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Questions tagged [frequency]

The rate at which a thing occurs or is found.

The rate at which a thing occurs or is found.

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Frequency and pitch relation for AudioClip - Unity3D

I am trying to recreate the full range of a guitar only using 6 audio clips. I was thinking there would be a way to set frequency of an audio clip but audio.frequency only returns the frequency of the audio based on compression format and not the…
Everts
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SAS: Individual Table Titles for PROC FREQ or PROC REPORT?

Instead of performing multiple separate PROC FREQ procedures on a very large data set, I'd like to improve efficiency by performing a single PROC FREQ with multiple TABLE statements. Our QA process requires table titles which is simple with a single…
kstats9pt3
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Pattern in continuous sequence data

Suppose I have a list of events. For example A, D, T, H, U, A, B, F, H, .... What I need is to find frequent patterns that occur in the complete sequence. In this problem we cannot use traditional algorithms like a priori or fp growth because they…
Haris
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iPhone app versions: release micro-updates often, or major updates less frequently?

I released a new iPhone app 5 days ago. Already it has received high ratings, and many downloads, so I think it can be quite successful. (It's currently ranked in the top 10 paid music apps.) What do you think is the best release strategy: Release…
zkarcher
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how to solve the cpufreqset errors

I want to change the cpu frequency. I have install cpufrequtils. the command "cpufreq-info" give me information cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpufreq@vger.kernel.org, please. analyzing CPU…
user2805242
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how to use Band Pass filter(18Khz to 22Khz) in Android

I need to use Band Pass Filter to filter my real time recording audio. The Range is about 18Khz to 22Khz. I've seen many examples,unfortunatly they are used to detect frequency of audio....Since i'm new to DSP,please ellobrate your answer....
Pandian
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Counting phrase frequency in Python 3.3.2

I have been examining different sources on the web and have tried various methods but could only find how to count the frequency of unique words but not unique phrases. The code I have so far is as follows: import collections import re wanted =…
Raul
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What is the fastest way to obtain frequencies of integers in a vector?

Is there a simple and fast way to obtain the frequency of each integer that occurs in a vector of integers in R? Here are my attempts so far: x <- floor(runif(1000000)*1000) print('*** using TABLE:') system.time(as.data.frame(table(x))) print('***…
Museful
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Get mobile network frequency band Android

I'm building an app for Android witch logs some data about phone mobile network, Access Type: (GPRS, 3G, HSPA, LTE) Frequency: (WCDMA 2100 Band 1) LAC: Location Area Code SAC: Serving Area CellID (if 3G) CGI: Cell Global Identifier (if 2G) Signal…
user1936991
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Most frequent character in range

I have a string s of length n. What is the most efficient data structure / algorithm to use for finding the most frequent character in range i..j? The string doesn't change over time, I just need to repeat queries that ask for the most frequent char…
Momonga
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Extracting most frequent words out of a corpus with python

Maybe this is a stupid question, but I have a problem with extracting the ten most frequent words out of a corpus with Python. This is what I've got so far. (btw, I work with NLTK for reading a corpus with two subcategories with each 10 .txt files)…
user2007220
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MATLAB - Plot time-frequency graph of .wav file

I'm working on a project that involves looking at the changes in pitch/frequency over time with a wave file (I'm new to MATLAB, but not to programming). I'm able to see the time-amplitude graph and frequency-amplitude (after an FFT) graph, but how…
airplaneman19
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Get the frequency of an audio file in every 1/4 seconds in android

I have a sound file (.3gp) and its about ~1 min. I would like to get the frequency of this sound file in every 1/4 seconds. My idea is to receive samples in every 1/4 seconds from the audio file and using FFT I might get the frequency values. Is…
Jani Bela
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Am I using the Fourier transformation the right way?

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 of Beethovens "For Elise" which I converted to a 8…
stefan.at.kotlin
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How can I make a list of all the unique pairs of data points in R?

So I have two vectors of data points, and I would like to make a list of each unique pair, along with that pair's frequency. I know that I can use table to do this with one of the vectors, but I can't seem to figure out how to make it do it with…
crf
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