The BACCH® Stereo Purifier (BACCH-SP) is a state-of-the-art, high-definition, digital audio processor that yields highly realistic 3D sound imaging from a pair of stereo loudspeakers.
At the heart of the BACCH-SP is BACCH® 3D Sound technology developed at Princeton University, which purifies stereo audio signals from the crosstalk inherent in loudspeaker-based playback, allowing the listener's brain to receive the proper psychoacoustical cues that are needed to localize recorded sound sources realistically in 3D space.
The BACCH-SP is the most advanced digital audio processor for music playback today as it incorporates, for the first time outside the laboratory, a number of advanced technologies that combine to offer what amounts to a virtual reality sound experience for the audiophile.
These technologies include:
- Individualized tonally-transparent crosstalk cancellation filters (called BACCH® filters) designed from quick calibration (impulse response) measurements made by the listener using calibrated binaural microphones placed in the listener's ears.
- Real-time adjustment of the 3D audio sweet spot through high-resolution tracking of the listener's head position (even in pitch darkness) using a 3D infrared camera and advanced custom-built head tracking software.
- 64-bit audio processing through a dedicated multi-core CPU running custom-built algorithms and optimized convolution engines.
- Wi-Fi control of all BACCH-SP functions through an intuitive iPad controller on a dedicated iPad that serves as the sole remote control.
The Dio is the digital pass-through version of the Bacch-SP and thus has no analogue section.
specs
Digital Inputs
1x USB
1x S/PDIF
1x BNC Clock
Digital Outputs
1x Toslink (Optical)
1x S/PDIF
1x BNC Clock
Other Connections
1x RJ45 (Network)
1x USB (IR Camera)
1x USB (WEB Camera)
24-bit Audio, 64-bit Processing | Sampling Rates: 44.1, 48, 88.2, 96, 176.4, & 192 kHz
Dedicated iPad as Remote Control | Remote Technical Support, Maintenance, and Software Upgrades via the Internet
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