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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>
References: <200812112227.07170.siarhei.siamashka@nokia.com>	 <1229045974.22285.18.camel@violet.holtmann.net>	 <200812121137.18041.siarhei.siamashka@nokia.com>	 <1229079849.22285.43.camel@violet.holtmann.net>	 <00c801c95c6d$9953dad0$cbfb9070$@de> <1229095847.22285.93.camel@violet.holtmann.net>
In-Reply-To: <1229095847.22285.93.camel@violet.holtmann.net>
Subject: RE: [PATCH] sbc: bitstream packing optimization for encoder.
Date: Fri, 12 Dec 2008 16:49:08 +0100
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> > 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


>