# FMOD\_DSP\_METERING\_INFO units?
**URL:** https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615
**Category:** FMOD Engine
**Created:** [July 25, 2016, 10:09pm UTC](https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615 "2016-07-25T22:09:45Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@spotco](https://qa.fmod.com/u/spotco)
#### Post date: [July 25, 2016, 10:09pm UTC](https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615/1 "2016-07-25T22:09:45Z")
I’ve been looking around and haven’t been able to find any documentation on this.
What are the units for FMOD\_DSP\_METERING\_INFO rms and peaklevel?
([http://www.fmod.org/docs/content/generated/FMOD\_DSP\_METERING\_INFO.html](http://www.fmod.org/docs/content/generated/FMOD_DSP_METERING_INFO.html))
I’ve read conflicting reports online that they are BS.1770 LKFS or LUFS.
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### Author:  [@nick1](https://qa.fmod.com/u/nick1)
#### Post date: [July 26, 2016, 1:05am UTC](https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615/2 "2016-07-26T01:05:47Z")
They are just linear values.
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### Author:  [@spotco](https://qa.fmod.com/u/spotco)
#### Post date: [July 26, 2016, 1:21am UTC](https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615/3 "2016-07-26T01:21:02Z")
> [@](#):
>
> They are just linear values.
This blog post: [http://www.stephenschappler.com/2013/07/26/listening-for-loudness-in-video-games/](http://www.stephenschappler.com/2013/07/26/listening-for-loudness-in-video-games/) and a few other random comments mention FMOD supporting BS.1770. Is this actually true?
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### Author:  [@nick1](https://qa.fmod.com/u/nick1)
#### Post date: [July 26, 2016, 1:24am UTC](https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615/4 "2016-07-26T01:24:28Z")
We have a separate DSP type FMOD\_DSP\_TYPE\_LOUDNESS\_METER that can be added to the signal chain to get LUFS. Unfortunately it is not well documented because it is designed for internal use with our tool.
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### Author:  [@nick1](https://qa.fmod.com/u/nick1)
#### Post date: [July 26, 2016, 1:27am UTC](https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615/5 "2016-07-26T01:27:49Z")
I wouldn’t add this to each individual channel, it’s designed to meter the master bus only in terms of memory and CPU.
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### Author:  [@spotco](https://qa.fmod.com/u/spotco)
#### Post date: [July 26, 2016, 1:47am UTC](https://qa.fmod.com/t/fmod-dsp-metering-info-units/12615/6 "2016-07-26T01:47:41Z")
Is there any documentation online or that you can share for FMOD\_DSP\_TYPE\_LOUDNESS\_METER?
(Or should I reverse engineer it and hope you don’t break binary compatibility in the future? 🙂 )