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Question
convert an array of numbers into letters; 1 =a, 2 =b, 3 = c etc.
So i have created a function that returns a row vector of numbers, Example: [3, 6, 12, 1, 1, 3]. I want to write a new fun...
12 years ago | 3 answers | 2
3
answersQuestion
extracting data (peaks) from signal.
So i have a wav file of me playing my guitar. I have smoothed it, and computed the derivative of it so i can see the 'attack poi...
12 years ago | 0 answers | 0
0
answersQuestion
Using the 'diff' function inside the 'find' function.
Greetings, So I am trying to identify from a wav file each time a new note is struck. looking at the 2nd derivative of it whe...
12 years ago | 2 answers | 0
2
answersQuestion
Using the diff function to identify notes in a tune.
I have a wav file (A monophonic recording of 'Iron man' by Black Sabbath just fyi ;) ). when i differentiate the recording i can...
13 years ago | 0 answers | 0
0
answersQuestion
Comparing fft's to classify data.
Hello all, I am trying to write a program that distinguishes notes by reading the fft of some test data and comparing it with...
13 years ago | 0 answers | 0
0
answersQuestion
Comparing fft results with a bank of data.
Hello all, So im working on an audio transcription tool for my disertation. So far i use an fft window (with overlap) to s...
13 years ago | 0 answers | 0
0
answersQuestion
Storing vectors from a for loop, into a 2d matrix.
Greetings all, Hopefully this is a relatively trivial issue, i have observed this short for loop: >> for r = 1 : 10 vec =...
13 years ago | 1 answer | 0
1
answerQuestion
Use of FFT in a window / Alternatives.
Hello all, I am half way through writing an audio transcription tool that is supposed to read polyphonic music and obtain the...
13 years ago | 1 answer | 0
1
answerQuestion
Creating a loop that produces variables from an array/
Hello all, im fairly new to MATLAB and its a little frustrating to say the least; my mission is to take 3 arguments from a row i...
13 years ago | 1 answer | 0
