Archive for August, 2014

When Should You Use Shielded vs. Unshielded Ethernet Cable?

The core job of DSP is to process signals. In some cases, it’s adding or subtracting from the amplitude. In other cases, it’s enhancing or suppressing parts of the frequency response, and many DSPs are excellent for reducing and/or eliminating noise from the source signal. Unfortunately, the “Garbage In-Garbage Out” theory applies to AV signals:…

When Do You Need An AVB Switch?

You can connect two Tesira server-class AVB devices (Tesira SERVER, SERVER-IO AVB, TesiraFORTÉ AVB) together without the use of an AVB switch. The devices must be directly connected from AVB port to AVB port. The Control ports on the server-class devices may be directly connected to one another, or connected through an Ethernet switch. If…

Vocia and Tesira Are Closer Than Ever

A preoccupation for us since Tesira was released has been how to make it integrate better with Vocia. Some of our customers have crafted ways of doing it in their installs, but we wanted to create something more direct for you. With the Vocia 1.6 firmware update, Vocia amplifiers can now receive unicast CobraNet bundles…

What a Vocia Nurse Call Integration System Looks Like

In this month’s sample system design guide, we’d like to show you what’s possible with the Vocia Nurse Call Integration (NCI) package in a small healthcare facility. The unique need of healthcare facilities for professional-grade networked public address, and voice evacuation systems requires a very specialized audio solution. With Vocia, the decentralized architecture distributes audio…

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