其實軟解或是硬解這個問題已經討論很久了
剛剛小弟去UK的Creative下載了Audigy2ZS與X-FI的產品說明書
結果發現了一些有趣的說明
Audigy2ZS與Audigy2ZS Platinum是共用一份產品說明
關於 DTS解碼部分的說明如下
Watching DVDs
Decoding with an external decoder or AV Amplifier

使用外接解碼器或是AV用擴大機)
If you have a Dolby Digital/DTS external decoder or AV Amplifier,
you can use it to decode Dolby Digital or DTS signals from
your Platinum Drive (included with Audigy 2 ZS Platinum) or
Audigy 2 ZS audio card.
For more information on external decoder or AV Amplifier speaker connection
settings, consult the User's Guide of your external decoder or AV Amplifier.
而比就有趣的是後者
Decoding with Audigy 2 ZS:(使用Audigy 2 ZS來解碼)
If you have a...