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java.lang.ObjectjAudioFeatureExtractor.Aggregators.Aggregator
jAudioFeatureExtractor.Aggregators.MFCC
public class MFCC
MFCC Aggregator MFCC Aggregator is a general aggregator that produces the fist 10 MFCCs of each feature dimension independently. Treats a signal as a 16 KHz signal, then calculates the MFCC's of this signal.
Field Summary |
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Fields inherited from class jAudioFeatureExtractor.Aggregators.Aggregator |
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LINE_SEP |
Constructor Summary | |
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MFCC()
Constructs a MFCC aggregator |
Method Summary | |
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void |
aggregate(double[][][] values)
Aggregates the values of the features specified by the init function accross all windows of the data recieved. |
java.lang.Object |
clone()
Create a new aggregator of the same class |
java.lang.String[] |
getFeaturesToApply()
Provide a list of features that are to be aggregated by this feature. |
void |
init(int[] featureIndecis)
Specifies which Features are to be extracted and the index of these features in the values array that will passed into the aggregate function |
void |
setSource(FeatureExtractor feature)
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Methods inherited from class jAudioFeatureExtractor.Aggregators.Aggregator |
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calculateOffset, collapseFeatures, getAggregatorDefinition, getFeatureDefinition, getParamaters, getResults, outputACEFeatureKeyEntries, outputACEValueEntries, outputARFFHeaderEntries, outputARFFValueEntries, setParameters |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MFCC()
Method Detail |
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public void aggregate(double[][][] values)
Aggregator
aggregate
in class Aggregator
values
- complete array of the extracted features. Indecis are window,
feature, and then feature value.public java.lang.Object clone()
Aggregator
clone
in class Aggregator
public java.lang.String[] getFeaturesToApply()
Aggregator
getFeaturesToApply
in class Aggregator
public void init(int[] featureIndecis) throws java.lang.Exception
Aggregator
init
in class Aggregator
featureIndecis
- Indecis of these features in the array passed in aggregate
java.lang.Exception
- if either parameter is null, of dicffering lengths, or
contain invalid index values.public void setSource(FeatureExtractor feature)
setSource
in class Aggregator
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