Sound Blaster X-Fi

Sound Blaster X-Fi
Sound Blaster X-Fi XtremeGamer Fatal1ty Pro

Sound Blaster X-Fi is a lineup of sound cards in Creative Labs' Sound Blaster series.



The series was launched in August 2005 as a lineup of PCI sound cards, served as the introduction for their X-Fi audio processing chip, with models ranging from XtremeMusic (lower end), to Platinum, Fatal1ty FPS, and Elite Pro (top of the range).[1]

64 MB of dedicated memory found on the Fatal1ty Pro sound card via two Micron 48LC32M8A2-75 C (PC133) SDRAM chips

The top-end Elite Pro model was aimed at musicians, bundled with the X-Fi external I/O box (offering phono with preamp inputs for turntables, high-impedance input for guitars, 0.25-inch mic input, headphone output, line-in, and full size MIDI I/O, as well as optical and RCA Coaxial digital inputs and outputs), and remote control.

The Platinum and Fatal1ty FPS models both offer a front-panel drive-bay control unit and remote control, while the base model was supplied without any such accessories.

All but the top model claimed 109dB signal-to-noise ratio, while the Elite Pro model uses a higher-end DAC, with 116dB claimed. The bottom two models feature 2 MB standard RAM , while the top models offer 64MB of X-RAM,[2] designed for use in games to store sound samples for improved gaming performance.

October 2006 saw a minor rebranding: the X-Fi XtremeMusic edition, which was in fact a highly capable gaming card, as it offers hardware decoding and EAX support, was replaced with the XtremeGamer model. The revised model featured half-width PCB, non-gold-plated connectors, optical out instead of the digital out and digital I/O module jack, and lacked the connector for users wishing to purchase a separate X-Fi I/O box. Functionality is otherwise the same.

The market segment occupied by the XtremeMusic was moved downwards, with the introduction of the (cheaper) 'Xtreme Audio' and 'Xtreme Audio Notebook' products, which, despite the "X-Fi" label, are the only products in the X-Fi line not using the EMU20K1 chip (CA20K1)[3] but an older chip similar to the Audigy SE and SB Live! cards (CA0106-WBTLF)[4] and thus lacking 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.

The other new product introduced was the X-Fi 'XtremeGamer Fatal1ty Pro', identical in function to the Fatal1ty FPS, but made more affordable by the unbundling of the I/O panel and remote control.

The 20K1 chip can use a significant amount of RAM to store sound effects for faster and improved processing, just like the previous E-mu 10K-series and E-mu 8000. This feature, dubbed X-RAM by Creative and found on the higher-end models in the X-Fi line (the Elite Pro, Fatal1ty and XtremeGamer Fatal1ty Pro Series), is claimed to offer quality improvement through audio processing capability enhancement, in addition to further reduction in host system CPU overhead.

In 2007 Consumer Electronics Show, Creative Technology unveiled PCI Express x1 and ExpressCard/54 versions of Sound Blaster X-Fi Xtreme Audio.[5]

X-Fi branded products

In addition to PCI and PCIe internal sound cards, Creative also released an external USB-based 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, marketed to improve music playing from laptop computers, and with lower specifications of the internal offerings.

Other external products that use X-Fi name include USB-based Sound Blaster X-Fi HD, Sound Blaster X-Fi Surround 5.1 Pro, and Sound Blaster X-Fi Go! Pro.

X-Fi features

8-channel digital-to-analog converter Cirrus Logic CS4382 placed on Sound Blaster X-Fi Fatal1ty
4-channel stereo multiplexed analog-to-digital converter Wolfson Microelectronics WM8775SEDS placed on X-Fi Fatal1ty Pro

The audio processor on X-Fi was 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. 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. 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).[6] X-Fi's resampling engine produces a near-lossless-quality result, far exceeding any known audio card DSP available at the time of release. This functionality is used not only for simple audio playback, but for several other features of the card such as the "Crystalizer", a technology that claims to improve the clarity of digital music through digital analysis (supported by all X-Fi models, including the Xtreme Audio and X-Mod).

The Sound Blaster X-Fi presents the following features, which are usually implemented with the aid of the X-Fi DSP or in software, in the Xtreme Audio model.


