Archiv der Kategorie: software

open source software

midi2rms – midi volume fader curve sampling

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volume-behaviorA very crucial and maybe often underestimated point for working with (volume) faders, especially in live electronics application is their curve/behavior. Which range does it cover? How fast does „it“ get „loud“. What is the behavior around the +0 dB mark?

I sampled the midi volume fader behavior from several of the most popular Digital Audio Workstations. The difference is quite obvious as you can see in the graph to the right.

pd-fader-behavior-screenshotI made a Pure Data abstraction as replacement for the frequently used [fadtorms] or [dbtorms]. In connection with the .txt sample files it can be used to scale your midi fader input.
Get the abstraction including sample files and Matlab plots here:

midi2rms_0.11.zip

pd-external: pix_openni 0.10

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4

If you are working with Xbox Kinect Sensor here is another goodie for you – A pure data / Gem external to get Kinect rgb and depth streams as well as skeleton tracking and multiple hand tracking via OpenNI[1]

Download the packed Binaries for OSX and Windows pix_openni-0.10.zip.
Latest sourcecode available at github: http://github.com/kronihias/pix_openni

Look at this page if you don’t know how to install a Pd-External.

To control tilt, led and output accelerometer data you can use libfreenect based http://github.com/kronihias/freenect.
To get audio streams you can use libfreenect based http://github.com/kronihias/freenect_audio.
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  1. [1]http://www.openni.org↩

DarwiinRemoteOSC Mountain Lion

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darwiinremote-oscI fixed the program DarwiinRemote for Mac OS 10.8 (Mountain Lion) and added Open Sound Control (OSC) support for the most recent version. Download it here:

DarwiinRemoteOSC-2012-12-24-09-47.dmg

DarwiinRemoteOSC allows to connect via Bluetooth to the WiiRemote controller. It also supports Nunchuk, Classic Controller and Balance Board.
All data from the Wii Controller is forwarded via OSC. IP and Port can be changed by command line argument. OSC can be sent to DarwiinRemoteOSC to turn on Force Feedback, LEDs and retrieve Battery status.

Sourcecode available on Github.

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pd-external: pix_freenect 0.10

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1

(C)2011 Matthias Kronlachner

Version 0.10 of pix_freenect external for Pure Data/Gem now available.
Sourcecode and binary for OSX and Ubuntu 11.10 available at github: https://github.com/kronihias/pix_freenect

Look at this page if you don’t know how to install a Pd-External.

The pix_freenect external can output rgb and depth simultaneously from multiple Kinect sensors.

Features:

  • open specific Kinect sensor by serial number – useful for multiple Kinect installations
  • output registered depthmap -> rgb and depth image are aligned
  • output depthmap directly as 16 bit [mm] values
  • resolution of rgb image can be set to 1280×1024

To get audio streams you can use http://github.com/kronihias/freenect_audio.
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Kinect Headtracking with OSC Support

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left: GEM Window, right: head pose estimation by G.Fanellibased on
Real Time Head Pose Estimation from Consumer Depth Cameras by Gabriele Fanelli [1]

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download source and windows/OSX binaries: https://github.com/kronihias/head-pose-estimation

Application that detects head position from a depth image provided by Microsoft Xbox Kinect Sensor in x,y,z and Euler Angles (pitch, yaw, roll) from multiple persons.

–> needs no calibration!!

Application sends data as OSC[2] Message in the format:

/head_pose [User_ID] [x] [y] [z] [pitch] [yaw] [roll]
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  1. [1]http://www.vision.ee.ethz.ch/~gfanelli/head_pose/head_forest.html↩
  2. [2]Open Sound Control (OSC) is a message based communication protocol for multimedia systems.↩

GEM pix_video plugin: videoKINECT

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!!
I decided to cancel development on the Kinect plugin for pix_video – please use pix_freenect if you need video streams from Kinect or pix_openni if you need some advanced tracking features as well
!!

download source

videoKINECT (very alpha version…)
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plugin for Gem pix_video

* depends on libfreenect
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