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December 15, 2017, 03:16:51 AM
The Stribe Project - ForumGeneral CategorytbdfeaturesTopic: meter mode
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ultrajosh
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« on: February 26, 2008, 08:03:05 PM »

This doesn't exist yet but would be a great starting point for lots of things.

The idea is to simply take a stereo audio input into Max and display it on one channel of the stribe like a meter.

Next step is to allow you to adjust the volume with your finger.  Ideally the peaks of the audio should move up and down corresponding to the audio, and how high they go corresponds to the amplitude.  As you drag down the meters get smaller until they are gone where there is no sound.
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XPM
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« Reply #1 on: February 27, 2008, 06:42:51 AM »

I was actually hoping to have a go at doing this exact thing when I finally order and build my stribe.
I'm just waiting for some money to come through before I place the order.
Just thought I'd post to back the idea.
cheers Josh
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tk
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« Reply #2 on: March 31, 2008, 02:35:45 PM »

Here the Reaktor5 macro I created for sending VU meter values via MIDI. I guess, that it can be easily changed for OSC messages.

-> MIDIMeters.mdl

It basically consists of a rectifier, amplifier, lin/log-converter, slew limiter (to smooth the waveform), sample&hold stage, step filter (events are only forwarded if there is a difference of >= 1) and CC output unit:


8 of these macros are stacked together, and the S&H stages are clocked at 50 Hz to reduce MIDI traffic:


1-8 are the audio inputs, A is the amplification factor, and should be connected to a constant or knob (typically, 100..1000 are good values for the instruments I tested)

Best Regards, Thorsten.

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