Creative Labs states that the primary function of the Crystalizer is to "restore portions of the sound which were lost during compression". The "compression" that is meant here is not the digital file-size reduction achieved by digital audio data compression technologies like for example mp3. Rather, the idea is to reverse the effects of dynamic range compression, an analog technique that was and is used during the production of most 1990s and newer Audio CDs (with the exception of some classical music recordings) to make them sound louder at the same volume level setting, as it was found that subjectively louder CDs get more airplay and sell better. To achieve this loudness without introducing strong distortion, points in the signal where the volume reaches a maximum are compressed (which means in this case: reduced in volume), then the whole signal is multiplied by a factor so that the maximum volume is reached again. After this, the music as a whole is louder than it was before, but the maximum volume points (mostly transients) are not as pronounced as they were before. Since this whole process is done before the final Audio CD is recorded, its effect is equally present in uncompressed audio files created from such a CD, in lossless compressed audio made from the CD, as well as in lossy compressed audio from that same CD. Transients are typically found in percussive sounds, in plosive consonants of voice recordings, and during the first few milliseconds (the so called attack phase) of non-percussive instrument sounds. All these tend to be somewhat muffled by dynamic range compression.

To undo this effect, the Crystalizer uses a multiband compander (compressor/expander) with dynamically adjusted compression/expansion. Its main function is to detect transients and to increase their relative volume level. As a consequence of enabling the Crystalizer, the signal is altered, and whether the result improves upon the input audio is purely a matter of perception and can depend on the type of audio being played.[7]


"CMSS-3D recreates realistic surround sound from any audio source and puts you right in the center of the action, whether you are using multichannel speakers or headphones." CMSS-3D is a DSP feature that provides audio enhancement. Depending on the equipment used, CMSS-3D has 3 variants:[8]

  • CMSS-3D Headphone: When the Creative Control Panel is set to Headphones, this setting creates virtual 3D positional audio via synthesized binaural cues (see Sound localization and Head-related transfer function). If the application generating the audio uses a hardware-accelerated 3D audio API (i.e. DirectSound3D or OpenAL), the input for the binaural synthesis algorithms consists of up to 128 sound sources positioned arbitrarily in 3D space. If the application instead generates multi-channel sound directly (e.g. a media player app or a game with software-based audio processing), the input for the binaural synthesis algorithms consist of the 4 to 7 positional sound sources associated with the application's selected speaker configuration.
  • CMSS-3D Virtual (Stereo Xpand): When the Creative Control Panel is set to 2/2.1 or 4/4.1 speakers, this setting creates virtual 3D positional audio similar to CMSS-3DHeadphone. The difference is that this includes techniques such as crosstalk cancellation because sound from all speakers reaches BOTH ears which makes the binaural cues more complicated to synthesize. Additionally, the listener must be located in the "sweet spot" between all of the speakers for the effect to work properly. Note that this is not available (including MacroFX and ElevationFilter) when using 5.1 or more speakers. In these cases, 3D audio sources are mapped to speakers by manipulating the relative volume levels for the different speaker positions.
  • CMSS-3D Surround: When the Creative Control Panel is set to 4/4.1, 5.1, 6.1, or 7.1 speakers, this setting will upmix stereo sources to multiple channels. Note that both CMSS-3DSurround and CMSS-3DVirtual can be enabled when using 4/4.1 speakers.


If the application uses a hardware-accelerated 3D audio API, enabling this setting will apply special filtering algorithms in order to improve localization for sound sources located very close to the listener.


If the application uses a hardware-accelerated 3D audio API, enabling this setting will apply special filtering algorithms in order to improve localization for sound sources located above or below the listener.

EAX effects

Environmental Audio Extensions is designed to be enabled by game developers within a game to enhance the "simulated-reality" the user is experiencing; for example, the ringing of game-world swords will sound differently depending on whether the protagonist is currently in a game-world temple vault or in a game-world open field. There are also 8 built-in EAX effects which can be enabled by the user.


This is Smart Volume Management. It is a compressor or normalizer that tries to keep the volumes of various audio sources equal. It does alter the original recording so it may or may not be a desired option. It can be useful depending upon what audio is being played, or if two audio sources are being played at once.


This function divides music into ten frequency bands, which can be adjusted using the sliders.


There are multiple volume adjustments for different inputs and outputs on the system. The master volume affects all of these settings. The default and recommended value is 50% for all sources, which actually equates to a 0 dB amplification (none), while a 100% value causes a 16 dB amplification.

MIDI support

As with many of Creative's previous sound cards, the X-Fi supports SoundFonts. Additionally, the Audio Creation Mode of the card allows the use of EAX in MIDI playback via the use of controllers.

Dolby Digital bitstream out

This setting controls the DD sound decoder.

DTS bitstream out

This setting is the same as Dolby Digital Bitstream Out, only with DTS sound instead.

