For a network with 1 inputs and 1 output, the datastore read function must return a cell array with 2 columns, but it returns an cell array with 1 columns.
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Gudimalla Pruthviraj
2022 年 1 月 25 日
コメント済み: Gudimalla Pruthviraj
2022 年 1 月 27 日
I Read all the audio files into AudioDatastore then Transformed to get MelSpectrograms
Now when I try to train my network with TransformedDatastore It giving the Below Error
"For a network with 1 inputs and 1 output, the datastore read function must return a cell array with 2 columns, but it
returns an cell array with 1 columns."
Thanks
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jibrahim
2022 年 1 月 25 日
Hi Gudimalla,
The training process typically expects a pair from the datastore: For classification problems, it expects a mel spectrogram + the expected label or class. For regression problems, it expects two signals (two spectrograms, two sequences, two pairs of features, etc...representing input and desired output for example).
This example might be helpful:
Similar to your case, we use a transfomed datastore to extract spectrograms. However, notice that we combine the transformed datastore with another datastore that hold the labels:
adsSpecTrain = transform(adsAugTrain, @(x)getSpeechSpectrogram(x,afe,params));
Use an arrayDatastore to hold the training labels.
labelsTrain = arrayDatastore(adsTrain.Labels);
Create a combined datastore that points to the mel-frequency spectrogram data and the corresponding labels.
tdsTrain = combine(adsSpecTrain,labelsTrain);
tdsTrain is then passed to trainNetwork.
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