How to resolve the error "Expected audioIn to be a column vector."

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Mohammed Faridul Haque Siddiqui
回答： Pablo Torres 2019-11-27
Hi,
I am using the "Speech Command Recognition Using Deep Learning " to detect words from my own database. The length of each clip in my database is 4 seconds. I am using the default parameters for creating histograms only changing the segmentDuration to the duration in my clips. What wrong I might be doing here?
segmentDuration = 3;
frameDuration = 0.025;
hopDuration = 0.010;
numBands = 40;
The problem is whenever I am trying to run the code, its throwing an error
"Computing speech spectrograms...
Error using auditorySpectrogram
Expected audioIn to be a column vector.
Error in auditorySpectrogram>validateRequiredInputs (line 196)
validateattributes(x,{'single','double'},...
Error in auditorySpectrogram (line 66)
validateRequiredInputs(x,fs)
Error in speechSpectrograms (line 24)
spec = auditorySpectrogram(x,fs, ...
Error in Speech (line 30)
XTrain = speechSpectrograms(adsTrain,segmentDuration,frameDuration,hopDuration,numBands);"
What could be the possible reason and a solution for this. Thannks

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回答（2 个）

Walter Roberson
Walter Roberson 2018-10-26
You might be passing in stereo sound instead of mono.
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Pablo Torres
Pablo Torres 2019-11-27
Audio must be in mono, you can use Audacity for that purpose.

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