[alsa-devel] Creative X-Fi USB 5.1 Driver

[Lee Revell]

On Wed, Feb 4, 2009 at 11:57 AM, Mandar Joshi <emailmandar at yahoo.com> wrote:
>>>Does this mean thet the X-Fi,Crystalizer features of the USB X-Fi are implemented purely in software?
> I think this might be the case.
> I started SniffUSB under WindowsXP and tried changing the settings using
> the audio console software provided by Creative.
>
> When changing the Speaker selection (2.1/4.1/5.1), data is sent over usb to the device.
> However, when I try to change the settings for the X-Fi Crystalizer or EAX or CMSS-3D or Graphic Equalizer
> nothing gets sent to the device but the audio output does change and I am able to hear the corresponding effects.
>
> And as mentioned in my previous post, the lsusb output doesn't show any effect descriptors or feature units
>
> If this is in fact true that all the xtreme fidelity(X-Fi) stuff is happening in software alone, my purchase has been
> a total waste!! Does anybody on this list have a USB X-Fi 5.1 that they can use to verify my observations?

Yes, all the effects are done in software.  Even on many PCI cards
Creative implements the effects in the Windows driver.

Lee