ai.djl.modality.audio.translator.SpeechRecognitionTranslator Maven / Gradle / Ivy
The newest version!
/*
* Copyright 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package ai.djl.modality.audio.translator;
import ai.djl.modality.audio.Audio;
import ai.djl.ndarray.NDArray;
import ai.djl.ndarray.NDList;
import ai.djl.ndarray.types.Shape;
import ai.djl.translate.NoBatchifyTranslator;
import ai.djl.translate.Translator;
import ai.djl.translate.TranslatorContext;
/**
* A {@link Translator} that post-process the {@link Audio} into {@link String} to get a text
* translation of the audio.
*/
public class SpeechRecognitionTranslator implements NoBatchifyTranslator {
/** {@inheritDoc} */
@Override
public NDList processInput(TranslatorContext ctx, Audio input) throws Exception {
float[] data = input.getData();
NDArray array = ctx.getNDManager().create(data, new Shape(1, data.length));
return new NDList(array);
}
/** {@inheritDoc} */
@Override
public String processOutput(TranslatorContext ctx, NDList list) throws Exception {
return list.get(0).toStringArray()[0];
}
}