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Audio and music software Reviews
15,670 Reviews

AstoundSound Expander for Windows 3.0.2 review

$39 (around £25)

Manufacturer: Gen Audio Inc

Sound enhancer AstoundSound Expander for Windows creates a unique 3D sound field.

Sound enhancer AstoundSound Expander for Windows creates a unique 3D sound field.

Sound enhancers are nothing new. Windows Media Player has SRS TruBass and WOW, which enhance bass and expand the sound field, built right in. Apple iTunes and many MP3 players (with the noticeable exception of the iPod series) also have enhancers. However, AstoundSound Expander for Windows is unique in the consumer field in its ability to create a 3D sound field with virtually no fuss.

There's not a whole lot to using the AstoundSound Expander for Windows sound enhancer. You install it and it then sits in the system tray doing its background processing on all audio passing through any particular output. If you have multiple audio output devices, you may select which one the effect works on.

There are three buttons that will optimise the effect for movies, music and games, as well as a slider that varies the intensity of the effect, and a pre-amp slider that will add gain to the input signal. There's also a recycle button to re-enable the effect should it get locked out of the audio chain, which happened once to us with the VLC player when we left AstoundSound Expander for Windows off for a while. The effect also crashed once and required a reboot of the system for sound to return.

We were skeptical before we installed the AstoundSound Expander for Windows sound enhancer. However, it really does create an illusion of depth that we'd not heard before outside of the SRS HD Audio Lab and high-end audio workstation plugins. SRS WOW and the iTunes sound enhancer tend to broaden the sound field laterally, and so does AstoundSound Expander for Windows, but in this case, certain sounds appear nearer to you than others.

As with all sound field effects, the results vary by the material, and it helps to be dead centre between the speakers (it won't work with mono systems). We enjoyed the AstoundSound Expander for Windows sound enhancer more with movies than with music, although it's effective with both depending on the intensity. Our only wish is that it would allow you to pump up the bass a bit.

Audio software reviews
Digital Home Advisor

AstoundSound Expander for Windows 3.0.2 Expert Verdict »

1GHz processor
Windows XP/Vista
8.5MB hard-disk space
stereo audio output

AstoundSound Expander for Windows performs as advertised and works on the output of any media player though you may suffer the occasional crash. It's simpler to use than SRS HD Audio Lab, if not as tweakable, although it lacks the latter's bass enhancement. Whether this sound enhancer is a big enough thrill or improvement on built-in enhancers to plop down a fair amount of cash for it is up to you, but it's most definitely worth checking out the free trial.

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