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Signal Processing

Questions tagged [distortion]

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93 questions
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6 votes
3 answers
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Suppose we start with a baseband analog signal, and we turn it into a frequency-modulated signal. Then, the signal is put through a comparator, and gets turned into a binary signal (high or low), with ...
Orange Quilt's user avatar
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0 answers
28 views

I have a question regarding the solution of the Information Bottleneck (IB) method in the Gaussian setting. Suppose $(X, Y)$ is a pair of random variables jointly distributed according to a ...
Giorgio Bianchi's user avatar
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1 vote
0 answers
78 views

I have a second order lowpass filter in continuous state space form: $$\dot{x}=Ax+Bu$$ $$y=Cx+Du$$ $$ A = \begin{pmatrix}% 0 & 1 \\% -\omega_N^2 & -2\zeta\omega_N% \end{pmatrix}% ;B= ...
AlS's user avatar
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1 vote
1 answer
76 views

I was upsampling a track from 44.1/16 to 88.2/24 and it clipped at one spot. Looking at this sample in the original file reveals an evident PCM error - the sample sign is reversed. As a result, the ...
safesphere's user avatar
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0 votes
1 answer
112 views

I'm writing an audio synthesizer in C, but I've encountered audio distortion that I can't remove. In order to isolate the problem, I've removed most of my code except the following snippet: ...
Jacob Brennan's user avatar
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1 vote
0 answers
53 views

I am trying to model the behavior of an audio amplifier through the Parallel Wiener-Hammerstein (PWH) black-box model that can approximate very well a wide range of nonlinear systems. I performed the ...
Pino's user avatar
  • 33
1 vote
1 answer
39 views

I have video recordings of a behavioral experiment on mice. The camera is rigidly attached to the ceiling. Below the camera is a round table with round holes. Unfortunately, the camera is not strictly ...
zlon's user avatar
  • 149
0 votes
1 answer
60 views

I'm working on building a mobile app that would play a sound via speaker, record itself and process this recording to identify faults within speakers, what meastures or parameters should be considered ...
Priyank Joshi's user avatar
  • 101
0 votes
2 answers
89 views

I'm trying to create an app that measures the audio quality, this is ideally to filter out blown out or cracking speaker who has different types of distortions, what would be the best measurement ...
Priyank Joshi's user avatar
  • 101
1 vote
1 answer
73 views

The Dynamic time warping is applied for time normalization. As shown in the diagram, two different signals with $Tx$ and $Ty$ time instants, are time-normalized to have $T$ time instants. $\phi$ is ...
Anantha Krishnan's user avatar
  • 87
2 votes
2 answers
136 views

Consider the problem of lossily compressing a memoryless binary source $X \sim \operatorname{Bernoulli}\left(\frac{1}{2}\right)$ at target Hamming distortion $D < \frac{1}{2}$. According to the ...
nalzok's user avatar
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4 votes
0 answers
120 views

Let's say $X \sim N(0, 1)$ is a standard Gaussian input signal and $Y \sim U\{y_1, y_2, \cdots, y_{16}\}$ follows a discrete uniform distribution (in fact, $\{y_1, y_2, \cdots, y_{16}\}$ is a ...
nalzok's user avatar
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0 votes
1 answer
165 views

Here is the image of a plugin distortion I have applied to a sine wave. The sound characteristic is heavily distorted and digital but still good sounding bass wave. Any ideas what kind of distortion ...
TiagoLr's user avatar
  • 111
1 vote
1 answer
86 views

I am studying a pair of AC signals for voltage and current. In a long run, I found a distortion happening as shown in the attached picture. I want to understand what could possibly have happened in ...
Woody Wu's user avatar
  • 113
3 votes
0 answers
215 views

I am working on analyzing the total harmonic distortion (THD) vs. frequency curve for an acoustic system. I am aware of the traditional method of exciting the system with a mono-frequency wave and ...
DSP novice's user avatar
  • 527

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