From: "Christian Hoene" <hoene@uni-tuebingen.de>
To: "'Marcel Holtmann'" <marcel@holtmann.org>
Cc: "'Siarhei Siamashka'" <siarhei.siamashka@nokia.com>,
<linux-bluetooth@vger.kernel.org>
Subject: RE: [PATCH] sbc: bitstream packing optimization for encoder.
Date: Fri, 12 Dec 2008 16:49:08 +0100 [thread overview]
Message-ID: <00cc01c95c71$2b663c30$8232b490$@de> (raw)
In-Reply-To: <1229095847.22285.93.camel@violet.holtmann.net>
> > The sound quality of the fix point implementation still remains below
> of the
> > quality of the floating point version.
> >
> > Maybe, we shall support both depending on the performance
> requirements?
>
> I think we should focus a fixed point version. There should be no need
> for floating point at all. If fixed point isn't good enough, then we
> screwed it up.
>
> And in case of embedded devices we are seriously limited with floating
> point and doing that in software just doesn't work out. And this is
> mostly not directly a performance problem. It is more a power
> consumption problem. We don't wanna have A2DP drain the battery.
>
It would help if we use 64 bit integers if a good sound is required but this
is again a problem for embedded devices.
Regards
Christian
>
next prev parent reply other threads:[~2008-12-12 15:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-11 20:27 [PATCH] sbc: bitstream packing optimization for encoder Siarhei Siamashka
2008-12-12 1:39 ` Marcel Holtmann
2008-12-12 9:37 ` Siarhei Siamashka
2008-12-12 11:04 ` Marcel Holtmann
2008-12-12 15:23 ` Christian Hoene
2008-12-12 15:30 ` Marcel Holtmann
2008-12-12 15:49 ` Christian Hoene [this message]
2008-12-12 15:56 ` Marcel Holtmann
2008-12-12 16:01 ` Siarhei Siamashka
2008-12-17 14:16 ` Siarhei Siamashka
2008-12-12 16:07 ` Siarhei Siamashka
2008-12-16 21:46 ` Siarhei Siamashka
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