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#2885897 - 10/19/17 09:04 AM Re: Ravenscroft 275 for iOS [Re: keyman27]
Reezekeys Offline
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Registered: 02/07/11
Posts: 2699
Loc: NYC area
Originally Posted By: keyman27
Wouldn't a higher sample rate result in LESS latency?

Would the interface make a difference in latency? In other words, would there be any difference between using the little on-board headphone jack vs. an interface that connects via Lightning?

Yes a higher sample rate would reduce latency, all other things being equal. But it also requires more processor juice. I mentioned lowering the sample rate as one of the steps taken to give the processor more headroom, to avoid buffer underruns.

I don't know the answer to your second question as I don't use iOS for anything music related other than listening to songs in my car. In the computer world interfaces do matter, as manufacturers often write their own drivers. I'm not sure if Apple gives iOS developers the same amount of latitude.

Personally I don't get hung up on numbers. I started years ago with a Mac G4 laptop rig at a 512 buffer and while I could feel some sluggishness on a few sounds (mostly those with percussive attacks) I was able to adapt to it. I think the question here is whether the portability and convenience of an iPad VI outweighs the compromises of possibly having to make these adjustments for trouble-free playing. For some I'm sure it will. A really good piano VI is a pretty demanding piece of software if you want low latency with no clicks & pops. I have no doubt there will be iPads in the coming years that'll equal the performance we get from our MacBook Pros and Windows laptops. Maybe the new iPad Pro is already there, I don't know.

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#2885918 - 10/19/17 10:13 AM Re: Ravenscroft 275 for iOS [Re: Reezekeys]
AnotherScott Offline
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Registered: 10/19/09
Posts: 12322
Originally Posted By: RoadHousePiano
I will say that the 512 buffer seemed a lot more playable and responsive than trying to play at the same setting using my macbook and a piano VST. Might just be my imagination....but I wouldn't consider using any of my piano VSTs with a 512 buffer on my laptop.

At 44.1 kHz, 512 buffer = 11.6ms, that's fixed. It can't be any less. However, if there are other things that are contributing to latency, it can be more, as the different sources of latency will be additive.

In general (not specific to Ravenscroft or iOS), I find 256 acceptable, and 128 great. I would not enjoy playing piano at 512. If 512 was the best I could get in a given software environment, I'd trade-off sound quality if need be and play whatever piano sound is in my board.

Originally Posted By: Reezekeys
Lower the sample rate, disable reverb, increase the buffer. Sounds like a lot to deal with just to get a playable piano, even if the samples themselves are gorgeous.

The blessing and curse of iOS is that, really, there's very little you can do. Usually, a given app either works well enough for you or it doesn't. I doubt most people do anything more than try adjusting the buffer, and honestly, I'm not sure any other change would even make a difference. (The fact that someone here suggested something else doesn't tell us anything about the chances of it working. ;-) ) The ability to tweak the performance of an iPad is minimal. You can do a little more on a Mac. You can spend your life doing it in Windows. Or you buy a Kronos/Montage/Forte/Nord/whatever.

I assume the Ravenscroft makes more demands on an iPad than some other pianos do, which I would expect would at least impact its ability to play well with others if you're trying to run multiple apps at once, especially on a less modern iPad. But I'd be curious to know if people find that, on a given i-device, they actually need to set the buffer to a higher number than they do for other piano apps they've tried.

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#2932457 - 06/12/18 02:14 PM Re: Ravenscroft 275 for iOS [Re: keyman27]
tfort Offline
Senior Member

Registered: 05/06/16
Posts: 233
Ravenscroft 275 iOS is on sale for half off ($18) from today through June 18th.

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#2932529 - 06/13/18 05:53 AM Re: Ravenscroft 275 for iOS [Re: keyman27]
Six-string-man Offline
Platinum Member

Registered: 08/06/13
Posts: 1398
Loc: U.K.
Just announced today AFAIK. App on 50% discount for five days. Offer closes Monday 18 June. If you were sitting onthe fence, now is your chance!
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#2932533 - 06/13/18 06:37 AM Re: Ravenscroft 275 for iOS [Re: Six-string-man]
Bobby Simons Offline
Senior Member

Registered: 12/28/17
Posts: 242
Loc: Northport, L.I., NY
Already had R275, but I did grab that Beathawk app. Seems like it would pass the time on a flight or the train. Some of the IAP sound packs sound great. . .


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#2932587 - 06/13/18 10:44 AM Re: Ravenscroft 275 for iOS [Re: Bobby Simons]
Six-string-man Offline
Platinum Member

Registered: 08/06/13
Posts: 1398
Loc: U.K.
Originally Posted By: Bobby Simons
Already had R275, but I did grab that Beathawk app. Seems like it would pass the time on a flight or the train. Some of the IAP sound packs sound great. . .




I grabbed it too Bobby, and you're right, some of the sound packs sound wonderful. Trouble is, I spent over 60 in under 20 minutes........
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#2932600 - 06/13/18 11:57 AM Re: Ravenscroft 275 for iOS [Re: Six-string-man]
Bobby Simons Offline
Senior Member

Registered: 12/28/17
Posts: 242
Loc: Northport, L.I., NY
Yeah. I'll wait until I actually start using it before I invest any more.

As it is, I already have so many great iOS apps that I hardly ever launch. It's the fatal attraction of these 10 buck synths - it seems silly not to buy them when you used to spend thousands for the same aural wonders. I'm collecting them like baseball cards - with all the effort of a scan of my thumbprint. Crazy.

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#2932788 - 06/14/18 01:50 PM Re: Ravenscroft 275 for iOS [Re: Bobby Simons]
GovernorSilver Offline
MP Hall of Fame Member

Registered: 03/22/06
Posts: 5772
Loc: Washington DC
Beathawk might be tied with Gadget for siphoning the most money out of my pocket via IAPs. Several months ago, there was a 50% off sale for Beathawk IAPs, so I bought the IAPs for flamenco, Indian music, Turkish music, etc.
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#2932821 - 06/14/18 05:30 PM Re: Ravenscroft 275 for iOS [Re: GovernorSilver]
brenner13 Offline
Platinum Member

Registered: 12/12/10
Posts: 1067
Loc: Kansas
Dang it! Just can't kick this app addiction. Really didn't need yet another beat-machine / music production app, but BeatHawk is dern cool.

Must...
Resist....
IAP's.......
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#2932874 - 06/15/18 03:09 AM Re: Ravenscroft 275 for iOS [Re: GovernorSilver]
Six-string-man Offline
Platinum Member

Registered: 08/06/13
Posts: 1398
Loc: U.K.
Originally Posted By: GovernorSilver
Beathawk might be tied with Gadget for siphoning the most money out of my pocket via IAPs. Several months ago, there was a 50% off sale for Beathawk IAPs, so I bought the IAPs for flamenco, Indian music, Turkish music, etc.



You are the picture of restraint. There is a 50% sale atm, and I scrolled through the 40 odd soundbanks, thinking "Oh, that sounds good, it's only a couple of pounds.....". Before I knew what I'd done, I'd bought more than half of them.
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#2932954 - 06/15/18 12:15 PM Re: Ravenscroft 275 for iOS [Re: Six-string-man]
GovernorSilver Offline
MP Hall of Fame Member

Registered: 03/22/06
Posts: 5772
Loc: Washington DC
Here's the demo video that got me to buy the Spanish Gypsy IAP for Beathawk... quickly followed by other IAP purchases.

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