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Latency refers to a short period of delay (usually measured in milliseconds) between when an audio signal enters a system, and when it emerges.Potential contributors to latency in an audio system include analog-to-digital conversion, buffering, digital signal processing, transmission time, digital-to-analog conversion, and the speed of sound in the transmission medium.
Dependent on latency class and network speed [citation needed] Unlimited 2 ms or less 192 kHz mLAN: 2000-01 [7] IEEE 1394: Isochronous Coexists with IEEE 1394 IEEE 1394, MIDI Tree Provided by IEEE 1394b IEEE 1394 cable (2 power, 4 signal): 4.5 m 100 m 63 devices (800 Mbit/s) 354.17 μs 192 kHz [l] Optocore [m] Dedicated fiber Synchronous
Latency depends on packet time, propagation and queuing delays, packet processing overhead, and buffering in the destination device; thus minimum latency is the shortest packet time and network forwarding time, which can be less than 1 μs on a point-to-point Gigabit Ethernet link with minimum packet size, but in real-world networks could be ...
Latency, from a general point of view, is a time delay between the cause and the effect of some physical change in the system being observed. Lag, as it is known in gaming circles, refers to the latency between the input to a simulation and the visual or auditory response, often occurring because of network delay in online games.
AVB guarantees a latency of 2 ms for Class A traffic and 50 ms for Class B traffic over a maximum of 7 hops, with a transmission period of 125 μs for Class A and 250 μs for Class B traffic. An IEEE 802.1AS network timing domain includes all devices that communicate using the gPTP protocol.
In audio and broadcast engineering, audio over Ethernet (AoE) is the use of an Ethernet-based network to distribute real-time digital audio.AoE replaces bulky snake cables or audio-specific installed low-voltage wiring with standard network structured cabling in a facility.
Dante is the product name for a combination of software, hardware, and network protocols that delivers uncompressed, multi-channel, low-latency digital audio over a standard Ethernet network using Layer 3 IP packets. [5] Developed in 2006 by the Sydney-based Audinate, Dante builds on previous audio over Ethernet and audio over IP technologies.
Low latency is important for many users of audio over Ethernet technologies. [6] [note 2] EtherSound can deliver up to 64 channels of 48 kHz, 24-bit PCM audio data with a network latency of 125 microseconds. [2] If A/D and D/A conversions are included, this latency is about 1.5 milliseconds, the major part of this latency being caused by the ...