[maemo-users] N810 integrated left speakers sound quality

From: Tim Ashman tim at ashmans.net
Date: Fri Jan 25 16:36:44 EET 2008
I did the left and right tests on my n810, and hear the pitch in both speakers from 1 sec until around 38 seconds where I'm sure my rock and roll ears give out.

Sorry to say, It looks like something is wrong with your device. 


----- Original message -----
From: Jean-Christian de Rivaz <jc at eclis.ch>
To: maemo-users at maemo.org
Sent: Fri Jan 25 2008 06:10:55 AM PST
Subject: N810 integrated left speakers sound quality
Compared to the N800, my new N810 have a pore sound quality using the 
integrated left speakers. I first have think that the N810 only have a 
right speaker playing the right channel only. But after several tests I 
cam to the conclusion that the N810 have also a left integrated speaker 
playing the left channel, but with a very poor sound, especially at low 

I used this page to get some sound test files:

On my N810 the right sweep test 
http://users.skynet.be/fa046054/home/P22/track26.mp3 sound fine. The 
sound is loud and clear even in the first second of the track when low 
frequency are played. But the left sweep test 
http://users.skynet.be/fa046054/home/P22/track24.mp3 sound disappointing 
in the first 20 seconds. Almost nothing are audible in the first second 
of the track when low frequency are played. After about 20 seconds, the 
sound is more comfortable but I still get the feeling that it is not as 
loud as in the right test.

Finally when playing the drum solo stereo test 
http://users.skynet.be/fa046054/home/P22/track39.mp3 I almost not here 
the left channel, only crappy noise when the drum sound should can from 
the left channel.

So I wonder if my N810 have a fault in his speaker left channel, if this 
is a design problem, or if this can be a software problem (error in a 
DSP code ?). Can someone try to test his N810 using the above URLs and 
share his experience ? Only the integrated speaker is to test, the line 
out jack sound very good.

Apart this sound issue (that can be only on mine), the N810 is a superb 

Thanks in advance,
Jean-Christian de Rivaz
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