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Add a Mel frequency scale spectrogram to the enum SpectrogramImageType #332

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towsey opened this issue Jul 10, 2020 · 0 comments
Open

Add a Mel frequency scale spectrogram to the enum SpectrogramImageType #332

towsey opened this issue Jul 10, 2020 · 0 comments

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@towsey
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towsey commented Jul 10, 2020

I would like to add another spectrogram type to those currently available, namely a gray scale spectrogram having Mel frequency scale.

We already produce the data for this spectrogram in order to produce the MFCC spectrogram, but currently the Mel scale version is not available. It will be useful since some recognizers for low frequency sounds, ie trucks planes etc may work better with shift to Mel scale.

Describe the solution you'd like

Add Mel scale spectrogram to the enum and to the config file etc.
towsey added a commit that referenced this issue Jul 30, 2020
@towsey
Set up structure for two new spectrograms
d9688f9 
Issue #332 Set up basic structure for including mel-scale and octave-scale spectrograms in the type of generated standard scale spectrograms..
towsey added a commit that referenced this issue Jul 30, 2020
@towsey
Fix bug concerning assigning colour codes to spectrogram types
68a0ba2 
Issue #332 There was a limited number of colours to use as tags for different spectrogram types. By adding two new spectrograms, there was an insufficient number of colours. Changed the colour palette.
towsey added a commit that referenced this issue Jul 30, 2020
@towsey
Produce Mel frequency scale spectorgrams
57cdec6 
Issue #332 Get Mel frequency scale spectrograms working.
Start work on Octave scale spectrograms.
towsey added a commit that referenced this issue Jul 31, 2020
@towsey
Work on Octave Spectrograms
a7ca52f 
Issue #332 Get Octave spectrograms going.
towsey added a commit that referenced this issue Aug 2, 2020
@towsey
More work on Octave scales
c20e4ca 
Issue #332
towsey added a commit that referenced this issue Aug 3, 2020
@towsey
Start setting up more detailed tests for octave frequency scales
ea1e55f 
Issue #332
towsey added a commit that referenced this issue Aug 4, 2020
@towsey
Change Scale Type names
e847cb7 
Issue #332 Change names of hte main frequency scale types and remove old methods that used to do tests.
towsey added a commit that referenced this issue Aug 4, 2020
@towsey
Shift methods to do with Mel scale
52556ac 
Issue #332 Shift methods to do with Mel scale to the SpectrogramMelScale class.
towsey added a commit that referenced this issue Aug 4, 2020
@towsey
Make Octave Scale methods more efficient
1598a40 
Issue #332
towsey added a commit that referenced this issue Aug 4, 2020
@towsey
Add tests and rework existing tests for frequency scales
c16ab0d 
Issue #332 Add tests and rework existing tests for frequency scales
towsey added a commit that referenced this issue Aug 5, 2020
@towsey
Create new unit test for spectral data reduction
0347e3f 
Issue #332 Also have one change required in IndexCalculateTests.
This may cause the test to fail.
towsey added a commit that referenced this issue Aug 6, 2020
@towsey
Work on Mel scale spectrograms
b62e20e 
Issue #332
towsey added a commit that referenced this issue Aug 6, 2020
@towsey
Work on Octave scale spectrograms
743fda8 
Issue #332
towsey added a commit that referenced this issue Aug 6, 2020
@towsey
Work on Unit tests for mel and octave scale spectrograms.
3efb633 
Issue #332
towsey added a commit that referenced this issue Aug 11, 2020
@towsey
Mostly remove unused code and tidy comments.
277a0de 
Issue #332
towsey added a commit that referenced this issue Aug 11, 2020
@towsey
Change Hamming to Hanning Window
9f2904f 
Issue #332 This will create conflict in another brnach. Easy to fix. Accept Hanning as default window.
towsey added a commit that referenced this issue Aug 11, 2020
@towsey
Update BaseSonogram.cs
a3778e3 
Issue #332 Add another constructor which accepts FreqScale as argument
towsey added a commit that referenced this issue Aug 11, 2020
@towsey
Fix production of Octave spectrogram
834fa95 
Issue #332
towsey added a commit that referenced this issue Aug 11, 2020
@towsey
Remove unused code
7ed5281 
Issue #332
towsey added a commit that referenced this issue Aug 11, 2020
@towsey
Fix production of Octave scale spectrogram
f3eb3ed 
Issue #332
towsey added a commit that referenced this issue Aug 12, 2020
@towsey
Automate calculation of Octave scale bounds and its gridlines.
0a643f1 
Issue #332 Also need to add a new test for calculating grid locations and fix other tests.
towsey added a commit that referenced this issue Aug 13, 2020
@towsey
More work on Octave Frequency scales
5908e27 
Issue #332
towsey added a commit that referenced this issue Aug 13, 2020
@towsey
New tests and revise tests for Octave scale
28832b5 
Issue #332
towsey added a commit that referenced this issue Aug 13, 2020
@towsey
Rework Ocatve scale when calculating acoustic indices
b423044 
Issue #332 Previously calculated an octave scale that was once used for a high SR marine recording. Now implement an octave scale that is used for spectral data reduction. This will be used subsequently for content description.
@towsey towsey mentioned this issue Aug 13, 2020
Merged
1 task
towsey added a commit that referenced this issue Aug 17, 2020
@towsey
Incorporate epsilon in to log transform
6dbe9ba 
Issue #332 In some cases, log being calculated without catching zeros. Incorporate e;silon into log transform.
towsey added a commit that referenced this issue Aug 17, 2020
@towsey
More epsilon/log of zero fixes.
2a8c3e2 
Issue #332
towsey added a commit that referenced this issue Aug 17, 2020
@towsey
Fix generation of additional spectrogram types.
adcab04 
Issue #332
towsey added a commit that referenced this issue Aug 17, 2020
@towsey
Update FrequencyScaleTests.cs
0e429f7 
Issue #332 Formatting trivia
towsey added a commit that referenced this issue Aug 19, 2020
@towsey
Remove unnecssary code, change method names
5031e9a 
Issue #332
towsey added a commit that referenced this issue Aug 19, 2020
@towsey
Work on Octave frequency scale
5f26e3f 
Issue #332
towsey added a commit that referenced this issue Aug 19, 2020
@towsey
New methods for rescaling linear spectrograms
f10ea68 
Issue #332 Add in new methods for rescaling frequency but keeping linear.
towsey added a commit that referenced this issue Aug 19, 2020
@towsey
Fix errors in octave frequency scale
01aa9be 
Issue #332
towsey added a commit that referenced this issue Aug 19, 2020
@towsey
Update FrequencyScaleTests.cs
93c2703 
Issue #332 Finalise test for conversion of amplitude to octave frequency scale
towsey added a commit that referenced this issue Aug 20, 2020
@towsey
Shift methods to better locations
6acfa88 
Issue #332 Shift filterBank methods to Spectrum tools because they are now generalised for all frequency scale transformations.
towsey added a commit that referenced this issue Aug 20, 2020
@towsey
Fix up octave data reduction
13968a3 
Issue #332 Now that have ability to visualise a data reduced spectrogram, I changed it to give better distribution of filterbanks.
towsey added a commit that referenced this issue Aug 20, 2020
@towsey
Fixing Unit tests
2b6821f 
Issue #332
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@towsey