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Length of Output File #60

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amw26 opened this issue Sep 24, 2019 · 2 comments
Open

Length of Output File #60

amw26 opened this issue Sep 24, 2019 · 2 comments

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@amw26
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amw26 commented Sep 24, 2019

Hi,

I'm trying to export an ambisonic session (around 15 minutes long) from Ableton Live 10 using the E4L software. Every time I export the session to the AIFF file, it automatically stops recording at 11.39, so every file I export/bounce is 11.39 minutes long.

Is this normal? Is there any way I can record a longer file?

@naokiapri
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Hi, I have the same problem, but for my project it stops at 25:22, though project is about 60 minutes long

@mcslee
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mcslee commented Jul 4, 2020

Unfortunately this is a limitation of the file size for a single AIFF. (The length will be slightly different depending upon whether you encode in 1st-order or 3rd-order ambisonics, and whether you use 16/24 bit. Using 24 bit or 3rd-order will reduce the possible length.

If you want to capture a longer performance, you'll need to use the "AmbiX" decoder on the E4L Master bus and route the 16-channels of raw ambisonics data, using a tool like Loopback / Soundflower / Jack, and send it into a separate recording program which can automatically handle splicing the recording across multiple files (I believe Audacity can do this, though have not tested myself).

Sorry this is not more straightforward, unfortunate limitation of the file size.

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