[sdiy] IR Reverb

rsdio at audiobanshee.com rsdio at audiobanshee.com
Wed Feb 21 10:01:55 CET 2018


FYI, the vDSP section of Apple’s Accelerate framework has convolution functions, including single and double precision, on real and complex data. The same variations of FFT are available, too. A good starting point for quick prototyping without the hassle of optimization.

Brian


On Feb 21, 2018, at 12:16 AM, rsdio at audiobanshee.com wrote:
> To Jay’s comment, I would add macOS. I’m a little biased since I’m teaching a couple of courses in CoreAudio and AudioUnits, but I find that it’s very fast to develop on the Mac using CoreAudio combined with the Accelerate framework (particularly vecLib). Apple’s FFT is at least about twice as fast as the FFT source you might download from the internet.
> 
> iOS might be the least convenient, since you need a Mac to develop for iOS anyway and you might as well just write for the Mac to take advantage of the faster CPU.
> 
> Brian Willoughby
> 
> 
>> From: Jay Schwichtenberg <jschwich53 at comcast.net>
>> Sent: February 20, 2018 4:18:44 PM PST
>> To: synth-diy at synth-diy.org
>> Subject: Re: [sdiy] IR Reverb
>> 
>> If it would be me I'd get the code to work under Windows/iOS/Linux first and
>> then worry about the hardware.
>> 
>> You have much better tools and would have quicker turnaround doing it in
>> Windows/iOS/Linux first and if you can't get it to work there's no need to
>> build hardware.
>> 
>> Just my 2 bits.
>> Jay S.
> 
> On Feb 20, 2018, at 6:27 PM, rsdio at audiobanshee.com wrote:
>> Oops, I’ve already lost the response from this thread where someone recommended getting your feet wet on the desktop.
>> 
>> That’s good advice.





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