USB 'not so' random - Kia Forum
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post #1 of 16 (permalink) Old 05-18-2010, 09:19 AM Thread Starter
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Question USB 'not so' random

When I plug in a USB key to play mp3's in my Ceed, I generally like to play all tracks in a random order.
So, once the USB starts playing i hold down the RDM button for a few seconds so it activates the 'all random' function (rather than just random within the particular album which is playing which is done by a quick press of the RDM button)..... anyway, when I do this the audio system ALWAYS starts playing the same 'random' tracks in the same 'so called' random order meaning it's not very random at all.

I expected that whenever I started it playing in 'all random' mode that it would start playing a different track each time.... but on every journey when I do it, it keeps starting and playing the same 'random tracks' in the same order.

Has anyone else noticed this or found a way to fix it so the 'all random' function for the USB truly is random??

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post #2 of 16 (permalink) Old 05-18-2010, 12:50 PM
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That's a problem for me too.
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post #3 of 16 (permalink) Old 05-19-2010, 02:25 AM
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I don't have USB but CDs perform the same way for me.
It's a crappy device and I'm closer and closer to replacing it completely.
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post #4 of 16 (permalink) Old 05-20-2010, 02:01 AM
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I have the same problem with my 2010 SW 3 facelift; random is not truly random. Starts with the same track every time.
That was not the case with my previous car; a 2007 SW LS. That worked properly.
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post #5 of 16 (permalink) Old 05-20-2010, 06:49 AM
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Computers are notorious for random-ness, it is very hard to program a true random number generator on a computer as nothing in the computer is random! A small, simple computer such as that inside the Kia will not have a great random number generator.

There has been a lot of research into how to generate true random figures on a computer, one method I read was to have a microphone inside the computer and use the decibels and part of the random generator to generate random numbers, but even that method has flaws.

I wouldn't expect it to be that great and in all fairness, I've never used it.

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post #6 of 16 (permalink) Old 05-21-2010, 02:23 AM Thread Starter
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Thanks for the replies.... Glad it's not just me that is having this issue.
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post #7 of 16 (permalink) Old 01-13-2011, 12:18 AM
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My 2010 facelift SW 3 was at the dealers last week to have the driver's door catch replaced. Whilst there, they said that there was a Kia update for the audio system and they would install it.

The USB random feature now works as it should, i.e. starts at a different track each time. Previously it would always go to the same track and then play tracks in the same random sequence as on previous occasions. I haven't tried it on CDs yet.

Last edited by Adriano; 01-13-2011 at 12:20 AM. Reason: mistake
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post #8 of 16 (permalink) Old 01-14-2011, 02:41 AM
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Interesting...I hope there is an update for 2008 (U1) models...
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post #9 of 16 (permalink) Old 01-14-2011, 02:18 PM
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Quote:
Originally Posted by Adriano View Post
My 2010 facelift SW 3 was at the dealers last week to have the driver's door catch replaced. Whilst there, they said that there was a Kia update for the audio system and they would install it.

The USB random feature now works as it should, i.e. starts at a different track each time. Previously it would always go to the same track and then play tracks in the same random sequence as on previous occasions. I haven't tried it on CDs yet.
did they charge you for it?

might drop the car into the dealers on monday.
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post #10 of 16 (permalink) Old 01-14-2011, 04:30 PM
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Quote:
Originally Posted by Alize View Post
Computers are notorious for random-ness, it is very hard to program a true random number generator on a computer as nothing in the computer is random! A small, simple computer such as that inside the Kia will not have a great random number generator.
A random-like feature is easily generated from time of day. It is ultimately deterministic unlike a true random number but certainly more than adequate to change a sequence of audio tracks. This simple stuff doesn't need a rocket scientist.

The entire dashboard software - including the climate control - turns out to be a bit of a Friday afternoon job. It all works after a fashion but clearly no time was given to polish it.
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