1. 7.1 Channel Virtual Usb Surround For Macbook Pro
2. 7.1 Channel Virtual Usb Surround For Macbook Air
3. 7.1 Channel Virtual Usb Surround For Mac
4. 7.1 Channel Virtual Usb Surround For Macbook
5. 7.1 Channel Virtual Usb Surround For Mac Os

Virtual 7.1 Channel Sound: The USB external sound card adapter is equipped with multiplexing technology. It will help realize three-dimensional positional sound and virtual 7.1 channel audio effect. Press the 7.1 CH key to start the virtual 7.1 channel audio.

This post covers topic how to create good virtual surround on a headset that doesn’t normally support stereo sound. It helps you enjoy a richer audio experience, more similar to what you’d get at a theater. In our case we needed it for software that customizes lighting, buttons and some others profiles for keyboards, mice, and headsets. We need to port a headset application from Windows to Mac X platform. This only needs to be done once.

There is no way to do this for MacOS X in some circumstances. But we found the solution that allows us to generate virtual surround for MacOS. Now we can develop media software for Macs with good virtual surround regardless of how many audio channels your multimedia device has.

The problem with MacOS X audio stack

Windows OS suggests well documented APIs created for interaction between third-party applications and the Windows audio stack. That means developers may create a software with Virtual Surround effects and inject their own audio effects for Windows audio devices that support less audio channels than the original audio source.

MacOS is a different story. Unlike Windows with sAPO, MacOS doesn’t allow integration of third-party audio processors into the audio stack. But there is a way to modify the original audio stream. MacOS modifies the original audio stream by itself. The System mixer defines the number of audio channels automatically. This number is equal to the number of audio channels on a multimedia periphery connected to the PC.

So what developers try to do is customize AppleUSBAudio and vendor specified DSP processing to input and/or output audio streams. This solution still does not allow us to regulate the number of channels in a third-party application.

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Example

7.1 Channel Virtual Usb Surround For Macbook Pro

Let’s see an example. You watch a film on a Mac. Originally, the audio track from the movie contains 5.1 surround sound. Your headset supports only 2 audio channels. The Apple’s System mixer gets the 5.1 sound and downmixes it into 2 channels. Because it “thinks” no more channels are needed. Then these 2 channels input to the USB Audio plugin. Obviously, there is no ability to organize Virtual Surround.

Our Solution

That’s why we were forced to find a solution. And we’ve found it. Briefly, this is a solution that interacts with the Mac’s System mixer and forces it to change number of audio channels to the required number. This number doesn’t depend on real channels in a headset. Then, the software is mixed these several audio channels in certain way. Finally a listener gets rich and volume sound. In the example above, it’s not a problem to bring a 2-channel headset into virtual surround. In this way, we can create on Mac devices any surround, 5.1, 7.1 or other.

The plugin is lightweight and is used by others applications that work with sound. This solution allows you to integrate any sound processing algorithms into the MacOS.

What’s the next?

The solution works with less than 2 months in alpha-testing mode. Since we have several customers who are interested in Virtual Surround for MacOS, we are now actively developing a second project: a new headset application for the Mac platform.

And of course we’re sure: our invention will be used in many applications in no time. Our technology will help people to hear perfect virtual surround on MacOS X with any multimedia device. We hope you’re ready for this.

Product details of Double Sound Card Virtual 7.1 Channel USB 2.0 Audio Adapter

7.1 Channel Virtual Usb Surround For Macbook Air

• 100% brand new and high quality.
• Quantity: 1
• Add a virtual 7.1 channel surround sound to your computer with this adapter
• Plug & Play and easy to use
• Requires Windows 98SE, ME, XP, Vista, 7, Server 2003, Server 2008; Linux. Must use a USB 2.0 Port
• Plug & Play, no driver required
• Use with desktop, notebook, Windows, or Linux
• Features Volume Up/Down, Microphone Mute, Headset Mute
• Requires a USB 2.0 Port
• Stereo output jack, mono microphone input jack

• 1.USB 2.0 at full speed (480 Mbps) specifications
• 2.With the first-class 1.0 USB audio equipment specification
• 3. USB bus – power supply mode, no external power supply
• 4. Connector: USB type A socket, 2 stereo output socket, two single track microphone input jack
• 5. Function key: microphone mute, headphones mute, volume increase, reduce the volume
• 6. Included in Windows XP/Vista of xear3D , virtual 7.1 track sound simulation software
• 7. In the following operating system need not install driver Windows/SE/ME / 2000 / XP / Server 2003 / Vista/ windows 7 and 8 Linux/Mac OS
• System requirements:
• 1.The desktop or notebook computer with USB interface
• 2.Suitable for Windows 98 / se/ME / 2000 / XP/Server 2003 / Vista/ windows 7 and 8, Linux/Mac OS 10 or more
• 3.Xear3 d (virtual 7.1 track sound simulation software) for Windows XP/Vista
• 4.complaint with USB2.0 full-speed(12Mbps)specification
• 5.compliant with USB Audio Device class specification 1.0
• 6.compliant with USB hid Class specification1.1
• 7.USB bus-powered mode,no external power required
• 8.Connectors :USB type-A,Stereo output jack,Mono microphone-input jack
• 9.Functional keys : microphone-mute,headset-mute,volume-up,volume-down
• 10.LED indicators:microphone-mute status activity
• 11.include X ear 3 ,THE Virtual 7.1 channel sound simulation software for windows XP/Vista
• 12.driverless -no driver required for windows 98 SE/ME/2000/XP/Server 2003/Vista.Linux,Mac os

7.1 Channel Virtual Usb Surround For Mac

Specifications of Double Sound Card Virtual 7.1 Channel USB 2.0 Audio Adapter

7.1 Channel Virtual Usb Surround For Macbook

7.1 Channel Virtual Usb Surround For Mac Os