Alright, I figured it out... You need to start a new Filter session/project to apply the FIR file. You cannot use an existing project created with a previous version of HFD.Hi, has anyone managed to generate an output file in rePhase that was accepted by HFD?
I have a hard time finding the export settings in rePhase that are correctly accepted by HFD. According to the manual, you have two options on my specific FA253:
Input FIR:
4500 taps @ 93750Hz,
Output FIR:
1500 taps @ 93750Hz
as a .txt file
I got to the point where I didn't get an error on loading the generated file, but the file was not loaded/applied/accepted by HFD.
Thanks for any pointers upfront!
Would you care to share the steps and setup for measurement and calculation? I would be very interested as I've just finished my first build. Thanks a lot!I just programmed my Hypex FA253 with FIR filters and I'm absolutely blown away. I used Rephase. The filters are all 48db or 36db an octave in a 3-way box and the phase is nearly perfect. While the software and process are a bit cumbersome, the effectiveness is top notch.
I use REW for measurements and I did an initial active crossover with minidsp and my buckeye 6 channel hypex amplifier in order to get an idea of where I would land.Would you care to share the steps and setup for measurement and calculation? I would be very interested as I've just finished my first build. Thanks a lot!
It's 1500 taps per filter on the output OR 4500 taps globally. If you use them on the output then you're using them in the crossover. If you use them on the input then you're using them globally which is not effecting the crossover, but it will affect the overall phase. If you use it globally (which I have never done) you will be putting attempting to put the phase back to flat. I recommend using it on the output where you can generate a flat phase crossover. Use RePhase to generate the filters then import them.hello,
I could use some more explanation too.
actualy, I use iir filter (1 lr4 on bass, 2 lr4 on mid and 1 lr4 on treble)
if I understand correctly I should take measurement of each drivers individually then apply 1500 taps fir filter ?
or
i have to apply a 4500 taps globally ?
thanks.
Thank you for your answer , I made fir filter for bass mid and treble , I will try it , I have a delay an the treble because They are 5 cm in front of the medium , I can just let the delay like on IIR filters ?It's 1500 taps per filter on the output OR 4500 taps globally. If you use them on the output then you're using them in the crossover. If you use them on the input then you're using them globally which is not effecting the crossover, but it will affect the overall phase. If you use it globally (which I have never done) you will be putting attempting to put the phase back to flat. I recommend using it on the output where you can generate a flat phase crossover. Use RePhase to generate the filters then import them.
Is there a place on Youtube or somewhere else that goes over a design from scratch using Hypex Fusion Amps? It seems like a well implemented active crossover with room correction can be far superior to a passive set up and much simpler and cheaper in the end.I use REW for measurements and I did an initial active crossover with minidsp and my buckeye 6 channel hypex amplifier in order to get an idea of where I would land.
Then I use RePhase to generate FIR filters and import them to hypex. Then I took measurements again. The cumbersome part is that it takes a while to get from RePhase to the hypex amp since you have to upload the file into the hypex.
So, get familiar with the hypex amplifier software and its settings. I have never used the measurement tool in them as I'm used to working in REW. Then, download RePhase and get used to that. PM me on here and I can help you with the rest as I don't have time to write it all out right now.
I don't really know the answer to that. You will have to try it and take measurements to see how the impulse response and phase look. I would imagine that it should work just fine.Thank you for your answer , I made fir filter for bass mid and treble , I will try it , I have a delay an the treble because They are 5 cm in front of the medium , I can just let the delay like on IIR filters ?
I don't really know anything on YouTube about it. I found some info on message boards and went with it but I'm used to active DSP so I was familiar with what needs to be done. A well implemented active crossover can definitely be superior in my experience since you can get a better phase and impulse response. Many people think that you can't hear the difference (and it has been tested to show this), but I think the difference is pretty clear (pun intended). Given the hypex and miniDSP capabilities along with affordable class D amplification, it can be much cheaper to use active crossovers. Pro Audio has been doing this for many years. But hifi seems to be struggling to get past the joy that some harmonic distortion brings.Is there a place on Youtube or somewhere else that goes over a design from scratch using Hypex Fusion Amps? It seems like a well implemented active crossover with room correction can be far superior to a passive set up and much simpler and cheaper in the end.
I have no idea. Ha! Does anyone on here know?Are they linear phase filter or minimum phase filter ?