Ok what im trying to do is a kind of audio processing software that can detect a prevalent frequency an if the frequency is played for long enough (few ms) i know i got a positive match. i know i would need to use FFT or something simiral but in…
I want to plot the pitch of a sound into a graph.
Currently I can plot the amplitude. The graph below is created by the data returned by getUnscaledAmplitude():
AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(new…
I'm new with R. I need to generate a simple Frequency Table (as in books) with cumulative frequency and relative frequency.
So I want to generate from some simple data like
> x
[1] 17 17 17 17 17 17 17 17 16 16 16 16 16 18 18 18 10 12 17 17 17 17…
I have data as a list of floats and I want to plot it as a histogram. Hist() function does the job perfectly for plotting the absolute histogram. However, I cannot figure out how to represent it in a relative frequency format - I would like to have…
I like to create a table that has the frequency of several columns in my data frame. I am copying part of my data frame below.
The table is supposed to have frequency (both n and %) of "red" in Color and "F" in Gender.
I think that the dplyr…
I am working on a Java program, and I really need to be able to play a sound by a certain frequency and duration, similarly to the c# method System.Beep, I know how to use it in C#, but I can't find a way to do this in Java. Is there some…
I am trying to find a frequency of each symbol in any given text using an algorithm of O(n) complexity. My algorithm looks like:
s = len(text)
P = 1.0/s
freqs = {}
for char in text:
try:
freqs[char]+=P
except:
…
Is there any way in Python, wherein I can sort a list by its frequency?
For example,
[1,2,3,4,3,3,3,6,7,1,1,9,3,2]
the above list would be sorted in the order of the frequency of its values to create the following list, where the item with the…
I have two lists, x and y.
x contains the alphabet A-Z and Y contains the frequency of them in a file.
I've tried researching how to plot these values in a histogram but has had no success with understanding how to plot it.
n, bins, patches =…
There's this tech-festival in IIT-Bombay, India, where they're having an event called "Artbots" where we're supposed to design artbots with artistic abilities. I had an idea about a musical robot which takes a song as input, detects the notes in the…
I'm trying to display frequencies within barplot ... well, I want them somewhere in the graph: under the bars, within bars, above bars or in the legend area. And I recall (I may be wrong) that it can be done in ggplot2. This is probably an easy…
I have been trying to get the sound frequency(number) in real time using fft and i am having run time errors. can any one help?
package com.example.recordsound;
import edu.emory.mathcs.jtransforms.fft.DoubleFFT_1D;
import…
I am looking for a fast and efficient way to calculate the frequency of list items in python:
list = ['a','b','a','b', ......]
I want a frequency counter which would give me an output like this:
[ ('a', 10),('b', 8) ...]
The items should be…
I try to fit Autoregression by sm.tsa.statespace.SARIMAX. But I meet a warning, then I want to set frequency information for this model.
Who used to meet it, can you help me ?
fit1 = sm.tsa.statespace.SARIMAX(train.Demand, order=(1, 0, 0),
…