UrMusic Philosophy

“Theory is a recipe for style” (James Tenney)

egyptian-musiciansUrMusic Creative Research follows a philosophy of music that considers style a compounding of evolutionaryenvironmental, and cultural patterns of observationevaluation, and imitation that obscure the dynamicemergent properties of interactive gesture (body), acoustical space (environment), and neural entrainment (ear/mind).

Paul Ruston (director), September 2016

VIDEO LESSON 01 – THE HARMONIC SERIES & EQUALISATION (E.Q.) (Architectures of Music)

Here I show the spectral make-up of ‘harmonic’ sounds (sometimes called ‘musical’ sounds, a term I dislike). Using a sample of a male choir singing a single long tone, the spectral components of the sound are revealed through a demonstration of the 3 basic parameters of E.Q. (equalisation), a studio tool that is used to shape timbre, or ‘tone colour’), which include ‘centre frequency’, ‘gain’, and ‘Q’ (quality factor). This is used to introduce the harmonic series, which will be an important reference point for many of the following videos.

Ahnert Festal Media Group (AFMG) real-time acoustic analysis and simulation

Ahnert Festal Media Group, Berlin, Germany (efmg.eu)

In cooperation with our partner company SDA Software Design Ahnert GmbH we develop and distribute software for

  • Electro-acoustic and room-acoustic modeling
  • Electronic and acoustic measurements
  • RF and infrared simulation
  • Event technology
  • Applications in engineering and physics
  • Software development and maintenance

Located in Berlin, Germany, AFMG is a worldwide leader in software for the pro-audio industry and has created the industry standards EASE and EASERA software for acoustic simulation and measurement as well as their related products EASE Focus, EASERA SysTune, EASE Address and EASE SpeakerLab.

from: http://www.afmg.eu/index.php/company.html (accessed 23 Nov 2016)

EASERA Software (pc)

Electronic and Acoustic System Evaluation and Response Analysis

EASERA is the unrivaled solution for electronic and acoustic analysis with industry standard quality and incredible flexibility and power.

EASERA consists of four logical parts:

  • Signal generator
  • Measurement
  • Real time analyser
  • Post processing

EASERA provides both data acquisition with a variety of stimulus signals including Time Delay Spectrometry, sweeps MLS or noise excitation signals and a post processing engine to calculate all acoustic functions or measures according to ISO Standard 3382 and higher.

The real time analyser provides multiple ways to perform a fast onsite analysis or to obtain a precise view of the surrounding acoustic environment.

Although many of these tools are available in one form or another in several products, EASERA is the first to bring them all together in one unified measuring package.

EASERA can be run on Microsoft Windows XP or higher and in conjunction with nearly every modern measurement interface.

from: http://www.afmg.eu/index.php/company.html (accessed 23 Nov 2016)

Source: Products – AFMG – Ahnert Feistel Media Group

VIDEO LESSON 05 – PENTATONIC SCALE FROM HARMONIC PROPORTION (Architectures of Music)

Here I show a simple mathematical description for the most common genera of pentatonic scales – the modes of the major pentatonic scale – and related the model to the harmonic series. Specifically, I describe the major pentatonic scale using a single frequency ratio of 3/2, the interval relationship found between the 2nd and 3rd partials of the harmonic series. In western terms, the 3/2 frequency ratio is called a ‘Perfect 5th’.

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