The motherboard can determine if the dongle is plugged in by examining the logic level on pin 4. On HDA audio to the front and rear outputs comes from seperate outputs on the audio codec. Apr 6, at 5: Yes, my password is: Apr 7, at 5: Originally Posted by bat

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Likewise, some modern enclosures have both an “AC’97” and an “HDA” plug at the end of the front-panel audio cable. AC97 cables usually have an empty socket in pin location 4. Basically, getting good sound out of a notebook involves an external sound solution. For the marketing term HD audio, see High-resolution audio. It is recommended that you look at your motherboard manual. Log in or Sign up. No, azslia an account now.

RejZoRMar 27, For average home use, there shouldn’t really be a noticeable difference.

A little assistance with azalia/ac97 audio please!

Headphone Reviews and Discussion – Head-Fi. Interfaces are listed by their speed in the roughly ascending order, so the interface at the end of each section should be the fastest.


Qzalia, my password is: Computer motherboards often provide a connector to bring microphone and headphone signals to the computer’s front panel. Post 3 of Log in or Sign up. In AC’97, pins 2 and 4 are audio ground, but pin 4 is often disconnected.

It’s digital and the BIOS setting you’re talking about will tell it to use either digital out on azlaia case jacks or analog out. Useful features include standard Universal Audio Architecture drivers from Microsoft and Sensaura with installed drivers from Realtek.

Consequently, an HDA motherboard would not detect the presence of an AC’97 dongle with a disconnected pin 4. BB code is on. Many motherboards with AC’97 audio ac977 two jumpers to short the pins in case no front panel audio module is connected, so audio passes to the speakers.

Though i don’t think i’d ever give up on X-Fi. Post 4 of Thanks, Dave21 and GLC.

Ac 97 vs HD Audio (azalia?) | guru3D Forums

Yes, my password is: Views Read Edit View history. Back in the day when AC97 reigned you could in fact get really decent codecs e. It should be the Azalia plug as that is for H. Computer powers off in sleep mode However, as of [update]most audio hardware manufacturers did not implement the full specification, especially bit sampling resolution.


Even the humble Live! Thank you for understanding. Your name or email address: In my case the sound chip is a ALC but i’m more interested in a generic, all purpose answer, rather than one specific to this.

By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. May 26, Messages: Is it possible to achieve bit for bit quality sound quality with a AC 97 codec or Azalia Inte’s new high definition audio?