@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
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TypeScript
/**
* @license
* Copyright 2019 Google LLC. 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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.
* =============================================================================
*/
import { Tensor, Tensor1D } from '../tensor';
/**
* Generate a Hann window.
*
* See: https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows
*
* ```js
* tf.signal.hannWindow(10).print();
* ```
* @param The length of window
*/
/**
* @doc {heading: 'Operations', subheading: 'Signal', namespace: 'signal'}
*/
declare function hannWindow_(windowLength: number): Tensor1D;
/**
* Generate a hamming window.
*
* See: https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows
*
* ```js
* tf.signal.hammingWindow(10).print();
* ```
* @param The length of window
*/
/**
* @doc {heading: 'Operations', subheading: 'Signal', namespace: 'signal'}
*/
declare function hammingWindow_(windowLength: number): Tensor1D;
/**
* Expands input into frames of frameLength.
* Slides a window size with frameStep.
*
* ```js
* tf.signal.frame([1, 2, 3], 2, 1).print();
* ```
* @param signal The input tensor to be expanded
* @param frameLength Length of each frame
* @param frameStep The frame hop size in samples.
*/
/**
* @doc {heading: 'Operations', subheading: 'Signal', namespace: 'signal'}
*/
declare function frame_(signal: Tensor1D, frameLength: number, frameStep: number, padEnd?: boolean, padValue?: number): Tensor;
export declare const hannWindow: typeof hannWindow_;
export declare const hammingWindow: typeof hammingWindow_;
export declare const frame: typeof frame_;
export {};