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Low-latency audio over IP on embedded systems
Citation Link: https://doi.org/10.15480/882.1643
Publikationstyp
Master Thesis
Date Issued
2013-10-02
Sprache
English
Author(s)
Advisor
Referee
Title Granting Institution
Technische Universität Hamburg-Harburg
Place of Title Granting Institution
Hamburg
Examination Date
2013-10-24
Institut
TORE-DOI
Transmission of audio data over networks, such as the Internet, is a widespread technology. Up to now, the primary application is voice transmission (Voice over IP). Although modern Voice over IP systems are designed to reduce the audio latency, it is still too high for the bidirectional transmission of live music. The construction of a low-latency music environment would enable distributed musical performances and "Jamming over IP". This thesis takes a step in this direction by building an Audio over IP system as an embedded system. All components needed for a jamming session over the Internet are integrated in a handy box on the basis of a Raspberry Pi. This required the development of a Linux kernel driver. Furthermore, a software for low-latency audio transmission is build and evaluated, considering audio quality, data rate, and the reduced computational power of the embedded system.
Subjects
Networked music performance
Linux kernel
Raspberry pi
DDC Class
004: Informatik
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