Manufacturer's Description:The Perfect Connection for PerfectWave Gear and HDMI VideoIn the PS Audio PerfectWave series, the best way to get the digital audio data between the PerfectWave Transport and the PerfectWave DAC is through the I2S connection. Using the perfect cable to transfer the data is critical, and the new PerfectWave I2S series has been designed specifically to handle these sensitive signals.I2S data is the standard jitter-free data inside all CD transports and all DACS and CD players. Instead of converting the I2S data into a form that can pass through a single cable (a system called S/PDIF), I2S data requires multiple conductors so that the three clocks and the separate digital audio signals can pass through a single multi-conductor cable. HDMI cables have the perfect number of conductors for transferring both video and digital audio and for this reason, so PS Audio chose the HDMI cable for its unique I2S interface between PerferctWave products.Solid Silver ConductorsThe PS Audio PerfectWave I2S12 HDMI cable uses solid silver conductors for all 19 of its signal paths. There is not a higher end, better performing HDMI cable in the world. PS Audio claims that the I2S12 outperforms any HDMI compliant interconnect ever made. So, if you want the very finest in performance for either I2S connection or video, the I2S12 is the way to go.It's Not An Easy TaskTo work as an effective transmission medium, all clock and data timing paths must be meticulously maintained, or the many advantages of I2S data transfer can be compromised. The new PS Audio I2S HDMI digital interface cables are specifically designed to maintain timing and waveform integrity up to 2 meters for I2S and over 50 feet for video applications.The PerfectWave I2S series of cables can handle clock rates to 340 MHz, or 10 Gb per second data rate, which is significantly higher than the clock rates used in even high resolution digital audio.Some of the key factors in maintaining excellent clock timing and waveform accuracy involve both materials, wire gauges, insulation types, shielding and construction.Nitrogen Injected Skin-Foam-Skin For The DielectricBetween each of the 19 conductors in an HDMI cable you'll find a layer of insulation. This layer is critical to the cable's performance because insulation acts as a dielectric which can store energy of both the clocks and the digital audio or video signals. Storing energy is NOT what we want to do so great efforts have been made to use materials that have as little effect on the signals as possible.For this task, the engineers at PS Audio have chosen nitrogen injected skin-foam-skin for the dielectric. Currently, polythelyne skin-foam-skin is the best dielectric known for high speed digital transmissions and helps maintain a constant 75 Ohm impedance between conductors even when the cable is bent.Triple ShieldingElectrical interefence from outside radiated sources is a big issue to deal with in digital signal transmission and the better the shielding to keep these noises out, the better and cleaner the performance of the cables. In the new PerfectWave I2S HDMI series, PS Audio uses triple shielding for substantial noise reduction in high frequency interference. Video is nearly noise free and stunning in its clarity and threee dimensionality.
Re: Hard to find, PS Audio PerfectWave 1.5 Mtr HDMI - 12 I2s cable
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