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[Q] Hissing Audio Issue

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Brassic
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Question [Q] Hissing Audio Issue

Hi Guys,

I've recently purchased a Moto E XT1021 and am dismayed that it has the same audio hissing issue that some of the LG phones have suffered from. The exact problem is demonstrated on a YouTube video entitled "LG G2 KitKat Audio Issues (hissing noise)".

It appears that LG have acknowledged the problem but I wondered if anyone was aware of an existing or future fix that will work on the Moto E? I've tried the latest stock, CM11 and SlimKat ROMs but the hissing is present on all of them. This is very annoying when listening to soft music like piano pieces.

I don't want to purchase any more headphones because I already own several branded pairs that sound great on my other devices.

I've tried the suggested solutions of turning off DSP effects, using aeroplane mode, using PowerAmp etc. but these don't impact on the hissing.

Cheers.
 
quazar666
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Originally Posted by Brassic View Post
Hi Guys,

I've recently purchased a Moto E XT1021 and am dismayed that it has the same audio hissing issue that some of the LG phones have suffered from. The exact problem is demonstrated on a YouTube video entitled "LG G2 KitKat Audio Issues (hissing noise)".

It appears that LG have acknowledged the problem but I wondered if anyone was aware of an existing or future fix that will work on the Moto E? I've tried the latest stock, CM11 and SlimKat ROMs but the hissing is present on all of them. This is very annoying when listening to soft music like piano pieces.

I don't want to purchase any more headphones because I already own several branded pairs that sound great on my other devices.

I've tried the suggested solutions of turning off DSP effects, using aeroplane mode, using PowerAmp etc. but these don't impact on the hissing.

Cheers.
Interesting, I did not notice this. Also after extended listening with a good headset. Maybe it differs between batches? Ive also got an XT1021.
 
Brassic
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Originally Posted by quazar666 View Post
Interesting, I did not notice this. Also after extended listening with a good headset. Maybe it differs between batches? Ive also got an XT1021.
Thanks for confirming that.

Are you using in-ear headphones? All mine are 16 or 32 ohm and are the ear-canal type. My phone was purchased in the UK.
 
quazar666
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Also got an UK phone and used a Sure in-ear headphone....
Will double check tomorrow!
 
Brassic
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Nice one.

I've just located my old Sony MDR-V6 'over-ear' headphones and they have no hiss when connected to my Moto E. However, this doesn't surprise me because I've seen the interesting thread, http://forum.xda-developers.com/show....php?t=2611599, regarding the poor Opamp on the Moto G.

I'm still curious whether this can be 'fixed' with a software patch or if it's purely down to poor audio hardware. It seems pretty lame that a device from 2013/2014 can sound as bad as the old cassette tapes from my childhood.
 
quazar666
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(Last edited by quazar666; 1st August 2014 at 09:24 AM.)
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Wow, there really is quite some hissing when using my Sure headphone
Don't know why I did not notice this before....

My other headphones sound great!
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