[LAU] Audio Crossover in Linux

[Reuben Martin]

Experience says you will get much lower latency with a dedicated DSP based 
crossover.

-Reuben


On Monday, April 15, 2013 05:42:21 PM Federico Lopez wrote:
> Hi,
> 
> In my work as Front of House sound engineer I am searching for a good
> set to tools to run an audio crossover all in linux, I would like to
> hear from your experience in that field and will be glad to hear
> comments for this attempt.
> 
> Heres is my approach:
> 
> For a flexible crossover do you need: crossover filters, delay for
> outputs (to align components), multiple zone handling, filters for EQ,
> allpass filters to deal with phase, limiters to protect the speakers.
> 
> Here are some suggest apps :
> 
> Crossover Filters
> zita-lrx (Fons Adriaensen) Command line crossover with Linkwitz–Riley
> and Butterworth filters, gain and delay for each band, up to 16 chanels,
> but you can run various instances to make complex zones.
> 
> Filters
> You can make your own standalone filters with FAUST, online examples
> include second order bandpass, lowcut.
> Bandpass filters of LADSPA in JackRack
> 
> Allpass filters:
> 4x4 pole allpass filter, In conjunction with JackRack can be used to fix
> Phase response.
> 
> Limiters:
> zita-dpl1 (Fons Adriaensen) Look-ahead digital peak limiter.
> 
> My goal is to finish this post:
> http://opensourcefoh.meteor.com/posts/qJjYCPJwQohgPutt4
> 
> 
> Thanks in advance,
> 
> Federico Lopez
> 
> 
> 
> 
> 
> 
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