signal-processing
Analysing audio data for attributes at time intervals
I\'ve been wanting to play around with audio parsing for a while now but I haven\'t really been able to find the correct library for what I want to do.[详细]
2023-04-03 12:47 分类:问答Result from processing audio signal with Goertzel algorithm
I made a little signal processing app. It processes audio signal (morse code) on certain frequency with Goerztel algorithm. Application saves temporary file to the filesystem and after recording is fi[详细]
2023-04-03 03:04 分类:问答Why do I need to apply a window function to samples when building a power spectrum of an audio signal?
I have found for several times the following guidelines for getting the power spectrum of an audio signal:[详细]
2023-04-03 02:05 分类:问答Manipulating Streams
What\'s the proper way to do this? Assume I\'ve got a stream of audio data and want to apply some audio filters to it before writing it to disk[详细]
2023-04-02 04:26 分类:问答Signal-processing (morse code decoding) with Android application
I made test application in Delphi that beeps morse code using Windows API Beep function. Then made an application in Android that stores this morse code in WAV file. Now I want Android application to[详细]
2023-04-01 17:04 分类:问答How do I run a high pass or low pass filter on data points in R?
I am a beginner in R and I have tried to find information about the following without finding anything.[详细]
2023-03-29 13:24 分类:问答Matlab symbolic tooltip; trying to design a 3rd order sallen key filter
Trying to design a 3rd order sallen key filter using matlab: [B,A]=cheby1(3,1,10*10^6*2*pi,\'s\'); %3rd order sallen key[详细]
2023-03-29 08:11 分类:问答How to distinguish between Speech and Tone in RTP packet?
My requirement is to find out whether the RTP packet(received on my IP phone from a VOIP gateway) is containing Speech or some Tone. There is no field in RTP packet header to indicate this. I found RF[详细]
2023-03-29 00:09 分类:问答How to generate a square wave using C#?
I would like to generate a digital signal, whi开发者_开发问答ch\'ll then be used to implement an ASK(Amplitude Shift Keying) Signal.[详细]
2023-03-28 21:12 分类:问答Low Pass filter on a digital signal in matlab
I am new to using matlab and signal processing in general and can\'t figure out how to implement a low pass filter. I have these digital signal that\'s a vector and would like to run it through a low[详细]
2023-03-28 06:01 分类:问答