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LoadSound method

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Loads a song from the specified file. The sound file can be a stream, a MOD music file or a CD audio track.


Accepted stream formats are: MP1, MP2, MP3, MP4 (***), AIFF, AAC, M4A, AC3, FLAC, WavPack, ALAC, WAV, OGG Vorbis, WMA (*),  ASF (**), WMV (**), W64, AU, PAF, SVX, NIST, VOC, IRCAM, PVF, CAF, Speex, Musepack, Monkey's Audio (APE), OPUS.


Formats wrapped inside a RIFF container (for example GSM 6.10, ADPCM, CCITT, etc. ) are supported if the specific ACM (Audio Compression Manager) codec is installed inside the system.


Multi-channel WAV, AIFF, OGG Vorbis and WMA formats are accepted if the output sound card supports speakers assignment and have WDM drivers installed: it's important to note that multi-channel sound files won't allow changing Tempo, Pitch and Playback rate and won't support DMO or EAX effects.


Accepted MOD formats are: MOD, MTM, S3M, XM, IT and MO3

Accepted CD audio tracks format is CDA; CD tracks can be loaded with the LoadTrackFromCD method also.


If the file is in RAW format use the LoadSoundFromRawFile method.


Other formats not supported natively may be loaded through DirectShow: for formats not supported natively you can enable the automatic usage of DirectShow on a specific player by invoking the DirectShowAutoLoadEnable method with parameter "BOOL_TRUE". After a sound or video file has been loaded, you may eventually verify if its rendering is performed through DirectShow by invoking the IsDirectShowLoadedFile method.


A successful call to this method will fire the SoundLoaded event.





[Visual Basic]

control.LoadSound (

nPlayer as Integer,

strFileName as String

) as enumErrorCodes



short control.LoadSound (

short nPlayer,

LPCTSTR strFileName









Number representing the zero-based index of the player that will load the sound


String containing the absolute pathname of the song file to load. It can be a full path name (ex. c:\mysounds\sound.mp3) or a filename (ex: sound.mp3) if the SoundsDirectory property has already been specified.



Return value






enumErrorCodes.NOERROR (0)

The song file has been loaded successfully.

Negative value

An error occurred: see the LastError property for further error details or for a list of the possible error values.


(*) Requires Microsoft Windows Media Format modules already installed on the target PC: you can verify the presence of these modules through a call to the IsWmaAvailable method.

(**) Performs only sound tracks (no video): requires Microsoft Windows Media Format modules already installed on the target PC

(***) Performs only sound frames (no video)

The Windows Media Format modules can be installed using the redistribution setup package (wmfdist.exe) provided by Microsoft. Details about the integration of these modules inside your own setup package can be found on the following link of the official Microsoft web site (note that in the future this link could change due to the Microsoft site maintenance).