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Questions tagged [quality-factor]

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How to accurately estimate the quality factor of a noisy signal

I'm currently interested in measuring the quality factor of a noisy signal. For the purposes of example, consider a single degree of freedom mechanical system excited by white noise: \begin{equation} \...
AnonymousPlatypus's user avatar
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0 answers
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Audio sample analysis - Comparing two audio samples, the original sample with a reproduction capture sample [duplicate]

Already asked in sound.stackexchange.com but it was suggested by one of the comments that it would be better suited to be asked here. Introduction I'm currently working on a project where I'm ...
Carlos Ferreira's user avatar
3 votes
3 answers
138 views

Is it possible to "determine"/"evaluate" the perceived quality of a music audio/video record by using software in an automatic way?

I have a fairly large collection of audio/video bootlegs recorded at live performances by various artists. The recordings all come from very different sources and people through decades, and all of ...
terrorrussia-keeps-killing's user avatar
0 votes
0 answers
29 views

Compute objective speech quality from Anritsu data

I want to compute an objective speech quality however what I have right now is the Anritsu raw data (layer between the Base Station Controller and the Mobile Switching Center), this raw data does not ...
Nassereddine Belghith's user avatar
2 votes
1 answer
64 views

How to calculate linear index of fuzziness of an image?

i am trying to calculate linear index of fuzziness of an image using this formula: i have to see a positive value according to the paper. But i see a negative value, so i think i am doing something ...
beyblade41's user avatar
0 votes
1 answer
159 views

Analyzing the quality of a music track

I have a library of music tracks that I use to DJ with. Its currently about 3000 tracks that I have gather over the years. Some of it consists of low quality rips that I want to get rid of. ...
Robert Lemiesz's user avatar
9 votes
2 answers
2k views

How to detect continuous noise in audio call?

We want to detect bad audio quality in audio call. Should we extract this information from amplitude or frequency spectrum ? Is there any technique/transform/filter available for this ? Example: I ...
user31281's user avatar
0 votes
2 answers
4k views

Why does a pole close to the unit circle result in an enhanced Q-factor?

I have the following pole zero plot (in Z-domain) of a digital filter, where its poles lie far away from the unit circle, with its corresponding frequency response: On the other hand I have this one:...
LandonZeKepitelOfGreytBritn's user avatar
2 votes
1 answer
4k views

What's the Q of a pole at the origin of the s-plane?

I'm writing a simple function in Python to return the Q of a circuit, given its poles. The Q of a system with pole p, can be found using $Q=-\frac{\left|p\right|}{2*Re(p)}$. Obviously, in a natural ...
Omegaman's user avatar
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