Class AudioCodec

Audio codec utilities for encoding and decoding audio data.

Inheritance
object
AudioCodec
Inherited Members
Namespace: Glitch9.IO.Audio
Assembly: Glitch9.IO.dll
Syntax
public static class AudioCodec

Methods

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ConvertG711aLaw(ReadOnlySpan<byte>)

G.711 A-law 바이트 배열을 float 배열로 변환

Declaration
public static float[] ConvertG711aLaw(ReadOnlySpan<byte> g711aLawBytes)
Parameters
Type Name Description
ReadOnlySpan<byte> g711aLawBytes
Returns
Type Description
float[]
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ConvertG711uLaw(ReadOnlySpan<byte>)

G.711 μ-law 바이트 배열을 float 배열로 변환

Declaration
public static float[] ConvertG711uLaw(ReadOnlySpan<byte> g711uLawBytes)
Parameters
Type Name Description
ReadOnlySpan<byte> g711uLawBytes
Returns
Type Description
float[]
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ConvertPCM16(ReadOnlySpan<byte>)

PCM16 바이트 배열을 float 배열로 변환

Declaration
public static float[] ConvertPCM16(ReadOnlySpan<byte> pcm16Bytes)
Parameters
Type Name Description
ReadOnlySpan<byte> pcm16Bytes
Returns
Type Description
float[]
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ConvertWAV(ReadOnlySpan<byte>)

Convenience overload if you don't care about WavInfo.

Declaration
public static float[] ConvertWAV(ReadOnlySpan<byte> wavBytes)
Parameters
Type Name Description
ReadOnlySpan<byte> wavBytes
Returns
Type Description
float[]
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ConvertWAV(ReadOnlySpan<byte>, out WavInfo)

Decode WAV to float PCM (-1..1). Returns interleaved samples (L,R,L,R... if stereo).

Declaration
public static float[] ConvertWAV(ReadOnlySpan<byte> wavBytes, out WavInfo wavInfo)
Parameters
Type Name Description
ReadOnlySpan<byte> wavBytes
WavInfo wavInfo
Returns
Type Description
float[]
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ExtractAudioBytes(string)

Declaration
public static ReadOnlyMemory<byte> ExtractAudioBytes(string base64Encoded)
Parameters
Type Name Description
string base64Encoded
Returns
Type Description
ReadOnlyMemory<byte>
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ResamplePCMFloatLinear(float[], int, int)

Resamples float PCM samples (-1..1) using linear interpolation.

Declaration
public static float[] ResamplePCMFloatLinear(float[] input, int fromRate, int toRate)
Parameters
Type Name Description
float[] input
int fromRate
int toRate
Returns
Type Description
float[]
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ToAudioBuffer(StreamingAudioEncoding, ReadOnlySpan<byte>)

바이트 배열을 오디오 버퍼로 변환

Declaration
public static float[] ToAudioBuffer(StreamingAudioEncoding encoding, ReadOnlySpan<byte> audioBytes)
Parameters
Type Name Description
StreamingAudioEncoding encoding
ReadOnlySpan<byte> audioBytes
Returns
Type Description
float[]
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ToAudioBuffer(StreamingAudioEncoding, string)

Base64 문자열을 오디오 버퍼로 변환

Declaration
public static float[] ToAudioBuffer(StreamingAudioEncoding encoding, string base64Encoded)
Parameters
Type Name Description
StreamingAudioEncoding encoding
string base64Encoded
Returns
Type Description
float[]
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ToBase64String(StreamingAudioEncoding, float[])

오디오 버퍼를 Base64 문자열로 변환

Declaration
public static string ToBase64String(StreamingAudioEncoding encoding, float[] audioBuffer)
Parameters
Type Name Description
StreamingAudioEncoding encoding
float[] audioBuffer
Returns
Type Description
string