Operating system support

Although Creative was slow to embrace 64bit drivers for the X-Fi lineup, most x64 architecture based operating systems are now supported. Microsoft Windows 7 includes basic driver support for many of the X-Fi series cards. Many of the X-Fi features however require the software applications provided by Creative in order to utilize the full capabilities of the hardware.[9]

  • Microsoft Windows 2000 (unofficially)
  • Microsoft Windows XP, Vista, 7 (32 & 64bit)

Linux support

On September 24, 2007 Creative Labs released a closed source unsupported beta driver providing Linux 64-bit OS support for the following Sound Blaster X-Fi series sound cards:[10]

  • Creative Sound Blaster X-Fi Elite Pro
  • Creative Sound Blaster X-Fi Platinum
  • Creative Sound Blaster X-Fi Fatal1ty
  • Creative Sound Blaster X-Fi XtremeGamer
  • Creative Sound Blaster X-Fi XtremeMusic

An open source driver is available with OSS v4 build 1013 and above.[11] Datasheets were provided by Creative to enable ALSA driver development.[12] On November 6, 2008 Creative finally released their driver under a GPL license.[13] It supports x86 as well as x86-64 architectures and is listed in their support area.[14] On May 15, 2009 after some communications with Creative, SUSE developer Takashi Iwai finally got a mergeable version of their X-Fi driver. On August 31, 2009 the driver (snd-ctxfi) was included in release of ALSA 1.0.21.[15]

X-Fi line-up


X-Fi MB is a software solution that enables basic X-Fi features on computers with integrated audio into an X-Fi device. It requires some degree of driver support from the audio hardware manufacturer. X-Fi MB is commonly bundled with motherboards and computer systems, and is comparable to an X-Fi XtremeAudio. Bundled with some Asus motherboards, the X-Fi MB is sold as X-Fi Supreme FX and is actually a standard Analog Devices integrated HD audio codec paired with X-Fi MB. The X-Fi features are implemented entirely in the software. Other hardware vendors sell the X-Fi MB solution simply as Sound Blaster X-Fi Integrated Sound.

X-Fi Xtreme Audio

The entry-level model of the X-Fi series, the Sound Blaster X-Fi Xtreme Audio, does not actually have the EMU20K1 chip but is a re-branded Audigy SE, using the same family of chips (CA0106-WBTLF), and even the same drivers.[12] Thus, not only is all of the X-Fi–related processing performed in software, but it also lacks basic hardware acceleration just like the SB Live! 24-bit, the Audigy SE and other budget Soundblaster models. The X-Fi Xtreme Audio does not use the same drivers as the rest of the X-Fi family, some games do not recognize it as being "X-Fi capable hardware", and the device's hardware profile resembles that of older Live! and Audigy cards.

