Yaohong

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How to Label Voice with Praat for Machine Learning

Praat

How to Label Voice with Praat for Machine Learning 1.Install 1.1 Download praat 1.Open Praat: doing Phonetics by Computer website; 2.Choose your OS system on download area in the upper left conner of website; 3.Then click the praat6150_mac.dmg or praat6150_win64.zip to download file; For example, my os is MacOS, in my case I should download praat6150_mac.dmg and install it. Option: You can also download the file from github, referce to Praat in github 1.

Posted by Yaohong Saturday, July 10, 2021

Averaging histograms

Averaging histograms An image histogram is the number of each pixel value, which is displayed in the graph. x axis of the graph is pixel value, range from 0 to 255; y axis of the graph is the number of this pixel value; 1.How to averaging histograms? Our goal is to generate a new image with a more even histogram distribution. 1.1 An equation The accumulated value of the histogram

Posted by yaohong Tuesday, December 29, 2020

Some notes on Convolution Course

Some notes on Convolution course What is padding? Padding is to add some pixels to the border of the original image, such as a 6*6 image will become a 8*8 image if we add a pixel to its border. valid convolution vs same convolution. Valid convolution is on padding that means the actual pixels of the output image after we convole original image with filter. Same convolution means adding padding so that the output image has the same size as its input image.

Posted by yaohong Thursday, May 21, 2020

英语发音-连读和节奏

连读那些事...

Posted by Yaohong Monday, April 27, 2020