The pre-sets “Multimedia”, “Voice” and “Movie Theater” offer different sized rooms and speaker distances. An animated dummy head shows the position of the user’s head in relation to the virtual loudspeakers. the normal listening position in which the stereo source sounds directly from the front. It is possible to define the “sweet spot”, i.e. The app itself shows the current head position in relation to the speakers being simulated. On PCs and Macs, a webcam can be used instead of or in addition to the Bluetooth tracker to determine the head position, but unfortunately, the quality of this CPU-intensive variant varies greatly depending on the lighting and its quality. Depending on the source, NX automatically selects a suitable speaker configuration. In addition to spatialised stereo, 5.1 and 7.1 surround formats can be reproduced using Waves NX with standard headphones. The sound reacts without noticeable delay to head movements in all three dimensions. The result can most easily be described as a VR setting without VR glasses. This includes a binaural decoder, which hooks into the signal path of your smartphone or computer as a virtual audio driver and combines the camera with Headtracking. For smartphones, there is the free app Waves NX for a computer, in addition to the Headtracker, there is a charge of about 10 euros for the software, which is also called Waves NX and described here. The software component of Waves NX comes in several versions, which are rather confusingly named. Alternatively, it can be attached to a cap or hat, but this is not necessarily acoustically advantageous. Despite the featherweight plastic housing without battery, the workmanship is appealing: The only thing that needs to be checked in advance is the attachment to the headphone bracket if the rubber band is too tight, it could leave permanent dents in the leather of luxury models. The only button on the Headtracker serves both as an on/off switch and for pairing with the playback device. One AAA battery supplies the Bluetooth 4.0 transmitter with power. The Headtracker should be attached as centrally as possible on the headphone bracket rubber bands in several lengths are included for this purpose. This automatically adjusts the sound output relative to head movement. This is where the so-called Headtracker comes into play, and it has been on offer since 2016 as the Waves NX Headtracker it’s a Bluetooth 4.0 transmitter attached to the headphones that communicates with the built-in NX software on your computer or smartphone. We locate sound sources not only through the parameters that we mentioned at the beginning of this article but also unconsciously through minimal turns of the head. The answer to the problem was therefore not special headphones or a new surround format, but the combination of long-established acoustic concepts with sensor technology to evaluate head movements and the computing power of our laptops and smartphones. However, this has undergone a relatively unnoticed change in recent years: Almost every playback device is now capable of reproducing 3D sound (including common surround standards). But the issue goes on.Impressive headphones for surround sound long seemed an impossibility. BTW, I completely uninstalled the App, made a Windows registry cleanup with CCleaner and then reinstalled it. But of course it affects the whole song, Jackson's voice included.Īny other user of the App has noticed this or something wrong recently? This is an issue and it is a pity because I really liked Waves NX for Windows. The drums sound softer, slightly high pitched, and even the tempo seems different, slightly faster. This effect is easily noticeable during the first seconds of Michael Jackson's Billie Jean, for example. Now, as long as NX Headphones is the output device and Waves NX Application is running, it changes the sound signature of the source audio device, even if the virtual surround effect is Off in the App. This action seems to have had an undesirable effect on the application. In any case, I noticed that during the setup, the App updated the firmware of the head tracker. I use the App just for recreational listening and gaming (standard, not Virtual Reality) and I feel that the head tracker is more of a nuisance than something helpful for those uses. I tried it shortly in conjunction with the App before I decided to remove it from the system and get rid of it. I have been using this application for months with no issues at all (at least I had not noticed anything wrong before).
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