Re: SBC optimizations
"Cidorvan Leite" <[email protected]>
| Newsgroups | gmane.linux.bluez.devel |
|---|---|
| Message-ID | <[email protected]> |
Hi Brad! I would say: "I am not sure if last version(64bits) of decode with 4 subbands is correct about overflows." On Fri, Feb 22, 2008 at 11:00 AM, Cidorvan Leite <[email protected]> wrote: > Hi Brad! > > The volume drop is not significant. > Comparing the versions, I didn't see any change in quality with my > headphone, so I think that we can change to 32bits. > By the way, I am not sure if last version of decode with 4 subbands is > correct about overflows. > > > > On Thu, Feb 21, 2008 at 10:58 PM, Brad Midgley <[email protected]> wrote: > > Cidorvan > > > > How significant is the volume drop in 4 subbands? Should we just leave > > the decoder at 64 bit mults so we don't needlessly suffer quality > > issues on faster platforms? > > > > Brad > > > > > > > > On Thu, Feb 21, 2008 at 3:29 PM, Cidorvan Leite <[email protected]> wrote: > > > Hi! > > > > > > I replaced the 64bits multiplies by 32bits and fixed the volume, now > > > the encode and decode are >10% faster. > > > Unfortunately, I couldn't keep the same volume for decode with 4 subbands... > > > > > > ------------------------------------------------------------------------- > > > This SF.net email is sponsored by: Microsoft > > > Defy all challenges. Microsoft(R) Visual Studio 2008. > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > > _______________________________________________ > > > Bluez-devel mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/bluez-devel > > > > > > > > > > > > > > -- > > Brad > > > > ------------------------------------------------------------------------- > > This SF.net email is sponsored by: Microsoft > > Defy all challenges. Microsoft(R) Visual Studio 2008. > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > _______________________________________________ > > Bluez-devel mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/bluez-devel > > > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/