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bay24's picture
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horrible airport express sound

Hi all hope you had a good Christmas!

Now I got an airport express as a present and surprisingly I managed to get it set up on my network quite quickly and was soon streaming spotify which was great but soon after I started the sound started cutting out and every now and then there is a horrible metallic jangling noise that comes through the music.
I was wondering if anyone has experienced this and if so how it was rectified? I thought it may be interference from all my plugs, cables and aerials which are all very close together. I have not got a long enough optical lead to try it from another socket further away at the moment and wanted to check it wasn't anything else before I paid out for a longer length optical cable to try out my theory.

Anonymous
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Re: horrible airport express sound

It could be a networking problem. Is your AE connecting to your network via a wireless router? Could you try it with an Ethernet cable to your router?

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Re: horrible airport express sound


It does sound like a combination of poor wireless reception and interference. Got any mobile/wireless phones anywhere close by? Have you tried the Airport Express wired directly into the router?

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Re: horrible airport express sound

No I havent tried connected to the router, would prefer not to have it wired though but will give it a go when all the fammily have finished eating all of our food and if no joy I will get a longer optical lead!

I think the wireless reception should be ok as it is all in the same room and I have used my iphone to stream in the past. there is a wireless home phone right next to the router, could that cause interference?

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Re: horrible airport express sound

How do you stream spotify or anything else through the AE?

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Re: horrible airport express sound
bay24:there is a wireless home phone right next to the router, could that cause interference?



Oh yes...

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Re: horrible airport express sound
Hems:How do you stream spotify or anything else through the AE?



I use airfoil to stream to the AE and for the i phone there is something called airfoil speakers touch which lets you stream any music that is is on on your computer to the iphone, was great to test out if i wuld use spotify enough to justify the premium subscription.

Once again John thank you very much for your knowledge, I will have a tinker this evening and report back!

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Re: horrible airport express sound


No probs.

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Re: horrible airport express sound

turned the phone off and so far so good......

Anonymous
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Re: horrible airport express sound

Almost any wireless device, plus microwave ovens, use the same radio frequencies as computer networks, and may interfere with them. Also the building itself (heavy concrete walls, any metal and technical installations inside the walls) might make things difficult.

First of all, in AirPort Utility choose a channel that's not used by another local network (there's lots of free or inexpensive software that let you check things like that). If one unused channel don't solve your problems, try another one.

Then, use as few wireless devices as possible, and don't put any of them close to the AirPort stuff or wi-fi routers.

You might also need to experiment a little to find the ideal location for the AP devices. Often only a couple of inches will make a difference. 

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Re: horrible airport express sound

Thanks fahnsan

I moved the phone which semed to help but it is still making the odd metallic sound at times I may experiment with the channels to see if that helps. Am going to see what it is like with a wired connection and moving the AE itself about.

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Re: horrible airport express sound

Hi,

How do you change the channel? I have been looking at the airport utility for a while now and cant find the option. I am not the best with computers so it could just be me being stupid.

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Re: horrible airport express sound

ok so I am on a channel that is not used by other local networks, I have moved the AE away from the plugs and wires and moved the digital phone into another room but I am still getting the metallic noise in the music. I think it may be less than before but not by much.
I also tried it wired to the router and it seemed to get even worse so have gone back to wireless. I am realy confused as I didnt think a wired conection from the router would be able to get interfearence from things as it is not having to use the wireless network.
my next plan is to move the AE with a long optical lead to right next to the router to see if this helps but after that I am a bit of a loss. does anyone have any other ideas? it seems amazing to me that a wireless devise that is designed to stream things would not be able to do so from a router that is in the same room!

Anonymous
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Re: horrible airport express sound

i presume your streaming from a pc so id check the settings including the sound card settings spotify settings airfoil settings and so on first

also try ripping a cd to lossless and streaming that if it sounds fine then its not the ae nor the network that is the problem 

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Re: horrible airport express sound

OK I have not had any joy with anything I have tried up until now. I thought I would try my headphones in the AE instead of an optical to my 740C and the metallic noise and the blips stopped. does this mean that I have a dodgy connection via optical? I have tried two cables and it happens with both. the connection at the CD player end should be OK as I have not had any problems with other devices sound when going through it so to my mind the only thing it could be is the AE end connection which is a cheap toslinc to mini jac conector from maplins. Could this cause the metallic sound and blips?

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Re: horrible airport express sound

This is an odd one - how long did you try with the headphones? If it really has no issue when using the headphones, it does rather suggest it's either the optical cable, or something within the AE when it's sending out the digital signal rather than the analogue signal going to the headphones. To test this, do you have any standard 3.5mm to RCA phono leads?

 

You could use this lead to plug from the AE into the amp using an analogue connection and see how it is then. This also rules out anything going on within the amp itself.

 

The owls are not what they seem...

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