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UADE - Proyecto: Audio - CobraNet |
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What Is CobraNet? Licensed by Peak Audio, CobraNet™ is an Ethernet network that sends and receives digital audio signals. Crown power amplifi ers that accept an IQ-PIP-USP3/CN or IQ-PIP-USP2/CN module can connect to a CobraNet network. CobraNet works by taking an analog waveform and converting it to ones and zeroes. Once the signal is converted to digital, it is then transported over a 100 Megabit or faster Ethernet network. Up to eight channels of digital audio signals can be placed in a bundle. Up to eight bundles can be sent in a 100 Megabit line, depending on bit depth and sample rate. The CobraNet signal needs to be addressed. It can either be Multicast (Broadcast) to multiple listening devices or Unicast to one listening device). Whether it is Broadcast or Unicast is defi ned by the delivery address it is given. 255 and lower is Broadcast; 256 and up is Unicast. Once the CobraNet signal is routed by an Ethernet Switch, the signal is received by the listening device and converted back to analog audio. In plainer terms, Cobranet is like a postal system:
1. The device sending the CobraNet signal takes the analog audio and converts it to digital. 2. It then takes those up-to-eight channels of digital information and places them into an envelope (bundle). 3. That envelope is either addressed to a single address (Unicast) or is addressed as “bulk” mail that is sent to all addresses (Multicast). 4. The sender then delivers the package to the Post Offi ce (the Ethernet network switch), where it is then routed and delivered to the proper address. 5. The receiver meets the postal person and hands them any outgoing envelopes (bundles), up to four per address, and receives any incoming envelopes (bundles), also up to four per address. 6. The receiver opens the bundles it requested, then converts the digital information back to analog for use in analog devices (amplifi ers) or keeps it in the digital domain for processing (in DSP units such as the PS8810C, IQ-PIP-USP3/CN and IQ-PIP-USP2/CN).
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 CobraNet is being offered as a standard technology for the transport of multi-channel audio and control data. Peak Audio believes that a network carrying audio and data between products of many manufacturers best serves the industry. Several progressive audio manufacturers have already licensed this technology. If you have a project that you feel might benefit from CobraNet technology or if you are interested in licensing the technology for incorporation into your product line, please contact Peak Audio for more information.
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