导出音频

在导入声音波后，你可能希望将其导出到内存或文件，支持的格式有：OGG VORBIS、OGG OPUS、WAV、BINK、RAW (PCM)。如果需要，你还可以覆盖采样率（即重采样）和声道数（即混合）。

请注意，导出为 BINK 格式仅在 Windows x64、Mac 和 Linux 上支持 UE >= 5.0。

Blueprint

C++

// Assuming ImportedSoundWave is a UE reference to a UImportedSoundWave object (or its derived type, such as UStreamingSoundWave, UCapturableSoundWave, etc.)

// Export the sound wave to a file
URuntimeAudioExporter::ExportSoundWaveToFile(ImportedSoundWave, TEXT("C:/ExportedAudio.ogg"), ERuntimeAudioFormat::OggVorbis, 100,
    FRuntimeAudioExportOverrideOptions(),
    FOnAudioExportToFileResultNative::CreateWeakLambda(this, [this](bool bSucceeded)
    {
	    // Handle the result
    }));

// Export the sound wave to a RAW file
URuntimeAudioExporter::ExportSoundWaveToRAWFile(ImportedSoundWave, TEXT("C:/ExportedAudio.raw"), ERuntimeRAWAudioFormat::UInt16,
    FRuntimeAudioExportOverrideOptions(),
    FOnAudioExportToFileResultNative::CreateWeakLambda(this, [this](bool bSucceeded)
    {
	    // Handle the result
    }));

// Export the sound wave to a buffer
URuntimeAudioExporter::ExportSoundWaveToBuffer(ImportedSoundWave, ERuntimeAudioFormat::Wav, 100,
    FRuntimeAudioExportOverrideOptions(),
    FOnAudioExportToBufferResultNative::CreateWeakLambda(this, [this](bool bSucceeded, const TArray64<uint8>& AudioData)
    {
	    // Handle the result
    }));

// Export the sound wave to a RAW buffer
URuntimeAudioExporter::ExportSoundWaveToRAWBuffer(ImportedSoundWave, ERuntimeRAWAudioFormat::Float32,
    FRuntimeAudioExportOverrideOptions(),
    FOnAudioExportToBufferResultNative::CreateWeakLambda(this, [this](bool bSucceeded, const TArray64<uint8>& AudioData)
    {
	    // Handle the result
    }));