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How can I download 'Orig_Sig'

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Hind Aljallaf
Hind Aljallaf el 14 de Mayo de 2023
Comentada: Walter Roberson el 17 de Mayo de 2023
I am trying to run a code but it tells me that "Orig_Sig" is a missing variable. The question is, we were not provided any link to download it, so how can install or load or download this variable. Nor does it allow me to make it equal to y, so it gives me an error that tells me there is no variable such as y?
  2 comentarios
Walter Roberson
Walter Roberson el 14 de Mayo de 2023
Please show us the output for
whos -file input_data.mat
Cris LaPierre
Cris LaPierre el 15 de Mayo de 2023
You should probably ask the person who wrote the code.

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Respuestas (1)

Sai el 17 de Mayo de 2023
Hi Hind,
I understand that you are getting an unrecognized function/variable error.
Th error occurs if the variable is not available in the MATLAB workspace while you are executing the code.
To avoid the error, ensure that the variable is present in workspace.
Since you are loading the data from ‘input_data.mat’ file and assigning the variable ‘y’ to ‘Orig_Sig’, make sure that the variable ‘y’ is present in that .mat file.
From the code I understand that you are trying to plot an audio signal and add noise to it.
Here are some ways to load an audio signal either from .mat file or read the audio using
[y,Fs] = audioread(audio_signal_from_Matfile)
Please refer to the below documentation for more information on audioread function
  1 comentario
Walter Roberson
Walter Roberson el 17 de Mayo de 2023
load handel
[Y, FS] = audioread(y);
Error using audioread
Expected input to be one of these types:

char, string

Instead its type was double.
I think you've made a mistake in the proposed code, @Sai -- that code could only work if audio_signal_from_Matfile were a character vector or string scalar that indicated a filename.

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