bugGNU Octave - Bugs: bug #58388, [octave forge] (communications)...

 
 

bug #58388: [octave forge] (communications) ademodce error using a filter

Submitter:  None
Submitted:  Mon 18 May 2020 11:35:52 AM UTC
   
 
Category:  Octave Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Unexpected Error or Warning
Status:  None Assigned to:  None
Originator Name:  Loled Originator Email:  -email is unavailable-
Open/Closed:  * Open Release:  * dev
Operating System:  * Any Fixed Release:  None
Planned Release:  None
* Mandatory Fields

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Wed 19 May 2021 09:37:47 PM UTC, comment #2: 

Hi,

Thankyou for the patch.
Yes, I also assumed it was a typo.

I was calling it for pm demodulation, I can't remember exactly but there was also other issue with the signal I was working on, so I finally implement way than using admodce.

Anonymous
Thu 08 Apr 2021 10:24:17 AM UTC, comment #1: 

This bug appears to be a typo which is fixed with the added patch.

@OP What demodulation were you using?
Following this:

https://stackoverflow.com/questions/64352392/how-to-solve-error-performing-fm-demodulation-in-octave

To test a random made .wav file, makes more progress.

However, David Bateman documented this could not work for FM

warning ("ademodce: FM demodulation broken!!")


The function looks to be Octave only

(file #51212)

Anonymous
Mon 18 May 2020 11:35:52 AM UTC, original submission:  

I got an error: 'dem' undefined while using the function ademodce.

Error in ademodce.m near line 175 column 35 - dem needs to be fixed on den:

  if (!isempty (num) && !isempty (dem))
    ## Low-pass filter the output
    if (min (size (y)) == 1)
      y = filter (num, den, y);
    else
      for i = 1:size (y, 2)
        y(:,i) = filter (num, den, y(:,i));
      endfor
    endif
  endif

Anonymous

 

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Attached Files
file #51212:  ademodce.patch added by None (2KiB - text/x-patch)

 

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Items that depend on this one: None found

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2021-04-08 None Attached File- Added ademodce.patch, #51212
    2020-05-20 mtmiller Operating SystemMicrosoft Windows Any
        Summary[octave forge] (signal) - ademodce error using a filter [octave forge] (communications) ademodce error using a filter

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