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Room EQ Wizard - REW Home Page

Room EQ Wizard - REW Home Page

Music Acoustics, Physics, UNSW Physics and music have been related for millenia. The art and science of music acoustics are presented here, in musician-friendly format, as is our research in music science. Navigate using the headings and images above, the site map or 'search'. News Summer scholarships and Honours scholarships are available for Australian students. Featured projects An unusual interaction between timpani and horns.

Screenshots | Hydrogen Main Window New audio file browser with sample preview New sample editor New sound library web import interface Hydrogen and qjackctl on windowsXP jazz chord substitution chord substitution concepts Harmonic substitution is simply about replacing one chordal sound with another, or as I need to think of it, as one color for another. Whether it is in the written harmony from sheet music or the harmony implied by the melody, the theoretical concepts behind chord substitution becomes "search" tools for the learner. The coolness here is that we can create different shades of color, allowing for a variety of ways to blend the melody and harmony of a song together. Through chord substitution we can create different pathways to the same emotional, tonal and artistic destinations. Theory / practice. Stylistically, substituting harmonic elements is not something that folk players or the rockers tend to do, although changing the color of chords in these two styles is not uncommon. So, where do the cool chord substitutions come from? So why is substituting one chord for another potentially important for the creative musician? Chord type. Tonic chord substitutions.

Acoustic Sound is conveyed through waves in the air. Waves that exist between a pair of surfaces can create standing wave resonances whenever the distance between the surfaces is any even multiple of one-half of the wavelength. At resonant frequencies (tones), the sound is louder and decays much more slowly than at non-resonant frequencies, causing uneven tonal quality and interference with clarity. Resonant frequencies occur mainly in the bass range, due to the relationship between the wavelengths of low-frequency sounds and the typical sizes of listening rooms. Every room has its associated resonant frequencies. Room built with angles walls or ceilings have more complicated resonant modes than typical rectangular rooms and the resonances can be potentially less severe. But, no matter what the size or shape of the room, resonant frequencies can be controlled through the use of Bass Traps.

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Full List | 50 Best Android Apps for 2013 50 Must-Read Pro Audio Articles from 2013 Latest Popular Featured The Pro Audio Files 50 Must-Read Pro Audio Articles from 2013 By Dan Comerchero on 12/26/2013 · Articles Well here we are again. 2013 was fun. We’re also currently redesigning the site, and incredibly excited to share the new design with you. It’s become a tradition to do a year-end roundup. Production Advice: Sonic Scoop: Randy Coppinger: Recording Hacks: Mark Marshall: Kim Lajoie: Designing Sound: The Home Recording Show: Audio Geek Zine: Pro Sound Web: Mix Notes: WinkSound: Home Studio Corner: Audio Issues: Behind the Mixer: The Recording Revolution: You might also like: Dan Comerchero I'm Dan, Founder of The Pro Audio Files and Quiztones ear training apps. Recommended

Acoustics Abatement and Distance from Source The disruption of sound pressures waves which reduces the noise is called attenuation - Sound Pressure Level Calculator Acceptable Noise - dBA - Levels Acceptable noise - dBA - levels at some locations Acoustic Calculation of Ventilation Systems A procedure for acoustic noise calculation of ventilation systems Adding Decibels The logarithmic decibel scale is convenient calculating sound power levels and sound pressure levels for two or more sound sources Blade Dampers and Noise Generation Noise generated in blade dampers Blade Pass Frequency - BPF The fan Blade Pass Frequency noise can be very intense - vary with number of blades and rotation velocity Classification of Noise Reduction Silencers Eliminating noise with reactive silencers - diffuser type silencers - active silencers and/or dissipative silencers Comparing Noise Criteria Comparing Noise Criteria - Noise Criterion (NC), Noise Rating (NR) and dB(A) Daily Noise Dose Level Decibel Decibel A, B and C Sound Power

Top 25 Android apps: The best of the best The Android Market may not have as many apps as the iPhone App Store yet, but there are still enough to be overwhelmed, and it's growing at a breakneck pace. To help you sort through them all, here's my list of the best apps I've found on Android. Again, remember that this is a snapshot in time. The Android platform is developing so quickly right now that I guarantee my home screen look different a month from now. The best way to view my list of the top Android apps is in the screenshot gallery. The screenshots The list 1. Google Voice is a service that is so useful I consider it one of the top benefits of Android itself, especially since Apple rejected the Google Voice app for the iPhone. 2. One of the realities of having a multitasking mobile OS in Android is that you have to manage your apps so that they don't hurt performance or battery life. 3. Dropbox is a great cloud service that automatically syncs a folder of files between multiple computers (Windows, Mac, or Linux). 4. 5. 6. 7.

♫ Tony-b Machine ♫ Room Acoustics Calculator The Room Acoustics Calculator enables you to design the acoustics of a room according to DIN 18041 and ÖNORM B 8115-3. After the usage and the appropriate standard have been selected the calculator derives the relevant design quantities, tolerance ranges or limits, and the corresponding state of the room (furnished, unfurnished, occupied or unoccupied). Where a room is required to provide good audibility over greater distances, such as, for example, in a lecture hall, both standards require compliance with a reverberation time T within a given tolerance range. For rooms where the main issue is noise reduction, and good audibility is only desired over shorter distances as, for example, in open plan offices, different design quantities are defined in the two standards. DIN 18041 uses the noise reduction ΔL and an average absorption coefficient α–of the room’s surface area. You will find the Room Acoustics Calculator on the websites of:

40 News Apps For Android Tablets Nowadays, the majority of us have moved away from the traditional newspaper and started using the internet to get updated on the latest happenings in politics, business, entertainment and other fields. Our current generation would rather read an electronic copy than the paper, but a phone’s screen is too small, therefore anyone who has a tablet prefers using that for their daily dose of news. In this roundup, I’ll cover my favorite news apps which are optimized for Android tablets. These are distributed into five different topics: General News, Regional News, Tech, Lifestyle, and News Aggregators. Like the article? Looking for more tablet-optimized Android apps? General News The Times Tablet Edition The Times is one of the biggest newspapers in the world. Price: FreeRequires: Android 3.0 or aboveGoogle Play Link: The Times Tablet EditionDeveloper: Times Newspapers Limited The Wall Street Journal The Chronicle Herald News The Economist POLITICO For Tablet BBC News Huffington Post (Tablet)