Zero-based index of the ACM codec used for a recording, CD ripping or exporting session.
This property is used only when the EncodeFormats.ACM.EncodeMode property is set to ACM_ENCODE_USE_CODEC_INDEX and in one of the following situations:
During a recording session if the EncodeFormats.ForRecording property is set to ENCODING_FORMAT_ACM (for further details see the How to perform a recording session section).
During a CD ripping session if the EncodeFormats.ForCdRipping property is set to ENCODING_FORMAT_ACM (for further details see the How to perform a CD ripping session section).
During an exporting session if the EncodeFormats.ForExporting property is set to ENCODING_FORMAT_ACM (for further details see the How to export a recorded sound section).
The specific format for the chosen ACM codec can be modified through the EncodeFormats.ACM.CodecFormatIndex property.
For further details about using the Windows Audio Compression Manager refer to the ACM object section.
For a tutorial about the use of the Windows Audio Compression Manager refer to the How to use the Windows Audio Compression Manager section.
For further information about available encoding formats see the EncodeFormats object.
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