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# Questions tagged [feedback]

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### Introducing Feedback to Miller Puckette's Time-Domain Pitch Shifting Algorithm without Discontinuities

I've implemented Miller Puckette's time-domain pitch shifting algorithm (http://msp.ucsd.edu/techniques/v0.11/book-html/node125.html) in PureData's help files in C++ (my code here: https://github.com/...
• 1,133
453 views

### Feedback Filtered-x LMS algorithm: question about theory

I was reading some of papers about the Active Noise Cancellation; in particular about the Filtered-x LMS algorithm, also known as FxLMS. It seems that classic FxLMS (also called Feedforward FxLMS) ...
• 197
1 vote
84 views

### How can I correct the settling time when implementing a pre-filter (reference filtering)?

I have designed a controller for the speed of a motor, I calculated that for a settling time $0.1 \; s$, it works when I test it without pre-filtering. However, I need $0$ overshoot, so I implemented ...
1 vote
30 views

### Quantifying the frequency shift of a delay with LP filtered feedback

I am working at a Karplus-Strong sound synthesis technique where an excitation impulse is subjected to a delay with feedback and a one pole LP filter in the feedback line. The process is simply y[0]=(...
• 351
29 views

### How to accomodate feedback bits from Base Station to devices in LTE or 5g?

I am trying to think of a way in which the base station (BS) can send say 100 bits of feedback to devices in my cell. My confusion is what is a good way to send this feedback bits. This is during the ...
• 151
30 views

### Effect of delayed feedback on sinusoid of frequency corresponding to delay

Question: What is the effect of a delayed feedback path with nonunity gain G on a sinusoid of frequency corresponding to the delay? Plot the effective gain as a function of G. I think this will ...
• 141