DecodeWav
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Decode a 16-bit PCM WAV file to a float tensor.
The -32768 to 32767 signed 16-bit values will be scaled to -1.0 to 1.0 in float.
When desired_channels is set, if the input contains fewer channels than this
then the last channel will be duplicated to give the requested number, else if
the input has more channels than requested then the additional channels will be
ignored.
If desired_samples is set, then the audio will be cropped or padded with zeroes
to the requested length.
The first output contains a Tensor with the content of the audio samples. The
lowest dimension will be the number of channels, and the second will be the
number of samples. For example, a ten-sample-long stereo WAV file should give an
output shape of [10, 2].
Constants
| String |
OP_NAME |
The name of this op, as known by TensorFlow core engine |
Inherited Methods
From class
java.lang.Object
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boolean
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equals(Object arg0)
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final
Class<?>
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getClass()
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int
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hashCode()
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final
void
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notify()
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final
void
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notifyAll()
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String
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toString()
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final
void
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wait(long arg0, int arg1)
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final
void
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wait(long arg0)
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final
void
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wait()
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Constants
public
static
final
String
OP_NAME
The name of this op, as known by TensorFlow core engine
Constant Value:
"DecodeWav"
Public Methods
2-D with shape `[length, channels]`.
Factory method to create a class wrapping a new DecodeWav operation.
Parameters
| scope |
current scope |
| contents |
The WAV-encoded audio, usually from a file. |
| options |
carries optional attributes values |
Returns
- a new instance of DecodeWav
public
static
DecodeWav.Options
desiredChannels
(Long desiredChannels)
Parameters
| desiredChannels |
Number of sample channels wanted.
|
public
static
DecodeWav.Options
desiredSamples
(Long desiredSamples)
Parameters
| desiredSamples |
Length of audio requested.
|
Scalar holding the sample rate found in the WAV header.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2021-11-29 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2021-11-29 UTC."],[],[],null,["# DecodeWav\n\npublic final class **DecodeWav** \nDecode a 16-bit PCM WAV file to a float tensor.\n\n\nThe -32768 to 32767 signed 16-bit values will be scaled to -1.0 to 1.0 in float.\n\n\nWhen desired_channels is set, if the input contains fewer channels than this\nthen the last channel will be duplicated to give the requested number, else if\nthe input has more channels than requested then the additional channels will be\nignored.\n\n\nIf desired_samples is set, then the audio will be cropped or padded with zeroes\nto the requested length.\n\n\nThe first output contains a Tensor with the content of the audio samples. The\nlowest dimension will be the number of channels, and the second will be the\nnumber of samples. For example, a ten-sample-long stereo WAV file should give an\noutput shape of \\[10, 2\\].\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n### Nested Classes\n\n|-------|---|---|-------------------------------------------------------------------------------------------|\n| class | [DecodeWav.Options](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav.Options) || Optional attributes for [DecodeWav](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav) |\n\n### Constants\n\n|--------|-------------------------------------------------------------------------|---------------------------------------------------------|\n| String | [OP_NAME](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav#OP_NAME) | The name of this op, as known by TensorFlow core engine |\n\n### Public Methods\n\n|--------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e | [audio](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav#audio())() 2-D with shape \\`\\[length, channels\\]\\`. |\n| static [DecodeWav](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav) | [create](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav#create(org.tensorflow.op.Scope, org.tensorflow.Operand\u003corg.tensorflow.types.TString\u003e, org.tensorflow.op.audio.DecodeWav.Options...))([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TString](/jvm/api_docs/java/org/tensorflow/types/TString)\\\u003e contents, [Options...](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav.Options) options) Factory method to create a class wrapping a new DecodeWav operation. |\n| static [DecodeWav.Options](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav.Options) | [desiredChannels](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav#desiredChannels(java.lang.Long))(Long desiredChannels) |\n| static [DecodeWav.Options](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav.Options) | [desiredSamples](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav#desiredSamples(java.lang.Long))(Long desiredSamples) |\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TInt32](/jvm/api_docs/java/org/tensorflow/types/TInt32)\\\u003e | [sampleRate](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav#sampleRate())() Scalar holding the sample rate found in the WAV header. |\n\n### Inherited Methods\n\nFrom class [org.tensorflow.op.RawOp](/jvm/api_docs/java/org/tensorflow/op/RawOp) \n\n|----------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| final boolean | [equals](/jvm/api_docs/java/org/tensorflow/op/RawOp#equals(java.lang.Object))(Object obj) |\n| final int | [hashCode](/jvm/api_docs/java/org/tensorflow/op/RawOp#hashCode())() |\n| [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/RawOp#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n| final String | [toString](/jvm/api_docs/java/org/tensorflow/op/RawOp#toString())() |\n\nFrom class java.lang.Object \n\n|------------------|---------------------------|\n| boolean | equals(Object arg0) |\n| final Class\\\u003c?\\\u003e | getClass() |\n| int | hashCode() |\n| final void | notify() |\n| final void | notifyAll() |\n| String | toString() |\n| final void | wait(long arg0, int arg1) |\n| final void | wait(long arg0) |\n| final void | wait() |\n\nFrom interface [org.tensorflow.op.Op](/jvm/api_docs/java/org/tensorflow/op/Op) \n\n|-----------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [ExecutionEnvironment](/jvm/api_docs/java/org/tensorflow/ExecutionEnvironment) | [env](/jvm/api_docs/java/org/tensorflow/op/Op#env())() Return the execution environment this op was created in. |\n| abstract [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/Op#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n\nConstants\n---------\n\n#### public static final String\n**OP_NAME**\n\nThe name of this op, as known by TensorFlow core engine \nConstant Value: \"DecodeWav\"\n\nPublic Methods\n--------------\n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e\n**audio**\n()\n\n2-D with shape \\`\\[length, channels\\]\\`. \n\n#### public static [DecodeWav](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav)\n**create**\n([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TString](/jvm/api_docs/java/org/tensorflow/types/TString)\\\u003e contents, [Options...](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav.Options) options)\n\nFactory method to create a class wrapping a new DecodeWav operation. \n\n##### Parameters\n\n| scope | current scope |\n| contents | The WAV-encoded audio, usually from a file. |\n| options | carries optional attributes values |\n|----------|---------------------------------------------|\n\n##### Returns\n\n- a new instance of DecodeWav \n\n#### public static [DecodeWav.Options](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav.Options)\n**desiredChannels**\n(Long desiredChannels)\n\n\u003cbr /\u003e\n\n##### Parameters\n\n| desiredChannels | Number of sample channels wanted. |\n|-----------------|-----------------------------------|\n\n#### public static [DecodeWav.Options](/jvm/api_docs/java/org/tensorflow/op/audio/DecodeWav.Options)\n**desiredSamples**\n(Long desiredSamples)\n\n\u003cbr /\u003e\n\n##### Parameters\n\n| desiredSamples | Length of audio requested. |\n|----------------|----------------------------|\n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TInt32](/jvm/api_docs/java/org/tensorflow/types/TInt32)\\\u003e\n**sampleRate**\n()\n\nScalar holding the sample rate found in the WAV header."]]
