Questions tagged [perceived-quality]

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What set of non-intrusive measures (features) would help to identify bad recordings before speech recognition process?

I'd like to try various non-intrusive features (parameters) that could be calculated from speech recordings (no clean reference) to eliminate bad recordings before doing speech recognition. What set ...
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PSNR and SSIM on non-rectangular image regions

My goal is to compare the quality of an image with its low-resolution versions using an object quality metric like PSNR. Since such metrics can only be applied on same-sized images, I first upscale ...
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197 views

How can I dedupe my audio library programatically, prioritizing the deletion of lower quality versions of the same song, and then guessing from there?

First, thank you for your attention to my question! I hope that you will share your thoughts and suggestions with me. I realize that any algorithm is going to inevitably delete many (if not all) of ...
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20 views

Sweep through a resonance simulated with FM+AM

I'm working on a hobby project involving music synthesis with parallel processing on my dekstop computer's GPU. The technique is that for a sound that has some time-varying spectrum of partials, I ...
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2answers
48 views

Does Short-time Fourier transform impact quality of signal?

I am playing with spleeter to separate voice from an audio signal. They go to the frequency domain by computing the Short-time Fourier transform to create a spectrogram. As there are some ...
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126 views

Quality of experience engineer

I have noticed certain overlap between digital signal processing and quality assurance for jobs that require expertise in evaluating the quality of the transmitted signals on telecommunication systems ...
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2answers
303 views

Audio Quality Assessment [duplicate]

I need an algorithm to assess the quality of a given audio. The task, is considered to be no-reference. Can anyone help me whether there is any method for quality assessment of any given audio? edit1:...
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3k views

Why is PSNR used for image quality metrics instead of SNR?

I have been trying to determine why is PSNR used instead of SNR for image quality metrics? I have read through several books and most just say that PSNR is used instead of SNR, but don't give a ...