Interesting, there is a similar topic in pencil2d.org [1].
I know nothing about it, but I guessed MLT was not the first choice at the
beginning of sound development last year, gstreamer was one of the choices,
don't know why we did not use it finally. beside backend (lib), there are a
lot of nice "features"[2][3] of sound layer I've been expecting to land in
Synfig.
[1] http://www.pencil2d.org/forums/topic/audio-lib/
[2] http://synfig.org/forums/viewtopic.php?f=14&t=42&p=188
[3] http://wiki.synfig.org/Dev:Sound_Layer
~ yu
On Mon, Jan 25, 2016 at 3:46 PM, <d.j....@free.fr> wrote:
> Hello list,
>
>
> I know, we already have (basic) sound support threw MLT ...
> I just would like to share that sound lib : "audaspace"
>
> Audaspace (pronounced "outer space") is a high level audio library written
> in C++ with language bindings for Python for example. It started out as the
> audio engine of the 3D modelling application Blender and is now released as
> a standalone library.
>
> Features
> ---------
> The following (probably incomplete) features are supported by audaspace:
>
> * input/output devices
> ** input from microphones, line in, etc.
> ** output devices including 3D audio support
> * file reading/writing
> * filters like low-/highpass and effects like delay, reverse or fading
> * generators for simple waveforms like silence, sine and triangle
> * respecification - this term is used for changing stream parameters
> which are
> ** channel count - channel remapping
> ** sample format - the library internally uses 32 bit floats
> ** sample rate - resampling
> * simple (superposition, joining and ping-pong aka forward-reverse) and
> more complex (non-linear audio editing) sequencing of sounds
>
> Licence
> -------
> Apache License, Version 2.0
>
> More informations : https://github.com/neXyon/audaspace
>
>
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