Indices Loop and concatenate index files commands not working

[joderetic]

Describe the bug

The Indices loop and concatenate index files commands are not working for my soundfiles.

Expected behavior

They should run - and do run on Susan Fuller Practical files

Diagnostics

Instructions

• [ ] I have followed the instructions for reporting a bug

I have attached a log:

The operating system I'm using is:

### The version of **AnalysisPrograms.exe** I'm using is:

The data used can be found:

The command I used:

The config file I used:

Screenshots

Additional Details

[atruskie]

There is a lack of nearly all the required information needed to investigate this bug.

Despite that, given a test file sent in private correspondence, I have managed to reproduce this bug.

• Log: log_20200318T075132Z.txt
• Operating system: Windows 10 2004
• AP Version: 20.2.0.99
• Command used: C:\AP\AnalysisPrograms.exe audio2csv C:\Users\Anthony\Downloads\S1-SP_20170924_083000.wav Towsey.Acoustic.yml C:\Temp\testindices -vvv
• Config file: standard Towsey.Acoustic.yml

[atruskie]

So, I've diagnosed this a little bit, there are a few interconnecting problems.

Given a 30 second file and an Index Calculation Duration of 60 seconds,

• No indices are produced. The line https://github.com/QutEcoacoustics/audio-analysis/blob/azure-pipelines/src/AnalysisPrograms/AcousticIndices.cs#L448:L448 does 60/30 which is rounded to 0
  • [ ] Indices should probably be produced in this case (is the round function correct?)
• When no indices are produced the line at https://github.com/QutEcoacoustics/audio-analysis/blob/azure-pipelines/src/AnalysisPrograms/AcousticIndices.cs#L307:L307 fails because it is expecting some values to have been produced
  • [ ] Investigate failure mode. No results should result in a no-op.

---

@joderetic - given the length of your files, I'd suggest using a custom Towsey.Acoustic.yml config file:

1. Make a copy of the original config file (found in the ConfigFiles folder in the AP folder) and name it Towsey.Acoustic.30.yml

2. Inside, change the IndexCaluclationDuration value from 60.0 to 30.0

   # IndexCalculationDuration: units=seconds (default=60 seconds)
   # The Timespan (in seconds) over which summary and spectral indices are calculated
   # This value MUST not exceed value of SegmentDuration.
   # Default value = 60 seconds, however can be reduced down to 0.1 seconds for higher resolution.
   #                 IndexCalculationDuration should divide SegmentDuration with MODULO zero
   -IndexCalculationDuration: 60.0
   +IndexCalculationDuration: 30.0

   3. Make sure you use the modified config file in the command you run. You may have to modify your script.

      • e.g. I changed my test command from:

        C:\AP\AnalysisPrograms.exe audio2csv C:\Users\Anthony\Downloads\S1-SP_20170924_083000.wav Towsey.Acoustic.yml C:\Temp\testindices

      to:

      C:\AP\AnalysisPrograms.exe audio2csv C:\Users\Anthony\Downloads\S1-SP_20170924_083000.wav C:\Temp\Towsey.Acoustic.30.yml C:\Temp\testindices

   and the command worked.