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Listening tests are widely used to assess the quality of audio systems. The majority of such listening tests are conducted in controlled environments with selected participants and professional audio equipment. In the last few years, conducting listening tests over the Internet, as so called web-based experiments, has become popular. A recent study has shown that web-based experiments lead to comparable results as laboratory experiments.
Until now, it was only possible to implement a limited number of listening test types as web-based experiments because web standards were missing some crucial features (e.g. sample manipulation of audio streams). With the upcoming of the Web Audio API, a much wider range of listening test types can be implemented as new audio processing features have been introduced. This talk will demonstrate which new possibilities are enabled by the Web Audio API. To this end, the ITU-R Recommendation BS.1534 (MUSHRA) is taken as an example.
January 26, 2015 17 min
There are many existing native libraries and frameworks for audio feature extraction used in multimedia information retrieval. Many are dependent on highly optimised low level code to cope with the high performance requirements of realtime
January 26, 2015 18 min
As technologies evolve and mature, proper tooling is needed to increase adoption and combat complexity. Web audio is no exception. An overture on the state of web audio tools, we will explore using both browser developer tools that take a
January 26, 2015 22 min
January 26, 2015 15 min
At Sonoport, we ported our Dynamic Sound Engine from Adobe's Flash technology to Web Audio API. The difference in approaches to threading, scheduling, and parameters between Flash and Web Audio API created a few challenges for us. These dif
January 26, 2015 16 min
This paper discusses the presence of the sound and music computing system Csound in the modern world-wide web browser platform. It introduces the two versions of the system currently available, as pure Javascript code, and as portable Nativ
January 26, 2015 23 min
This paper discusses the features, architecture and implementation of Tone.js, a Web Audio framework to facilitate the creation of interactive music specifically suited to the affordances of the browser.
January 26, 2015 18 min
Presentation of an application that demonstrates object-based 3D audio rendering in the web browser using the Web Audio API. The application loads audio files containing object-based meta-data and provides head-tracked dynamic binaural rend
January 26, 2015 18 min
This study considers the issue of providing an individual listening experience for binaural sound reproduction in web browsers via headphones. The proposed solution aims at building a web framework with Web Audio API, giving support to the
January 26, 2015 16 min
Large multi-channel spatial audio systems have historically been a playground for universities and well-funded studios, but only a dream for independent composers. Similarly, "parallel computers" were locked in research facilities where
January 26, 2015 22 min
The web has supported multiple media since its inception - however, only recently has it become a viable platform for building audio applications. The talk will examine the journey of audio in the web platform, the intersection of interesti
January 26, 2015 37 min
In this article we present an API and a set of JavaScript modules for the synchronized scheduling and aligned playback of predetermined sequences of events such as notes, audio segments, and parameter changes as well as media streams (e.g.
January 26, 2015 20 min
MUSIC was a programming language developed by Max Mathews at Bell Labs in 1957. In this talk we'll learn more about Max Mathews, the origins of computer music, and by building a compiler for MUSIC in JavaScript hear what some of the very fi
January 26, 2015 35 min
The introduction of the Web Audio API has enriched the web landscape enormously. It gives game developers the ability to add precisely timed, high performant sound effects and to create realistic spatialized sound landscapes. For many web
January 26, 2015 19 min
A large collection of Digital Audio Workstation (DAW) plugins is available on the Internet in open source form. This paper explores their reuse in browser environments, focusing on hosting options that do not require manual installation. Tw
January 26, 2015 17 min
The audio programming world is extremely prolific in domain-specific languages. Programmers and musicians prefer a custom-tailored environment where their high-level ideas can be better expressed and implemented thanks to specific domain kn
January 26, 2015 16 min
Braid (Browser Audio Interface and Database) is a web audio instrument-building environment developed with the NexusUI platform. To identify the requirements of such an environment, the utility of NexusUI as an audio interface engine for we
January 26, 2015 16 min
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