If more than one application is sending audio through an output virtual cable, VAC is able to mix all of the streams together or create separate corresponding virtual input cables. VAC is the audio equivalent of a MIDI loopback device such as MultiMid or Hubi, and can be used instead of "Stereo Mix" or "What U Hear" features of audio adapters. Since all transfers are made digitally, there is no loss in sound quality. Any application is able to send an audio stream to the input side of a "virtual cable" while a corresponding application can receive this stream from the output side. The calibration sound will then cancel the music played and measurements can be performed.Īlternatively you can visit this page: that will “play” 30 minutes of silence.Virtual Audio Cable is a software product based on WDM multimedia driver that allows a user to transfer audio streams from one application to another. This can be solved by having an audio track playing in the background when performing a measurement. Now you can start the calibration but first take into account that hosts shut down the sound stream and no measurement signal will pass through in that state. You probably want VSTHost to launch automatically, here is how: īy clicking the tiny icon in VSTHost indicated by the red arrow you can open the Dirac Processor Plugin window where you can switch the filter on and off for comparisons.Now open the Windows settings, select Sound and then select VB-Audio Virtual Cable as the default output device.Click on Performance and select Save in order to save your configuration.Dirac Processor Plugins are installed here: C:/Program Files/Common Files/VST2 C:/Program Files/Common Files/VST3 Drag and drop the Dirac Processor Plugin in the middle of the VSTHost window.Set Input port to DS: CABLE Output (VB-Audio Virtual Cable) Set Output port to your output device (i.e. Click Devices and select Wave in order to set your devices.Unzip the folder, launch VSTHost by clicking “vsthost”.Download VSTHost (donationware) choose the appropriate download, in this example dvsthost圆4.zip has been used.CABLE Output as a recording device and CABLE Input as a playback device Restart your computer, two new audio devices have been installed as shown in Windows audio settings.Unzip the folder and right-click VBCABLE_Setup or VBCABLE_Setup圆4 in case of 64 bit computer, run as Administrator and install.Download VB-Virtual Audio Cable (donationware).VB-Audio Virtual Cable and VSTHost have been used in this example but the same general principles apply to other virtual cables and VST hosts. A virtual cable and a VST host can be used so that all music/audio from the computer is streamed to the Dirac Processor Plugin and then from the plugin to the output device of your choice.
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