From: Christian Hoene <hoene@uni-tuebingen.de>
To: BlueZ development <bluez-devel@lists.sourceforge.net>
Cc: 'Frans de Bont' <frans.de.bont@philips.com>
Subject: Re: [Bluez-devel] FW: REALLY Bad encoding performance of Linux SBC audio codec
Date: Thu, 30 Oct 2008 16:20:52 +0100 [thread overview]
Message-ID: <1225380052.4626.8.camel@hoene-desktop> (raw)
In-Reply-To: <001d01c93a9f$6f2c8710$4d859530$@de>
Hello,
the sound quality got better. Still, both encoder and decoder are not as
good as the reference.
For example, not the audio quality measured with ODB(BV) is
Algorithm
ODG(BV)
In0Filename
In1Filename
PEAQBasic
-1.99
ref.wav
tmp.bluez.wav
PEAQBasic
-1.5
ref.wav
tmp.bluezref.wav
PEAQBasic
-0.82
ref.wav
tmp.refbluez.wav
PEAQBasic
-0.44
ref.wav
tmp.ref.wav
If I use the simple perceptual model of the reference implementation
(option -p), the encoding quality get even better.
Algorithm
ODG(BV)
In0Filename
In1Filename
PEAQBasic
-1.99
ref.wav
tmp.bluez.wav
PEAQBasic
-1.5
ref.wav
tmp.bluezref.wav
PEAQBasic
-0.55
ref.wav
tmp.refbluez.wav
PEAQBasic
-0.17
ref.wav
tmp.ref.wav
Here the old values before Frans's patch
Algorithm
ODG(BV)
In0Filename
In1Filename
PEAQBasic
-1.5
ref.wav
tmp.bluezref.sw.wav
PEAQBasic
-3.89
ref.wav
tmp.bluez.sw.wav
PEAQBasic
-3.88
ref.wav
tmp.refbluez.sw.wav
PEAQBasic
-0.44
ref.wav
tmp.ref.sw.wav
Greetings
Christian
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next prev parent reply other threads:[~2008-10-30 15:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-30 14:54 [Bluez-devel] FW: REALLY Bad encoding performance of Linux SBC audio codec Christian Hoene
2008-10-30 15:20 ` Christian Hoene [this message]
2008-10-30 15:46 ` Luiz Augusto von Dentz
2008-10-30 16:07 ` Christian Hoene
2008-10-30 18:02 ` Marcel Holtmann
2008-10-30 18:03 ` Marcel Holtmann
2008-10-30 18:48 ` Brad Midgley
2008-10-31 10:23 ` Christian Hoene
2008-10-31 11:10 ` Craig Southeren
2008-10-31 18:50 ` Marcel Holtmann
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