Information AboutNetcira |
| CATEGORIES ABOUT ETHERSOUND | |
| audio engineering | |
| broadcast engineering | |
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EtherSound is one of several Audio Over Ethernet technologies currently used in Audio Engineering and Broadcast Engineering applications. EtherSound is developed and licensed by Digigram . EtherSound is compliant with IEEE Ethernet standards allowing the use of standards-compliant hardware and cables. However, EtherSound is not designed to share Ethernet LAN s with typical office operations data or Internet traffic such as email. Like all audio-over-Ethernet technologies, EtherSound adapts the non-deterministic nature of CSMA/CD protocols to provide a continuous stream of high-sample rate, 24-bit digital audio data. The Ethernet protocol allows every device equal access to the network (Carrier Sense Multiple Access) and accepts the inevitability of "collisions" as a result. Ethernet data is sent in bursts. Ethernet frames are sent in a serial stream (one after the other) and contain addresses, protocol control information and data. EtherSound's solution to the problem of using a non-deterministic equal-priority network to transmit deterministic, prioritized audio data is proprietary, as are the solutions adopted by other audio-over-ethernet technologies. Low latency is important for many users of audio-over-ethernet technologies. This is especially true for situations where a musician can hear both the acoustic sound of their instrument (or voice) and an amplified version. EtherSound can deliver up to 64 channels of 48 kHz, 24-bit PCM audio data with a network latency of 125 Microseconds . Each device in a Daisy-chain network adds 1.5 microseconds of latency. EtherSound's network latency is stable and deterministic: the delay between any two devices on an EtherSound network can be calculated. EtherSound is intended by the developer to be fully compliant with ) standards. Just as the IEEE defines both 100 Megabit and Gigabit Ethernet standards, EtherSound is being developed as both ES-100 (for use on dedicated 100 Megabit Ethernet networks or within a Gigabit network as a VLAN) and ES-Giga (for use on dedicated Gigabit Ethernet networks). COMPANIES THAT USE ETHERSOUND Fostex NetCIRA products {Link without Title} use EtherSound technology, as do products from:
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