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Convolution Processing Time MC30 Slower

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The Computer Audiophile:

--- Quote from: eve on November 29, 2022, 12:21:52 pm ---Extremely impressive setup mate. Thanks for the detailed writeups. I love your approach to Atmos. For me personally, there isn't really an alternative to the control and flexibility offered by a PC, and thus, I pretty much require decoded audio. It seems quite restrictive relying on a pre-pro for this stuff when you have the skills to do on your own. You're locked into that specific DSP and have no access to the processing power or software improvements that a PC based source can provide.

That's pretty much how I assumed you had the Anubis setup though, maybe this is incorrect but do the audio streams have to even go in to it so to speak?
I was reading your write up and I guess my question is, can't the audio stream go direct into the HAPI with the Anubis just telling the HAPI 'hey pick this stream and here's the volume / channel trim to use'?
It's essentially inconsequential because your system clearly works (and the Anubis is a gorgeous control surface regardless).
The reason I ask is because I'm curious if a system like this would be fine WITHOUT an Anubis if I wanted to integrate my own software controller to handle volume, source selection, etc.

--- End quote ---

I'm with you 100%. There's no way I will use a processor in my system.

The audio stream can go directly to the HAPI if you don't have an Anubis, but then you have to control the volume via the knob on the front panel of the HAPI. I suppose you could do volume conotrol on a PC/Mac though, but I haven't tried it.

When using the Anubis, all audio must route through it.

One awesome thing about using a computer as a source without a processor is the ability to use 65,000 tap convolution filters for room correction in the time and frequency domain. No processor in the world can come close to this.

eve:

--- Quote ---The audio stream can go directly to the HAPI if you don't have an Anubis, but then you have to control the volume via the knob on the front panel of the HAPI. I suppose you could do volume conotrol on a PC/Mac though, but I haven't tried it.

--- End quote ---
Yeah, that's sort of what I was thinking. I write custom web interfaces / integrations for a lot of the things I use to better tie them together. That's actually one of the reasons I find this no nonsense, audio over IP stuff so interesting (the simple packetization & timestamping of audio data is a huge draw as well)


--- Quote ---One awesome thing about using a computer as a source without a processor is the ability to use 65,000 tap convolution filters for room correction in the time and frequency domain. No processor in the world can come close to this.
--- End quote ---
There's just no equal. I completely understand the 'convenience' factor of a dedicated processor but, there's just a hard ceiling on what they can do, they're stuck with very stagnant DSP.
 I'd rather have rock solid D/A and handle feeding it on my own.
I do the same with video, it's almost absurd to NOT take advantage of extremely capable GPUs to handle scaling.

Regardless, we've veered quite off topic. I hope they can sort out these performance issues, your system should be more than capable of handling this if it's the one you've outlined previously.

The Computer Audiophile:

--- Quote from: eve on November 29, 2022, 01:18:19 pm ---Yeah, that's sort of what I was thinking. I write custom web interfaces / integrations for a lot of the things I use to better tie them together. That's actually one of the reasons I find this no nonsense, audio over IP stuff so interesting (the simple packetization & timestamping of audio data is a huge draw as well)
There's just no equal. I completely understand the 'convenience' factor of a dedicated processor but, there's just a hard ceiling on what they can do, they're stuck with very stagnant DSP.
 I'd rather have rock solid D/A and handle feeding it on my own.
I do the same with video, it's almost absurd to NOT take advantage of extremely capable GPUs to handle scaling.

Regardless, we've veered quite off topic. I hope they can sort out these performance issues, your system should be more than capable of handling this if it's the one you've outlined previously.

--- End quote ---
OK one last off topic post. It would be really cool if someone could write a web or other hardware interface that controls the HAPI’s volume remotely. Not sure the API is there, but it’s got to be possible.

eve:

--- Quote from: The Computer Audiophile on November 29, 2022, 01:46:40 pm ---OK one last off topic post. It would be really cool if someone could write a web or other hardware interface that controls the HAPI’s volume remotely. Not sure the API is there, but it’s got to be possible.

--- End quote ---
It's almost certainly possible, even if it needs to be done in a bit of a 'round about' manner.
If I ever get my hands on a HAPI I'll probably have something for you.
I've been digging into the idea of incorporating Dante into my setup using Via, I think it shows a ton of promise. The latency is going to be my biggest possible 'hitch' once video is in the mix.

zoom+slomo:

--- Quote from: The Computer Audiophile on November 28, 2022, 04:54:36 pm ---I’m using Anubis and HAPI Mk2. Fantastic solution. Yes, multiple NADACs can be synced together.
--- End quote ---
Multiple NADACs? What are they; $11K each? Of course, forums that run DCS banners are bound to have members with money to burn, but what's infuriating about MCH DACs like the Hapi is the paucity of any inclusive, user friendly, cost effective master and basic volume/mute remote. When I suggested issuing such a handheld device, Rune or another Merging support person argued that Hapi is targeted to the Pro Audio market (really?) and who prefer wirED remotes. They suggested adding Anubis (> $2K) or opting for NADAC ($11K). Really? That kind of money to get master volume/mute remote control? And Anubis is wirED box. Indeed, a   well known CE hardware reviewer and Hapi owner recently said that he got the same reply upon making this request.

As for JRemote, my iPhone 7+ has been great as a phone, a flashlight and a quick and nice YouTube player. But as a handheld volume/mute, for what I expect to be a pretty high end sounding 3.1 home theater system, its heavy 3” wide mass would be total hell to fumble with. Seriously, we’ve all had years of experience with Oppo and Pioneer BD player remotes to know what kind of remote would and would not be an ergonomic nightmare, so let’s not kid ourselves or insult anyone’s intelligence over these facts. 

I just wish that more great sounding sensible MCH DAC solutions for home users, like the Okto Pro 8, were available, but which had the Hapi’s range of output voltage, so I wouldn't have to play insane guessing games over any problematic gain loss issues that could arise when applying filters created with DIRAC Live or other room correction software.

At least Okto had no issues including a wireless remote with the DAC 8 Pro, of course.

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