![]() ![]() Isn't it curious how, whenever someone asks about a problem they're having with their computer's onboard audio, nobody even bothers to ask them about their computer or audio setup? Makes it appear like you are knowledgeable/experienced, and doubtless others will echo along (possibly for the very same reason). It's very easy to tell someone they need to get a new interface. Perhaps you failed to notice where the OP had stated: PheonixVajAs for the Realtek AC'97 running on my Xp, its great. Which I suppose is not really that surprising considering that an onboard HDA audio solution (chipset Intel HDA component + associated HDA codec chip) is essentially a PCI/PCIe audio interface. I've also found that onboard audio can perform with very low latency and loading. And yes, as a matter of fact I have used various onboard Realtek HDA codecs on a number of different computers and found that they can perform quite satisfactorily, particularly for playback duty, and have found their S/PDIF capabilities especially useful. Might be more helpful to first investigate into what the cause of the OP's problem might be, before automatically telling the OP they should get an external interface. Maybe the OP's Vista laptop's onboard Realtek HDA can be made to work satisfactorily, dunno. It appears us clueless ones with a touch of experience might just have a helpful suggestion. Musicroom So your wise suggestion would be for the struggling OP to stick with the realtek. Oh my, the mindset around here is truly an audio interface vendor's dream come true. Lots of possible causes, and yet it seems the prevailing clueless advice has been to dismiss onboard audio as crap and insist the OP spend for an interface, along with spreading a bit more misinfo around. Point being, it may well have absolutely nothing to do with the differences between AC97 and HDA. Or perhaps there is a gound loop problem occurring with the newer laptop's power adapter (in which case, it would likely also affect an external audio interface when connected to the laptop). Or possibly it's just a crappy newer laptop. Or maybe it's due to some vendor-installed audio mixer/fx crap. Maybe ithere is an HDA driver issue, which an updated driver will resolve. Now as for why the OP's older AC97 version onboard audio sounds better than the OP's newer HDA onboard audio, dunno. That said, motherboard and system manufacturers may not take necessary care to assure clean noise-free audio performance in their products, or even if they do, there can be other factors such as noisy power supplies and laptop power adapters as well as power regulation and cooling fan controls which impact negatively upon audio quality. Also, as part of HDA certification requirements, MS has required that HDA codecs be supported with low-latency/low cpu-load WaveRT drivers. The typical HDA codec chips are capable of handling multi-channel 192kHz/24-bit streaming I/O, so actually quite technically advanced little chips with quite decent audio performance. For example, see: One component of the onboard HDA solution is implemented in the chipset (i.e., "Intel HD Audio") which receives and transmits serial digital audio data streams to/from a codec chip (typically a Realtek or VIA audio codec chip) which among other things handles necessary ADC and DAC duties as well as analog and digital processing. It's actually a logo certification program by MS under which PC audio systems must meet rather rigorous technical requirements subject to testing per relevant AES specs using Audio Precision hardware and software (just like most high-end audio equipment manufacturers use). The "High Definition Audio" (HDA) designation is not just some meaningless marketing ploy. So much cluelessness and misinformation in this thread. ![]()
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