McCulloch on July 10, 2021, 12:26:23 PM ---The quick answer is the iPhone can't gather enough data points  for large, single spaces. Yet.

--- End quote ---

Range is also an issue, as the rear-facing sensor has a 5 meter limit. 
It looks cool, give it a year or so.

Robert Healey:

--- Quote from: Helge A Bentsen on July 10, 2021, 08:25:31 AM ---Was talking to a friend and he described how he used his iPhone Lidar to make a drawing of his apartment.

Anybody tested this?
Would it be possible to make a drawing of a venue this way and dump it into prediction software we use for speaker systems?

--- End quote ---

I worked on a remodel of a theater where the architect hired a company to do a laser scan that was imported as a point cloud into Autodesk Revit, forming the basis of their drawings. It was useful for some things (as-built drawings usually bear little reality to what you find in the field) but problematic for others as design drawings are not, and shouldn't be, photorealistic representations of the building. Detailing something in a way that a builder can interpret the drawing correctly is a difficult art and you don't get that from the scan.

On the AV side, the scan would have had created far too many points for EASE to handle. I am not sure if you can set it to only measure large surfaces but even then, speaker prediction software deals with rooms in much broader strokes than most architectural applications.

Tim McCulloch:
If you need a "real" LIDAR scan, the Leica systems rent for "less money than you'd think" (about $350/day, <$1k a week).  Serious stuff.

The LIDAR capability of the iPhone 12 and upgraded software was mentioned in the Apple WWDC presentation last month.  Like Caleb said (and I hinted at), it WILL improve.  Apple sees the potential for the functionality and use in other apps.

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