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Audio Effects - Phase Shifter - Anadigm
https://www.anadigm.com/_kits/kit3/Effects%20-%20Phaser.pdf
simple audio phase shifter using Anadigm®’s AN221E04 FPAA device. The circuit is accompanied by a software controller which performs the frequency sweep of the phaser. The implementation included in this kit uses algorithmic programming of the phaser elements, and runs on a Windows platform. Alternative methods can be used, targeting other
What is "Phase Shifter"?
https://www.sweetwater.com/insync/phase-shifter/
Phase shifters are in the family of time-based effects commonly used on instruments and voices in music production. Phase shifting works by taking the input signal and adding a very small amount of delay to it, and then mixing it back with the original (non-delayed) signal so that certain frequencies of the audio are in or out of phase with each other.
Frequency Independent Phase Shifter - Circuit Cellar
https://circuitcellar.com/research-design-hub/frequency-independent-phase-shifter/
Our precise frequency independent phase shifter was designed in the range of 4kHz-8kHz. A tolerance of 5 degrees for the frequency range of 4kHz-8kHz was obtained. For this this project, I relied on an accumulation of learning from various research papers, so it’s an adoption of an existing approach.
Quadrature phase shifter for audio frequency sinewaves ...
https://iopscience.iop.org/article/10.1088/0957-0233/8/6/015
A quadrature phase shifter for sinusoidal signals is presented. The circuit provides phase delay (within ) and unity gain (within 6%) in the frequency range 100 Hz to 10 kHz. It consists of a second-order lowpass current-controlled filter; the cutoff frequency is mantained equal to the input frequency with a frequency to current converter.
Phase positions and phase shifts explained - Teufel …
https://blog.teufelaudio.com/phase-positions-and-phase-shifts-explained/
In simple terms, these headphones use a microphone to pick up ambient noise and emit a signal with the same frequency, phase-shifted by 180°. The effect is that the ambient noise is significantly attenuated. We only hear what we actually want to hear. Phase shifts in the low-frequency range
CONTROLLING PHASE SHIFT DIGITALLY A simple phase shift ...
https://pdfserv.maximintegrated.com/en/an/AN184.pdf
A simple phase shift circuit can be implemented using an allpass filter. Figure 1 As the signal frequency varies from DC to infinity, the phase shift will vary from 0 to +180 degrees. You can also see that by varying R1, the phase shift at a given frequency will vary likewise. If the position of R1 and C1 are reversed, as in Figure 2, the transfer function becomes Application Note 184
Phase shift and its importance in audio amplifiers ...
https://electronics.stackexchange.com/questions/155649/phase-shift-and-its-importance-in-audio-amplifiers
I firstly feed that sigal through a band-pass filter with corner frequencies at about 20Hz and 200Hz. This is how it looks like in LTspice: Upper three op-amps are configured as high-pass and lower three as low pass active filters. The frequency response of the circuit looks good, but there is -100 to -1300° phase shift.
analog - How can I make a phase shift in an audio signal ...
https://electronics.stackexchange.com/questions/421459/how-can-i-make-a-phase-shift-in-an-audio-signal-without-changing-the-frequency-r
The subwoofer and two-way enclosures have a good overlap in the bass frequencies, however, due to the low-pass filter in the subwoofer amp, there's a phase shift ranging from 60º to 50º in the 0-50 Hz range, the subwoofer being the one "lagging".
DESIGN NOTE: Quadrature phase shifter for audio frequency ...
https://ui.adsabs.harvard.edu/abs/1997MeScT...8..673C/abstract
A quadrature phase shifter for sinusoidal signals is presented. The circuit provides 0957-0233/8/6/015/img1 phase delay (within 0957-0233/8/6/015/img2) and unity gain (within …
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