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Update IR Capture plugin description

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Robin Gareus 2025-01-19 15:39:50 +01:00
parent 52cb507dd5
commit 86c68de269
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1 changed files with 15 additions and 13 deletions
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28
share/scripts/ir_capture.lua
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@ -5,22 +5,24 @@ ardour {
author = "Ardour Team",
description = [[
1. Calibrate I/O Latency (Menu > Window > Audio/MIDI Setup)
2. Create a mono track - this will be used to record the IR
3. Disconnect the input and output of that track
4. Add a mono bus and load this plugin on the bus
2. Create a mono track - this will be used to record the IR.
3. Disconnect the input and output of that track.
4. Add a mono bus and load this plugin on the bus.
5. Connect the left output of the bus to the mono track's input.
The deconvolved Impulse Response will be output on that channel
6. Connect the right output of the bus to a hardware playback port, matching the system you want to capture
The deconvolved Impulse Response will be output on that channel.
6. Connect the right output of the bus to a hardware playback port, matching the system you want to capture.
A sine-sweep will be played on that channel.
7. Connect the bus input to the return signal (hardware capture) of the system under test.
7. Connect the bus' input to the return signal (hardware capture) of the system under test.
8. Record Arm the track (from 2)
9. Record Arm the session
10. open the GUI of this plugin, enable "Capture"
11. Roll the transport
12. Wait 10 sec. (recording stops automatically)
13. Select the region on the mono track: Region > Edit > Strip Silence, Region > Gain > Normalize
14. Disable region-fades on the region: Region > Fades
15. Export the region: Region > Export
10. Open the GUI of this plugin, enable "Capture"
11. Roll the transport.
12. Wait 10 sec (recording stops automatically).
13. Select the region on the mono track: Region > Edit > Strip Silence and/or manually tweak the region start:
move it close to the initial impulse.
14. Region > Gain > Normalize, or manually adjust gain.
15. Disable region-fades of the region: Region > Fades
16. Export the region to save the IR file (Region > Export)
]]
}
@ -109,7 +111,7 @@ function dsp_init (rate)
if fmax > rate * .47 then
fmax = rate * .47
end
gen_sweep (20, fmax, 5, rate)
gen_sweep (20, fmax, slen, rate)
rec_len = rlen * rate