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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.
JACK Audio Connection Kit (or JACK; a recursive acronym) is a professional sound server API and pair of daemon implementations to provide real-time, low-latency connections for both audio and MIDI data between applications.
Virtual Audio Cable is a software product based on WDM multimedia driver that allows a user to transfer audio streams from one application to another. Any application is able to send an audio stream to the input side of a "virtual cable" while a corresponding application can receive this stream from the output side.
While standard web conferencing software is designed to facilitate remote audio and video communication, it has too much latency for live musical performance. [ 1 ] [ 2 ] Connection-oriented Internet protocols subject audio signals to delays and other interference which presents a problem for keeping latency low enough for musicians to play ...
To reduce latency as much as possible, Jamulus makes use of compressed audio and the UDP protocol to transmit audio data. Total latency is composed of: network latency due to delays within the network - every 300km is responsible for at least 1 ms extra latency since the speed of light limits the data transport on internet.
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
HyperMAC is an improved protocol based on Gigabit Ethernet physical layer, allowing more channels and lower audio latency. [6] It was considered for an alternate physical layer in a future revision of AES50, [ 4 ] but standardisation did not move forward.
Bufferbloat is the undesirable latency that comes from a router or other network equipment buffering too many data packets.Bufferbloat can also cause packet delay variation (also known as jitter), as well as reduce the overall network throughput.