Top "Frequency-analysis" questions

Simple code to calculate frequency of Live Mic Audio using WebAudio API

I have website in which I need to display the frequency of the Live Mic Audio. I have a this …

javascript audio web-audio-api frequency-analysis
Lucene 4.4. How to get term frequency over all index?

I'm trying to compute tf-idf value of each term in a document. So, I iterate through the terms in a …

lucene indexing tf-idf frequency-analysis
Frequency shift using FFT in Matlab

I am working on implementing BFSK modulation and demodulation with frequency hopping and I need to test my results using …

matlab fft frequency-analysis
Background noise removal from audio signals using FFT Python

I am currently doing a project at university where I am distinguishing between different instruments playing notes of the same …

python signal-processing fft frequency-analysis noise-reduction
Android app to record sound in real time and identify frequency

I need to develop an app to record frequencies in real time using the phone's mic and then display them (…

java android fft android-audiorecord frequency-analysis
Matlab: Finding dominant frequencies in a frame of audio data

I am pretty new to Matlab and I am trying to write a simple frequency based speech detection algorithm. The …

matlab speech frequency-analysis audio-analysis
Improving frequency resolution of FFT output by limiting frequency range?

I am new to FFTs and signal processing, so hopefully this question makes sense and/or isn't stupid. I would …

audio signal-processing fft frequency-analysis