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Chart: Typical values of NRC (noise reduction coefficient) for some common materials. Green (top) indicates most absorbent; red (bottom) most reflective. Note that NRC values do vary substantially according to whether materials are, for example, painted or coated with other materials. Even so, ...
The following example uses the SoundMixer.computeSpectrum() method to show a chart of the sound waveform that animates with each frame: import flash.display.Graphics; import flash.events.Event; import flash.media.Sound; import flash.media.SoundChannel; import flash.media.SoundMixer; import flash...
The following line chart shows 16 generated mel frequencies as squares and the corresponding frequencies in hertz as circles: Create the filter bank The sample creates the filter bank matrix withfilterBankCountrows andsampleCountcolumns. Each row contains a triangular window that starts at the previous...
sound level chart sound level distance sound levels sound level meter sound level value sound libray sound localization sound localization acuity sound measure sound mirror sound monitoring sound particle velocity sound particle velocity amplitude sound power sound power level sound power quantity sound pre...
bin/midi_cc_chart.rb This displays a table with MIDI Control Change (CC) values, either from a MIDI input or a MIDI file, in real time. bin/midi_cc_chart.rb spec/test_data/midi.mid CCs | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 ---+---+---+---+---+---+...
Spectral methods of sound synthesis involve observing a sound wave’s frequency spectrum (the frequencies and amounts of each of the components that make up the sound) and re-creating that spectrum to mimic the original. Most of the sounds we hear in the real world are broadbanded; that is...
The following line chart shows 16 generated mel frequencies as squares and the corresponding frequencies in hertz as circles: Create the filter bank The sample creates the filter bank matrix with filterBankCount rows and sampleCount columns. Each row contains a triangular window that starts at the...
Here is another Frequency chart of the same track. I think a problem in the first pic is that I didn't have the resolution size set high enough, it was 1024. Here it is again at 16384. Now the roll off goes beyond -96dB to -114dB. If this is what was causing the confusion I...
Wave propagation in a regular waveguide is also presented as comparison. Panels c, d are adapted from ref. 43 Full size image Here, we demonstrate in detail how the acoustic analogue QSHE can be realized in a honeycomb lattice consisting of steel rods in air, based on the accidental ...