Creative X Fi Drivers

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The X-Fi (for "Extreme Fidelity") was released in August 2005 and was initially released in XtremeMusic, Platinum, Fatal1ty FPS, and Elite Pro configurations.
Three additional models were added in October 2006; the X-Fi 'XtremeGamer', X-Fi 'Xtreme Audio' and the X-Fi 'XtremeGamer Fatal1ty Pro'.

For Creative SXFI AMP


SXFI App
REQUIRED

cards (CA0106-WBTLF) and thus lacks the hardware acceleration of 3D sound and EAX sound effects, gaming and content creation features and the I/O extensibility of all the other X-Fi models.

It is not marketed as supporting gaming or EAX.

SXFI Control Software
OPTIONAL; for Windows PC and macOS

Creative also released an external solution (named x-mod) in November 2006 which is listed in the same category as the rest of the X-Fi lineup, but is only a stereo device, and lacks the specifications of the internal offerings.

The 130 nm EMU20K1 audio chip operates at 400 MHz and has 51 million transistors.

For Creative SXFI AIR


SXFI App
REQUIRED

The computational power of this processor, i.e. its performance, is estimated as 10,000 MIPS (million instructions per second), which is actually about 24 times higher than the estimated performance of its predecessor—the Audigy processor.

It is interesting to note that the processor’s computational power is optimized for the work mode selected in the software.

SXFI Control Software
REQUIRED for Windows PC and macOS without Bluetooth support

With the X-Fi's "Active Modal Architecture" (AMA), the user can choose one of three optimization modes (Gaming, Entertainment, and Creation), each of which enables a different combination of the features of the chipset. The Xtreme Audio model lacks the EMU20K1 chip and thus only supports the "Entertainment" mode via software emulation, while all other models support all three modes.

X-Fi models that support "Gaming" mode use EAX 5.0, which supports up to 128 3D-positioned voices with up to four effects applied to each.

SXFI AIR Control App
OPTIONAL; for Mobile Devices

The X-Fi, at its release, offered some of the most powerful mixing capabilities available, and made it a powerful entry-level card for home musicians.

The audio processor on X-Fi was by far the most powerful at its time of release, offering an extremely robust sample rate conversion (SRC) engine in addition to enhanced internal sound channel routing options and greater 3D audio enhancement capabilities.

For Creative SXFI AIR C


SXFI App
REQUIRED

A significant portion of the audio processing unit was devoted to this resampling engine. The SRC engine was far more capable than previous Creative sound card offerings, a limitation that had been a major thorn in Creative's side.

Most digital audio is sampled at 44.1 kHz, a standard no doubt related to CD Digital Audio, while sound cards were often designed to process audio at 48 kHz.

SXFI Control Software
REQUIRED; for Windows PC and macOS

So, the 44.1 kHz audio must be resampled to 48 kHz (Creative's previous cards' DSPs operated at 48 kHz) for the audio DSP to be able to process and affect it. A poor resampling implementation introduces artifacts into the audio which can be heard, and measured as higher intermodulation distortion, within higher frequencies (generally 16 kHz and up).

X-Fi's resampling engine produces a near-lossless-quality result, far exceeding any known audio card DSP available at the time of release.