![]() The resulting VU meter has 38 bars per channel, and is highly responsive. The Arduino then measures the voltage on those inputs and feeds the necessary commands to the PT6314 driver to update the display. With some minor tweaks, the character set can be modified to allow the display to become a surprisingly-responsive VU meter.Īn Arduino Nano runs the show, with an envelope follower circuit feeding a signal for the left and right channels into the analog inputs of the microcontroller. This has the benefit that it can be readily driven by a microcontroller in much the same way as the familiar HD44780 character LCD driver chip. The project is built around a VFM202MDA vacuum fluorescent display, which provides that lovely green-blue glow we all know and love, driven by a PT6314 driver chip. This build from is of the latter variety, repurposing a VFD display to do the job. Learn more about the mvMeter2 on tb-software.Humans love visualising music, whether it’s in the form of an inscrutable equation drawing squiggles in Winamp, or a simple VU meter pulsing with the beat. Since it comes with presets for the K-System by Bob Katz, you can set it up with just a few clicks and whenever you have a specific setup in mind you can make use of all the different metering modes and other parameters. ![]() The mvMeter2 is a great tool to check your loudness. Additionally there are a bunch of buttons to control the output volume or show and hide certain things, but I’m sure you’ll figure these out on your own □ Final Words In the bottom corners of both VU meters, you’ll further get values for the current and maximum meter values, which also comes in pretty handy. However, the RMS modes are quite useful to get “a second opinion” on how loud your mix is. For me, there’s no need to use the peak mode, since my DAW tells me whenever I’m clipping and that’s basically the only peak value I want to know. Now the interesting part: by clicking on the left VU meter’s display you can choose one of 7 different measurement modes: peak, RMS, RMS +3dB, EBU ML, EBU SL, VU & PPM. In the top-right corner of the left display you can decide if you’d like to see the left and right or mid and side signals. The drop-down menu – once again found in the top-left corner – is where you can adjust the GUI’s size, from 50% up to 400%, which should be more than enough for most users. The main or metering section is where you can see the needles move. For me, the default setting works out quite good. Next up is a parameter, which allows you to change the FPS from 1 – 100. Fortunately the guys from TBProAudio made sure that the skin doesn’t change while loading presets, so you just need to pick it once. My favorite style is the “Black” one, but honestly all of them look really great. Right below the top bar, in the top-left corner you can change up the plugin’s skin, which doesn’t affect the sound in any way, but is a cool option to have. If you do not aim a specific loudness range the RMS Standard is also pretty valuable. My personal favorites are RMS K-12, RMS K-14 & RMS K-20, since they really make it easy to adjust your final mastering limiter. ![]() In the middle of the top bar you’ll find a preset menu with a bunch of useful settings. Right next to it, you can delay the meter’s visual reaction (this can be especially helpful while working on projects with a big buffer size). ![]() In the top-left corner you’ll find the reference level, which is pretty useful if you’re going for a specific loudness range, like -14 dB for example. This is how tot GUI looks like by default: Top Bar The plugin’s default design looks stunning and all knobs work fine. I opened up the plugin using my DAW of choice and everything seemed to work correctly. So right after finding out about the mvMeter2, I started the download and initiated the installation process, which was – as with most plugins – quite easy. To learn more, read our full review below. Being available both Windows and OSX, the plugin can be downloaded for free via. It comes with multiple measuring modes, including PEAK, RMS, EBU R128, VU or PPM and a bunch of useful workflow parameters. The mvMeter2 by TBProAudio is a metering plugin, which visually reminds of an old VU meter. ![]()
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