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Windows XP k mixer vs. whatever is in Vista
audiophilosophy
post Feb 3 2007, 22:02
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I'm a noob with this technical sort of stuff, but I was wondering if the audio processing stuff included in Vista is better or worse than what we had with XP.

Ok, since I am a noob, this is what I have gathered about XP's audio processing--- the k mixer is bad, and it has a degrading effect on the sound unless you decided to take steps to entirely bypass the k mixer. Correct me if I'm wrong about this.

So I'm wondering, are there any improvements over XP's k mixer with what comes standard with Vista?
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Martin H
post Feb 3 2007, 22:53
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I don't know what changes Vista includes with regards to this issue, but i can atleast assure you about kmixer.sys on Windows XP dosen't degrade the sound quality in any percievable way, period smile.gif I know many people/sites says otherwise, but that's just the same old boring BS nonsence you'll hear around the web, like e.g. that one needs to use insanely expensive audio cables to not degrade the audio quality or that there are differences between differen't CD-R brands in sound quality or that lossless dosen't sound just as "full" as PCM rolleyes.gif The advantage of bypassing kmixer.sys is to loose those extra 30 ms latency which is usefull on recording but dosen't have any advantage whatsoever on playback, besides of course if the WDM drivers over DirectSound output is buggy, but the ASIO drivers or the WDM drivers when used directly through the DirectKS API isn't. Btw, the non-percievable bit-mangling of kmixer.sys happens because of it's volume-control function, but the bit-mangling only occures on the least significant bit, so no-one will ever be able to ABX it on 16bit music playback and if you play 16 bit audio over 24 bit output, then no bit-mangling will occure at all.

This post has been edited by Martin H: Feb 3 2007, 23:00
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Posts in this topic
- audiophilosophy   Windows XP k mixer vs. whatever is in Vista   Feb 3 2007, 22:02
- - Martin H   I don't know what changes Vista includes with ...   Feb 3 2007, 22:53
- - crni   Maybe you can explain something to me... I have M-...   Feb 3 2007, 23:25
- - Tripwire   Vista uses a floating point pipeline in their audi...   Feb 3 2007, 23:36
- - AndyH-ha   QUOTE so obviously kmixer changes digital stream i...   Feb 4 2007, 01:27
|- - Dogbert   QUOTE (AndyH-ha @ Feb 4 2007, 01:27)...   Feb 4 2007, 01:46
|- - audiophilosophy   QUOTE (Dogbert @ Feb 3 2007, 18:46) QUOTE...   Feb 4 2007, 01:50
|- - crni   QUOTE (Dogbert @ Feb 3 2007, 16:46) Contr...   Feb 4 2007, 10:07
|- - Dogbert   QUOTE (crni @ Feb 4 2007, 10:07) ONLY way...   Feb 4 2007, 11:07
|- - Martin H   For anyone interessted in this bit-mangling issue ...   Feb 4 2007, 11:52
|- - audiophilosophy   QUOTE But like I said, it is impossible (or I have...   Feb 4 2007, 17:07
|- - Dogbert   QUOTE (audiophilosophy @ Feb 4 2007, 17:0...   Feb 4 2007, 17:28
- - HotshotGG   QUOTE So are you saying that the audio quality tha...   Feb 4 2007, 05:44
|- - audiophilosophy   QUOTE (HotshotGG @ Feb 3 2007, 22:44) QUO...   Feb 4 2007, 16:43
|- - Jebus   QUOTE (HotshotGG @ Feb 3 2007, 21:44) The...   Feb 4 2007, 19:23
|- - Dogbert   QUOTE (Jebus @ Feb 4 2007, 19:23) Vista l...   Feb 4 2007, 19:48
- - sld   Foobar2000 with KS works in Vista. I was using an...   Feb 4 2007, 07:09
- - mugen   How do I get KS working in Vista? With a Realtek ...   Feb 4 2007, 09:08
|- - sld   QUOTE (mugen @ Feb 4 2007, 16:08) How do ...   Feb 5 2007, 19:36
- - Dogbert   The kernel mixer of the 64 bit version of Windows ...   Feb 4 2007, 18:29
- - Borisz   I can use Kernel Streaming in Vista, using a Sound...   Feb 4 2007, 18:52
- - TREX6662k6   Actually you are able to disable driver signing by...   Feb 4 2007, 19:52
|- - Dogbert   QUOTE (TREX6662k6 @ Feb 4 2007, 19:52) Ac...   Feb 4 2007, 19:56
- - TREX6662k6   I agree with A) but B) there is a command you can ...   Feb 4 2007, 20:04
- - HotshotGG   QUOTE Well, sidetracking successful. What the hell...   Feb 4 2007, 20:22
- - Firon   Jebus: HD DVD works just fine on XP. So does Blu-R...   Feb 4 2007, 20:27
|- - Jebus   QUOTE (Firon @ Feb 4 2007, 12:27) Jebus: ...   Feb 4 2007, 20:40
|- - rjamorim   QUOTE (Jebus @ Feb 4 2007, 16:40) And no,...   Feb 5 2007, 01:39
|- - chelgrian   QUOTE (rjamorim @ Feb 5 2007, 01:39) I se...   Feb 5 2007, 21:02
|- - rjamorim   QUOTE (chelgrian @ Feb 5 2007, 17:02) QUO...   Feb 6 2007, 01:39
- - bidz   The DRM system in Vista is only active if you play...   Feb 4 2007, 20:40
|- - Dogbert   QUOTE (bidz @ Feb 4 2007, 20:40) The DRM ...   Feb 4 2007, 20:47
||- - bidz   QUOTE (Dogbert @ Feb 4 2007, 11:47) In Wi...   Feb 4 2007, 20:56
||- - Dogbert   QUOTE (bidz @ Feb 4 2007, 20:56) That...   Feb 4 2007, 21:48
||- - jeffster   QUOTE (bidz @ Feb 5 2007, 07:56) The DRM ...   Feb 5 2007, 15:43
|- - spockep   QUOTE (bidz @ Feb 4 2007, 15:40) The DRM ...   Feb 5 2007, 18:28
- - CSMR   QUOTE (spockep @ Feb 5 2007, 09:28) Thats...   Feb 5 2007, 20:38
|- - Dogbert   QUOTE (CSMR @ Feb 5 2007, 20:38) No. Wind...   Feb 5 2007, 20:48
- - JunkieXL   QUOTE (jeffster @ Feb 5 2007, 07:43) Kind...   Feb 5 2007, 21:05
- - Martin H   Hi Dogbert Are you saying that the person who wr...   Feb 5 2007, 22:48
- - CSMR   QUOTE (Dogbert @ Feb 5 2007, 11:48) Ahh, ...   Feb 5 2007, 22:52
|- - Dogbert   QUOTE (CSMR @ Feb 5 2007, 22:52) So what ...   Feb 5 2007, 23:08
- - CSMR   Yes and when they are mixed together, is the volum...   Feb 5 2007, 23:21
|- - Dogbert   QUOTE (CSMR @ Feb 5 2007, 23:21) Yes and ...   Feb 5 2007, 23:50
- - tgoose   Is it really illegal to watch DVDs using OSS? I wa...   Feb 7 2007, 00:25


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