Card Release signal to noise ratio Interface Chip RAM I/O Console I/O Drive Box Remote control Notes
Elite Pro Aug '05 116dB PCI EMU20K1 64MB included - included additional software included
Fatal1ty Aug '05 109dB PCI EMU20K1 64MB optional included included also known as: Fatal1ty FPS / Fatal1ty Edition / Platinum Fatal1ty Champion
Platinum (Discontinued) Aug '05 109dB PCI EMU20K1 2 MB optional included included
XtremeMusic (Discontinued) Aug '05 109dB PCI EMU20K1 2 MB optional optional optional still widely available as OEM product, may require special drivers. Retail version also still available in some countries such as the Republic of Korea.[16]
Digital Audio (Discontinued) Sep '05 109dB PCI EMU20K1 2 MB optional optional optional Japan-only variant of XtremeMusic with additional jack extension
Xtreme Audio Oct '06 104dB PCI CA0106 - - - optional Low profile card (half height), does not contain the EMU20K1 chipset used by the rest of the series. Is based on the same chipset as the Audigy SE, Audigy Value and SB Live! 24-bit. It also has Crystallizer and CMSS-3D. Also available for PCI Express (using CA0110 chipset) and ExpressCard. Note, the CA0110 does not work on Linux with ALSA 1.0.23
XtremeGamer Oct '06 109dB PCI EMU20K1 2 MB - - optional Low profile card (half height), replacement for XtremeMusic
XtremeGamer Fatal1ty Pro Oct '06 109dB PCI EMU20K1 64MB optional optional optional Basically the Original Fatal1ty/Fatal1ty Edition/Fatal1ty FPS/Platinum Fatal1ty Champion card without the I/O drive box and remote control.
Titanium Fatal1ty Champion Jun '08 109dB PCIe EMU20K2 64MB - included optional
Titanium Fatal1ty Professional Jun '08 109dB PCIe EMU20K2 64MB - optional optional Basically a Titanium Fatal1ty Champion card without the I/O drive box.
Titanium Professional Audio Jun '08 109dB PCIe EMU20K2 16MB - - optional Asia-only variant of X-Fi Titanium with minijack-to-2RCA cable and EMI shield
Titanium Sep '08 109dB PCIe EMU20K2 16MB - - optional First X-Fi card for which Creative Labs made available a software-based implementation of Dolby Digital Live to allow for real-time encoding to DD 5.1 and subsequent output over the optical out port. DDL is also available for all other Titanium models.
Titanium HD Mar '10 122dB PCIe CA20K2 64MB First card with THX TruStudio PC audio technology.[17] Top quality current output Burr-Brown Advanced Segment PCM1794 DAC. First stereo based internal Creative PCI/PCI-E sound card with gold plated RCA out since the ISA AWE64 Gold. Creative claims it is the highest quality ever from a Creative sound card.[18] Only available in certain markets.
  • SNR is 109dB for Multi channel analog outputs and 115dB for Stereo analog outputs.
  • All PCI Fatal1ty cards have "Fatal1ty" sign with two red LEDs. PCIe Fatal1ty cards have no illuminated Fatal1ty logo and only features the X-Fi logo illuminated by two white LEDs (however it does have the Fatal1ty branding on the heatsink of the card). Elite Pro card has "X-Fi" sign with two blue LEDs.
  • The I/O Console is an external box with analog and digital I/O audio jacks and volume control knobs. It is always bundled with the remote control
  • The I/O Drive Box is an internal 514 drive with analog and digital I/O audio jacks and volume control knobs. Also bundled with the remote control.
  • All Creative cards have 3x 1/8 inch jacks for analog headphone/speaker output (2 of them are 4-segment-jacks for a total of 7.1 sound output), some partner's cards such as AUDIOTRAK Prodigy 7.1e and Auzentech BRAVURA and Forte have separated headphone output.
  • All Creative cards except XtremeGamer have 1x shared 1/8 inch jack for either: Line In / Microphone / Digital Out / Digital I/O Module. The optional Digital I/O Module is an external box for handling digital IO: 1x Coax In, 1x Coax Out, 1x Optical In, 1x Optical Out. The XtremeGamer card has 1x shared 1/8 inch jack for either: Line In / Microphone / Optical Out (TOSLINK minijack). It does not support the Digital I/O Module. Some partner's cards such as Auzentech Prelude and Forte has separated 'Line In / Microphone' and 'Digital I/O' jack.
  • For the PCIe X-Fi cards, remote control support requires a USB receiver and is sold separately.
  • The Titanium HD lacks analog surround sound outputs. [19]

See also


  1. ^ Creative X-Fi Xtreme Music and X-Fi Elite Pro - TrustedReviews
  2. ^ Creative Labs Sound Blaster X-Fi - Maximum PC
  3. ^ Xtreme Audio: chip mystery solved [kinda]. - Creative Labs Forums
  4. ^ Jimmy’s Junkyard - X-Fi Xtreme Audio = Audigy SE ???
  5. ^ Creative X-Fi PCI Express Soundcard - VR-Zone IT & Lifestyle Forum!
  6. ^ 팔만원 :: 네이버 블로그
  7. ^ 24 Bit Crystalizer, The Hidden Technology : Creative's X-Fi Sounds Fabulous
  8. ^ Sound Blaster - X-Fi CMSS-3D
  9. ^ See Creative's Driver support page for more details
  10. ^ Sound Blaster - Purest Audio, Richest Sound
  11. ^ Open-Source Creative X-Fi Support
  12. ^ a b Matrix:Vendor-Creative Labs - AlsaProject
  13. ^ - Creative Gives In, They Open-Source Their X-Fi Driver
  14. ^ - X-Fi Public Linux Driver v1.00
  15. ^ Changelog between 1.0.20 and 1.0.21 releases: Creative Sound Blaster X-Fi (20K1/20K2)
  16. ^ Creative 사운드 블라스터 X-Fi Xtreme Music JCHyun 종합정보 :: 행복쇼핑의 시작 ! 다나와 (가격비교) -
  17. ^, Press release, 7th Jan 2010
  18. ^ Press Releases
  19. ^ Creative Sound Blaster X-Fi Titanium HD Review

External links

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