Solved Playing 6 Channel Audio File on 4 ChannelCard

November 28, 2011 at 16:05:43
Specs: Windows 7, 3.2Ghz/2GB

I am planning to buy a laptop but the sound card supports only 4 channel audio. I was wondering that since most movies are in 6 Channel Audio what will happen if I play a 6 Channel Audio File on the 4 channel sound card. The speakers I use are Edifier X100 (2.1). Currently if I play 6 Channel audio it plays on my speakers as stereo and is fine but if I play 8 channel audio its all messed up. So what will happen if I play 6 Channel Audio file on laptop with 4 Channel Sound Card and 2.1 Speakers?

I know the question is confusing but please try to understand.


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November 28, 2011 at 17:36:38
It depends upon the onboard mixer capability. More channels require more outputs. Individual amps and level controls for each channel would be best. I have seen 7.1 putput devices both pci and usb.

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November 28, 2011 at 20:46:09
✔ Best Answer
Are you sure the laptop only supports 4.0/4.1? That's a strange configuration that iirc was only used back in the late 90's by cards like the SoundBlaster Live. Most laptops today only offer stereo output (some support 5.1 through S/PDIF, but you'll an external decoder, such as an AV receiver, to use it).

But if your laptop actually has 4 channel output, then just continue what you're currently doing--have the media player or AC3/DTS codec downmix the 5.1 to stereo.

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November 29, 2011 at 14:01:32
The Laptop is Dell N5110 (15R) and it has IDT Audio Controller 92HD87. Please check it out and tell me what you guys think. Is it good? Will I be able to watch Movies with 6 Channel Audio on 2.1 Channel Speakers. I will be buying an external card to connect via USB but not now. Where I live they are a bit expensive and I don't have the budget. I have to pay my tuition fee and I can't spend on a USB sound card right now.
You can check this out:

This is a data sheet of the sound controller:

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Related Solutions

November 30, 2011 at 12:05:40
Guys anyone?

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November 30, 2011 at 19:15:12
The capabilities of the chip is dependent upon the unspecified 3rd party software (last paragraph) and the electrical integration by Dell. That means different computers can have different capabilities depending upon the hardware integration and the software supplied by the laptop manufacturer.

Note: I've found USB adapters for around $20.

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December 1, 2011 at 17:18:09
Thanks everyone.

The movies should work fine. I had an old system I got back in 2002. Its a PIII and I got it out the closet and turned it on (I was surprised that it worked) and I used a Codec called AC3 Filter. I set the audio output to 2.1 stereo and played a 6 channel and 8 channel audio and it worked fine. So if it works fine on a system which is 9 years old then it should work on the new Dell Laptop.

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