Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

NEOUtils
CAiffFile
CAiffFileInfo
CAudioFile
CAudioFileInfo
CAudioFileResultType
CFLACFile
CDecoderClientData	Used by FLAC decoder callbacks (same layout as FLAC client data)
CFLACFileInfo	Holds metadata for FLAC audio files
CMetadataAudioFile	Abstract class that extends AudioFile with pure virtual methods for adding/updating common audio metadata (tags). Derived classes for audio formats that support metadata (e.g., FLAC, Ogg Vorbis) should inherit from this class and implement the metadata operations
CMP3File
CMP3FileInfo
COggWriteQuality
COggWriteApproxBitrateKbps
COggFile
COggFileInfo
CSndFileBackedMetadataAudioFile	Shared libsndfile-backed implementation used by MP3, Ogg Vorbis, and AIFF codecs
CWAVFile
CWAVFileInfo
CAudioFile
CAudioFileInfo
CAudioFileMixOptions
CAudioFileResultType
CCAboutDlg
CCAudioMixerCPPApp
CCAudioMixerCPPDlg
CCCustomEditListBox
CCDialogEx
CCVSListBox
CCWinApp
CFLACFile
CDecoderClientData	Used by FLAC decoder callbacks (same layout as FLAC client data)
CProgOptions
CWAVFile