Acoustic Ecology

Psychoacoustic Testing – Brüel & Kjær

I find it interesting how psychoacoustic testing has been developing a strong following in product development yet is not widely used in urban planning and environmental management

Psychoacoustic Test Bench Type 5301 is an advanced option to Sound Quality to assist in the tasks of:design and set-up of jury testsconducting jury testsdata collection and statistical processingcalculation of standard metrics on jury test samplesgeneration of combination metricsSubjective TestsFor each subjective test session, a play list and jury answer form are automatically produced. Jury preferences can be collected on-line using a web-based answer form and automatically transferred to an Excel worksheet for statistical and regression analysis. The program provides a fully detailed report score sheet for each jury session and saves the answer forms, play-lists and Excel worksheets for later reference. Psychoacoustic Test Bench supports both Paired Comparison and Semantic Differential tests.Objective TestsThe objective test tool calculates a set of metric values, for the sound samples used in the subjective test, from a set of user-selected metrics. The results are placed in an Excel worksheet for statistical and regression analysis. For binaural samples, left, right and mean values may be calculated.Statistical AnalysisThe statistical analysis function calculates the correlation between the objective and subjective tests. Regression analysis is used to determine and calculate the final combination metric. For validation, it also compares the predicted values from the combination metric to the actual results from the subjective listening tests.

Source: Psychoacoustic Test Bench Software – Brüel & Kjær

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Ambisonic Toolkit (ATK) for Reaper

Trond Lossius, Bergen Center for Electronic Arts, presents Ambisonic Toolkit (ATK) for Reaper, a creative an intuitive way to experience Ambisonic surround sound. Ambisonic approaches give producers and performers autonomy over how each sound is heard in any space and any playback system.

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Harpex-B Ambisonic Decoding Plugin

I have used the Harpex plugin with a Soundfield SPS200 for some years and still find it the most musical and comprehensive tool available

http://harpex.net/ — Harpex is a new B-format processing algorithm that takes into account both the non-linear, parametric nature of spatial hearing and our uncanny ability to resolve simultaneous sounds. This provides a significant step upwards in quality, producing sharper, clearer and more stable renderings of B-format material than before.

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The best VR headsets: The virtual reality race is on

Virtual reality is here – 2016 is the year when the likes of Oculus Rift, PlayStation VR and the HTC Vive take the medium mainstream.

And it’s well on its way.For the uninitiated, VR is an immersive experience in which your head movements are tracked in a three-dimensional world, making it ideally suited to games and even movies.Explained: How does VR actually work?While VR was a non-starter back in the 90s, developers are now creating mind-blowing experiences that look set to revolutionise gaming and entertainment.But what are the best VR headsets and which one should you choose? We’ve put together the definitive selection of the most gob-smackingly awesome devices just waiting to be strapped to your face. Read on for the full list…

Source: The best VR headsets: The virtual reality race is on

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Acoustic Ecology

This is an interesting article on a project to raise public awareness around local environmental issues through acoustic ecology. I like listening to the live streamed hydrophone… its noisy under water

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Sennheiser Clip-Mic Digital Iphone Lavalier Microphone 

This is interesting – a high quality lab mic for iPhone with watch remote Sennheiser Clip-Mic Digital Iphone Lavalier Microphone – TAI Audio

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Listen Project talk – sound as space

Listen to my Digital Culture Studio Talk from last October – this talk outlines the Listen(n) Project

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