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dc.contributor.authorDias, Bruno
dc.contributor.authorMatos, David M.
dc.contributor.authorDavies, Matthew E. P.
dc.contributor.authorPinto, H. Sofia
dc.date.accessioned2016-03-14T14:51:51Z
dc.date.available2016-03-14T14:51:51Z
dc.date.issued2016-04
dc.identifier.citationDias, B., et al. "Time Stretching & Pitch Shifting with the Web Audio API: Where are we at?". In Jason Freeman, Alexander Lerch, Matthew Paradis (Eds.), Proceedings of the 2nd Web Audio Conference (WAC-2016), Atlanta, 2016. ISBN: 978-0-692-61973-5en_US
dc.identifier.isbn978-0-692-61973-5
dc.identifier.urihttp://hdl.handle.net/1853/54587
dc.descriptionPresented at the 2nd Web Audio Conference (WAC), April 4-6, 2016, Atlanta, Georgia.en_US
dc.description.abstractAudio time stretching and pitch shifting are operations that all major commercial and/or open source Digital Audio Workstations, DJ Mixing Software and Live Coding Suites offer. These operations allow users to change the duration of audio files while maintaining the pitch and vice-versa. Such operations enable DJs to speed up or slow down songs in order to mix them by aligning the beats. Unfortunately, there are few (and experimental) client-side JavaScript implementations of these two operations. In this paper, we review the current state of the art for client-side implementations of time stretching and pitch shifting, their limitations, and describe new implementations for two well-known algorithms: (1) Phase Vocoder with Identity Phase Lock and (2) a modified version of Overlap & Add. Additionally, we discuss some issues related to the Web Audio API (WAA) and frequency-based audio processing regarding latency and audio quality in pitch shifting and time stretching towards raising awareness about possible changes in the WAA.en_US
dc.publisherGeorgia Institute of Technologyen_US
dc.rightsLicensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectWeb audioen_US
dc.subjectTime stretchingen_US
dc.subjectPitch shiftingen_US
dc.titleTime Stretching & Pitch Shifting with the Web Audio API: Where are we at?en_US
dc.typePaperen_US
dc.typeProceedingsen_US
dc.typeVideo
dc.contributor.corporatenameINESC TEC, Porto, Portugalen_US
dc.contributor.corporatenameINESC-ID, IST, Universidade de Lisboa, Portugalen_US
dc.embargo.termsnullen_US


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Licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
Except where otherwise noted, this item's license is described as Licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).