signal-processing

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Transferring data using ultrasound

Yamaha InfoSound and S开发者_开发百科hopKick application use technologies that allow to transfer data using ultrasound. That is playing an inaudible signal (>18kHz) that can be picked up by modern mob[详细]

2023-03-10 14:38 分类：问答
Previous outputs as inputs for an FIR filter

Does anyone know if it is possible to pass previous output valuess to an FIR filter in Matlab开发者_Go百科?I would like to do this because I have masses of data (>300Gb) which I would like to filter a[详细]

2023-03-10 09:49 分类：问答
MFCC with Java Linear and Logarithmic Filters

I am implementing MFCC algorithm with Java. There is a sample code for triangular filters and MFCC at Java. Here is the link: MFCC Java However I should follow that code written in Matlab: MFCC Matlab[详细]

2023-03-10 08:51 分类：问答
Extracting beats out of MP3 music with Python

What kind of solutions are there to analyze beats out of MP3 music in Py开发者_开发问答thon? The purpose of this would be to use rhythm information to time the keyframes of generated animation, export[详细]

2023-03-10 04:26 分类：问答
What are the differences between MFCC and BFCC?

I have implemented MFCC algorithm and want to implement BFCC. What are the differences between them and开发者_运维技巧 is it enough just to use another function instead of frequency to mel (2595 * Mat[详细]

2023-03-09 20:35 分类：问答
Note Onset Detection Dynamic Thresholding

So I am working on Note Onset Detection. I have implemented the method here: Note onset detection However, I am finding some difficulty or problems regarding the \'static\' nature of the method. What[详细]

2023-03-09 17:59 分类：问答
"32 bit float mono audio" in Jack

I was playing with Jack, and I noticed that the default audio type JACK_DEFAULT_AUDIO_TYPE is set to \"32 bit float mono audio\".[详细]

2023-03-09 14:53 分类：问答
Audio Analysis for Sheet Music

I\'m currently working on a program that analyses a wav file of a solo musician playing an instrument and detects the notes within it.To do this it performs an FFT and then looks at the data produced.[详细]

2023-03-09 04:38 分类：问答
Streaming Data to Sound Card Using C on Windows [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines guidelines. It is not currently accepting answers.[详细]

2023-03-08 20:25 分类：问答
Low pass filter in iPhone

I have code that implements a low-pass filter in order to detect a blow on the mic. I can\'t understand how to determine the frequency and pick my own ALPHA:[详细]

2023-03-07 15:27 分类：问答