Wired Audio Networking is an established practice since years, based on both proprietary solutions or open hardware and protocols. One of the most cost-effective solutions is the use of a general purpose IEEE 802.3 infrastructure and personal computers running IP based protocols. One obvious shortcoming of such setup is the lack of synchronization at the audio level and the presence of a network delay affected by jitter. Two approaches to sustain a continuous audio flow are described, implemented by the authors in open source projects based on a relative and absolute time adaptive resampling. A description of the mechanisms is provided along with simulated and measured results, which show the validity of both approaches.
Clock skew compensation by adaptive resampling for audio networking / Gabrielli, Leonardo; Bussolotto, Michele; Squartini, Stefano; Adriaensen, F.. - Volume 1:(2015), pp. 425-434. (Intervento presentato al convegno 138th Audio Engineering Society Convention, AES 2015 tenutosi a Warsaw; Poland nel 7 May 2015 through 10 May 2015).
Clock skew compensation by adaptive resampling for audio networking
GABRIELLI, LEONARDO;BUSSOLOTTO, MICHELE;SQUARTINI, Stefano;
2015-01-01
Abstract
Wired Audio Networking is an established practice since years, based on both proprietary solutions or open hardware and protocols. One of the most cost-effective solutions is the use of a general purpose IEEE 802.3 infrastructure and personal computers running IP based protocols. One obvious shortcoming of such setup is the lack of synchronization at the audio level and the presence of a network delay affected by jitter. Two approaches to sustain a continuous audio flow are described, implemented by the authors in open source projects based on a relative and absolute time adaptive resampling. A description of the mechanisms is provided along with simulated and measured results, which show the validity of both approaches.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
