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Timing is Everything: Time-aligning Speakers for Your PA
https://www.sweetwater.com/insync/timing-is-everything-time-aligning-supplemental-speakers-for-your-pa/#:~:text=If%20you%20need%20to%20calculate%20delay%20manually%2C%20then,affect%20the%20actual%20speed%20at%20which%20sound%20travels.
Phase angle calculation time delay frequency calculate ...
http://www.sengpielaudio.com/calculator-timedelayphase.htm
Phase angle (deg) φ = time delay Δ t × frequency f × 360 If you take the time difference Δ t = path length a / speed of sound c , then we get Phase difference φ ° = path length a × frequency f × 360 / speed of sound c
How to Calculate Delay Times - Samplecraze
https://samplecraze.com/tutorials/how-to-calculate-delay-times/
Divide the BPM of your mix by 60. That will give you a 1/4 note value. Halve the 1/4 note value (or divide by 2) and you get the 1/8 value. Halve the 1/8 note value (or divide by 2) and you end up with the 1/16 value. To calculate Dotted Value multiply the calculated delay value by 1.5.
Audio Delay Calculator for Live Sound
https://www.brightonsoundsystem.co.uk/calculator/audio-delay.php
Audio Delay Calculator for Live Sound Distance between Speakers Delay Needed: milliseconds. Use this calculator to discover the delay needed between two sets of loudspeakers. Just measure the distance between them and hit Calculate. Having the correct delay will prevent noticable echo on your sound system. Essential for live sound and conferences.
Timing is Everything: Time-aligning Speakers for Your PA
https://www.sweetwater.com/insync/timing-is-everything-time-aligning-supplemental-speakers-for-your-pa/
If you need to calculate delay manually, then there’s a straightforward formula you can use to get pretty close: Ds = X/C*1000. Ds is the delay in milliseconds. X is the distance from the main speakers in feet. C is the speed of sound in feet/second. While the speed of sound is technically 1126 feet/second at sea level (assuming a temperature of 68 degrees Fahrenheit …
Time difference per sound path distance ms per meter or ...
http://www.sengpielaudio.com/calculator-soundpath.htm
Calculation of time delay Δ t per distance r Time difference and sound path (distance or length) Conversion: Delay time to milliseconds or microseconds ←→ sound path to meters, cm, feet or inches The acoustic time of the travelling sound is converted to distance, or the length is converted to time
Loudspeaker time delay tables. Free data sheet by GB Audio
http://www.gbaudio.co.uk/data/time.htm
Some of the more clever time alignment units can be set up by punching in the distance between the delay speakers and source and then translating it to milliseconds. Many manufacturers now produce programmable DSP engines or software based systems which can be programmed to process multi-channel audio with compression, eq, filtering, priority ...
DIGITAL AUDIO EFFECTS - Stanford University
https://ccrma.stanford.edu/~orchi/Documents/DAFx.pdf
max_time_delay=0.003; % 3ms max delay in seconds rate=1; %rate of flange in Hz index=1:length(x); % sin reference to create oscillating delay sin_ref = (sin(2*pi*index*(rate/Fs)))'; %convert delay in ms to max delay in samples max_samp_delay=round(max_time_delay*Fs); % create empty output vector y = zeros(length(x),1);
Time alignment - miniDSP
https://www.minidsp.com/applications/dsp-basics/time-alignment
Set the delay on the midrange output channels to the value measured as the acoustic delay between the woofer and midrange (0.221 ms in our example). Set the delay on the tweeter output channels to the above delay plus the acoustic delay between the midrange and tweeter (0.221 + 0.066 = 0.287 ms in our example).
Delay Time - Tutorialspoint
https://www.tutorialspoint.com/control_systems/control_systems_time_domain_specifications.htm
The final value of the step response is one. Therefore, at t = td, the value of the step response will be 0.5. Substitute, these values in the above equation. c(td) = 0.5 = 1 − ( e − δωntd √1 − δ2)sin(ωdtd + θ) ⇒ ( e − δωntd √1 − δ2)sin(ωdtd + θ) = 0.5. By using linear approximation, you will get the delay time td as.
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