frequency-analysis Questions

13

I am trying to count the occurrences of each letter of a word word = input("Enter a word") Alphabet=['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t'...
Dwaynedweck asked 5/12, 2016 at 23:23

8

Solved

I am a beginner in R and I have tried to find information about the following without finding anything. The green graph in the picture is composed by the red and yellow graphs. But let's say that ...
Use asked 18/8, 2011 at 10:28

2

Solved

I have a frequency analysis of words said in episodes of my favorite show. I'm making a plot.barh(s1e1_y, s1e1_x) but it's sorting by words instead of values. The output of >>> s1e1_y is ...
Snakebird asked 19/11, 2017 at 4:46

2

I am trying to write a Python script to read an MP3 file and perform some analysis on the frequencies in it. In particular, I want a spectrogram (frequency vs time) as output. However, when I read...
Whitlow asked 10/4, 2014 at 10:1

1

I'm trying to find the oscillation and spectrum frequency of the waveform generated by a vector of data representing the motion of a pixel in an image. The data is stored in a .txt file, as follow...
Succor asked 25/4, 2017 at 14:57

2

Solved

Can someone explain how the Count Sketch Algorithm works? I still can't figure out how hashes are used, for example. I have a hard time understanding this paper.
Coarse asked 25/7, 2011 at 2:46

2

Solved

I have website in which I need to display the frequency of the Live Mic Audio. I have a this code, but its extremely difficult to understand (It uses Fourier Transform and all). On some research I ...
Longheaded asked 16/4, 2014 at 15:18

1

Solved

I'm trying to compute tf-idf value of each term in a document. So, I iterate through the terms in a document and want to find the frequency of the term in the whole corpus and the number of documen...
Loud asked 13/12, 2013 at 20:17

2

【This is not a duplicate. Similar questions are about scenarios where people have control over the source data. I do not.】 In Japan there's something called the "Emergency Warning Broadcasting Sys...
Ambassadoratlarge asked 6/12, 2013 at 7:41

1

Solved

I am thinking about writing a program to collect for me the most common phrases in a large volume of the text. Had the problem been reduced to just finding words than that would be as simple as sto...

1

Solved

There are many resources online that shows how to do a word count for single word like this and this and this and others... But I was not not able to find a concrete example for two words count fr...

1

Solved

Given a multilangual .txt files such as: But where is Esope the holly Bastard But where is 생 지 옥 이 군 지 옥 이 지 옥 지 我 是 你 的 爸 爸 ! 爸 爸 ! ! ! 你 不 會 的 ! I counted space-separated words' word-frequency...
Betide asked 24/3, 2013 at 17:57

3

Solved

I've been working on a simple frequency detection setup on the iphone. Analyzing in the frequency domain using FFT results has been somewhat unreliable in the presence of harmonics. I was hoping to...
Unprincipled asked 12/3, 2011 at 18:50

4

I want to develop app to calculate Sound frequency in Android. Android Device will take Sound from microphone (i.e. out side sound) and I have one color background screen in app. on sound frequenc...
Logger asked 4/10, 2012 at 6:9

2

I am wondering if I am using Fourier Transformation in MATLAB the right way. I want to have all the average amplitudes for frequencies in a song. For testing purposes I am using a free mp3 download...
Walkabout asked 3/7, 2012 at 10:46

3

I am developing a flash guitar, and the only apparent method to discover the frequency of the mic's data looks to be using FFT. Nevertheless, after something like 30 hours of research I could not d...
Societal asked 6/2, 2011 at 17:13

3

Recently I asked this question: How to get the fundamental frequency from FFT? (you don't actually need to read it) My doubt right now it: how to use the cepstral algorithm? I just don't know how...
Haskins asked 7/2, 2011 at 19:5

2

Solved

I'm working on a piece of software which needs to implement the wiggliness of a set of data. Here's a sample of the input I would receive, merged with the lightness plot of each vertical pixel stri...

6

I am new to FFTs and signal processing, so hopefully this question makes sense and/or isn't stupid. I would like to perform spectrum analysis on a live audio signal. My goal is to find a good trad...
Picardi asked 2/11, 2010 at 21:42

1

I am try to remap my keyboard to type better. But I need to know the frequency of each key include symbol, It will be great if include tab shift ctrl. I need all the keypress acounting not only fr...
Knot asked 30/9, 2010 at 15:6

4

Solved

This gives me a frequency of words in a text: fullWords = re.findall(r'\w+', allText) d = defaultdict(int) for word in fullWords : d[word] += 1 finalFreq = sorted(d.iteritems(), key = oper...
Unvarnished asked 4/7, 2010 at 3:6

1

I allready have FFT and pitch + absolute frequency calculated in real-time from input of microphone. Now I want to calculate the timbre. I saw Mel Frequency Cepstrum Coefficients - MFCCs but I did...
Donia asked 24/10, 2009 at 22:52
1

© 2022 - 2024 — McMap. All rights reserved.