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A Python-based sound server, allowing control of the FModEx API via OSC messages.

Project Description

The sound server reads a YAML file specifying sounds to be played. Sounds can then be triggered and manipulated remotely over OSC (e.g. fading in and out tracks, 3D positioning of sounds). This allows configuration and remote triggering/manipluation of sounds over a network. This software was designed for adding audio to interactive art installations and similar; it is probably not suitable for gaming or real-time musical applications.

Sound generation is via pyfmodex, which in turn wraps the high performance FMODEx library, which is used to render the sounds. Most FMODEx features are supported.

The server also supports autonomous fades, and automations for making filter changes, position movements, and pitch adjustment using random, periodic or spline based patterns. It supports stochastic sound generation, so that random sounds can be generated server-side according to a fairly flexible random generation model.

Example OSC messages:

# create a new transient sound mysound_0
/sound_server/spawn mysound mysound_0

# set the gain to -80dB
/sound_server/gain mysound_0 -80

# start the sound playing
/sound_server/start mysound_0

# start a fade up to 0dB over the next 5 seconds
/sound_server/gain mysound_0 0 5.0

Requires numpy, pyfmodex and simpleOSC.

Note: this is currently Python 2.x only. Python 3.x may or may not work with some small changes. You must separately acquire FMODEx for your platform. Depending on your use, FMODEx may require a commercial license.

This library relies on pyfmodex, which is somewhat incomplete/buggy at the moment. In particular, it does not work on 64-bit systems (you will get an FMOD_INVALID_PARAMETER error if you try and run on a 64 bit system). sound_server has some workarounds for missing or incomplete features in pyfmodex by calling FMODEx directly via ctypes.

OS X note: On OS X, the pyfmodex library must be patched to change the FMODEx library name from .so to .dylib

Release History

Release History

This version
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0.1.1

History Node

0.1

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sound_server-0.1.1.zip (26.9 kB) Copy SHA256 Checksum SHA256 Source Feb 28, 2015

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