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Dithering audio before quantization - MATLAB & Simulink
https://www.mathworks.com/matlabcentral/answers/108931-dithering-audio-before-quantization
I have to write a matlab script that implements the audio dithering. The script receives as input a wav audio file (coded at 44.1kHz and 16 bit) and it has to be compressed at 2-3 bit! I have to show the difference between using a …
wavdither - File Exchange - MATLAB Central
https://www.mathworks.com/matlabcentral/fileexchange/34367-wavdither
Exports audio data to a .wav file with dithering. 2.0 (1) ... Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting! Discover Live Editor. Create scripts with code, output, and formatted text in a single executable document. Learn About Live Editor.
Audio Dither
http://www2.ece.rochester.edu/courses/ECE472/Site/Assignments/Entries/2009/1/15_Week_1_files/Assignment%20%232.pdf
Audio Dither Goal: The purpose of this project is follow the paper of Lipshitz 2004 and to reproduce the results illustrating the value of dither for reducing harmonic distortion in a low level quantized audio signal. Step 1: Since Matlab signals are inherently digital we have to “cheat” a bit in these simulations.
dither - MathWorks - Makers of MATLAB and Simulink
https://www.mathworks.com/help/matlab/ref/dither.html
Convert the image to binary by using the dither function. corn_bw = dither (corn_gray); Display the binary image. Although pixels in the binary image only have the value 0 or 1, the image appears to have shades of gray because of dithering. imshow (corn_bw)
There are several types of dithering ... - MATLAB & Simulink
https://www.mathworks.com/matlabcentral/answers/426404-there-are-several-types-of-dithering-which-type-is-the-the-matlab-function-dither
There are several types of dithering. Which type is the the matlab function "dither()" ? Follow 18 views (last 30 days) Show older comments. Iremsu Savas on 27 Oct 2018. Vote. 0. ⋮ . Vote. 0. Answered: Steven Lord on 27 Oct 2018
5.3.7 The Mathematics of Dithering ... - Digital Sound & Music
http://digitalsoundandmusic.com/5-3-7-the-mathematics-of-dithering-and-noise-shaping/
5.3.7 The Mathematics of Dithering and Noise Shaping. Dithering is described in Section 5.1.2.5 as the addition of low-amplitude random noise to an audio signal as it is being quantized. The purpose of dithering is to prevent neighboring sample values from quantizing all to the same level, which can cause breaks or choppiness in the sound.
Matlab function: dither – Convert image, increasing ...
https://itectec.com/matlab-ref/matlab-function-dither-convert-image-increasing-apparent-color-resolution-by-dithering/
Display the grayscale image using imshow. imshow (corn_gray) Convert the image to binary by using the dither function. corn_bw = dither (corn_gray); Display the binary image. Although pixels in the binary image only have the value 0 or 1, the image appears to have shades of gray because of dithering. imshow (corn_bw)
Audio signal dither and noise shaping - Signal Processing ...
https://dsp.stackexchange.com/questions/15436/audio-signal-dither-and-noise-shaping
So in answer of my own question, if you are going to dither and not noise-shape, there is limited value in using a complex transfer function for the dither pattern, because the quantisation noise floor still exists with dither and the regions that might come out especially clear with shaping are not accessible with plain dither.
Halftoning and dithering - File Exchange - MATLAB Central
https://www.mathworks.com/matlabcentral/fileexchange/30550-halftoning-and-dithering
Halftoning using the BAYER's matrix for grayscale images. Bayers Matrix size can be 2x2,4x4,8x8,16x16. thanks
Image Dithering: Eleven Algorithms and Source Code ...
https://tannerhelland.com/2012/12/28/dithering-eleven-algorithms-source-code.html
Dithering is still a surprisingly applicable technique, not just for practical reasons (such as preparing a full-color image for output on a non-color printer), but for artistic reasons as well. Dithering also has applications in web design, where it is a useful technique for reducing images with high color counts to lower color counts, reducing file size (and bandwidth) without …
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