Bluetooth latency?

Hands Free Page Turner App for iGigBook
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bleakanddivine
iGigBook User
Posts: 3
Joined: Mon Jun 27, 2011 9:23 am

Bluetooth latency?

Post by bleakanddivine » Tue Apr 17, 2012 6:29 am

Hi
I'm really interested in the page turner app, which I've just started using for big band charts. I managed to get my ipod touch and ipad talking to each other easily enough, but I have a problem with the variable latency. Some page turns happen almost instantaneously, and others take fully 4 to 5 seconds to action, which is no good at all - I miss the first few bars of the next page. Is this just a downside of the bluetooth environment, or is it just the way the ipad works, as I've noticed that this behaviour is pretty similar when just using manual tapping to change pages - some are immediate,others are not. If it is bluetooth latency, do all the bluetooth pedals suffer from this as well? Anyone know if the wired Footime pedal overcomes this?

Thanks
Jonathan

bleakanddivine
iGigBook User
Posts: 3
Joined: Mon Jun 27, 2011 9:23 am

Re: Bluetooth latency?

Post by bleakanddivine » Tue Apr 17, 2012 7:20 am

OK, I've played around with this a bit more and discovered that the page turning times are directly related to the size of the pages involved, not surprising really. I have a band book that at the moment consists of:

a) some charts that I just photographed and converted into pdf pages. These have page sizes of approx 100kb each page, and turn pretty quickly, say about a second, and
b) some charts that I generated myself as pdfs with Musescore. These have pages sizes in the region of 3-400kb each page. These take corresponding 3-4 times as long to turn pages in.

The photo'd pages were just a temporary thing as the quality is pretty rough, and some are badly handwritten, so my long term goal was to generate them all as more easily readable pdfs with Musescore. Looks as if I am not going to be able to turn pages at all quickly with these, whether manually, bluetooth, or wired, beacause of the file sizes.

Jonathan

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Phil Smith
iGigBook Specialist
Posts: 2272
Joined: Tue Oct 19, 2010 8:00 pm

Re: Bluetooth latency?

Post by Phil Smith » Tue Apr 17, 2012 9:11 am

There is some good information provided by the user robipad concerning this issue in this thread:

viewtopic.php?f=2&t=373&p=1522&hilit=slow+page#p1522
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