signal-processing

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How do I perform windowing on an incoming signal?

I\'m using the Aubio librar开发者_JS百科y; I can\'t find this anywhere in the docs at aubio.org or on the internet. When doing processing (specifically pitch detection with aubio_pitch_detect in my ca[详细]

2023-03-20 09:04 分类：问答
scaling/shifting experimental data vectors using Mathematica

I have some vectors of experimental data that I need to massage, for example: { {0, 61237, 131895, 194760, 249935},[详细]

2023-03-20 00:55 分类：问答
Are there any libraries for channel inversion?

I am trying to compensate for channel effects introduced into a waveform received over a mobile channel and the same waveform when received over a landline channel. Are there any libraries/code out th[详细]

2023-03-19 21:08 分类：问答
Programming a Spectrogram using C [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-03-19 13:58 分类：问答
Compensating for microphone frequency response in FFT

I\'m making an application that displays an FFT of sound data from a microphone. One thing I need to be able to support is calibrating to the frequency response of the microphone, which will be given[详细]

2023-03-19 10:44 分类：问答
How to convert wave data into Complex numbers

I\'m reading raw data from a mic and feeding into FFT. Two of the FFT libraries I\'m trying (AForge and Exocortex.DSP) takes Complex numbers as input and gives Complex numbers as output.[详细]

2023-03-17 14:21 分类：问答
Beat Detection from Note Onsets?

How do you determine which Note Onsets are beats? Currently, what I have is sort of like a \'brute force\' method using what is called \'pulse-trains\'.[详细]

2023-03-17 00:55 分类：问答
Compensating for channel effects

I am trying to work on a system where the quality of a recorded sentence is rated by a computer. There are three modes under which this system operates:[详细]

2023-03-16 22:04 分类：问答
Use an array of pointers to structs, or just an array of structs?

I\'m working on a FFT algorithm in C for a microcontroller, and am having trouble deciding on whether to have the real and imaginary parts of the input data stored in just an array of structs, or use[详细]

2023-03-16 19:29 分类：问答
How to convert decibel values into positive values? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-03-16 06:24 分类：问答