![]() ![]() The MPEG-4 File Source and the ADTS Parser output this subtype. This subtype is equivalent to MEDIASUBTYPE_MPEG_HEAAC, defined in wmcodecdsp.h. The effect of the PS tool is to decode stereo from a mono-channel core AAC-LC stream. The effect of the SBR tool is to double the decoded sample rate relative to the core AAC-LC sample rate. For this subtype, the media type gives the sample rate and number of channels prior to the application of spectral band replication (SBR) and parametric stereo (PS) tools, if present. The AAC decoder supports the following audio subtypes: Subtype The AAC decoder supports the following media types. The class identifier (CLSID) of the AAC encoder is CLSID_CMSAACDecMFT, defined in the header file wmcodecdsp.h. ![]() It can also convert an LATM/LOAS stream to ADTS. Starting in Windows 8, the AAC decoder also supports decoding MPEG-4 audio transport streams with a multiplex layer (LATM) and synchronization layer (LOAS). ![]() The AAC decoder supports both raw AAC streams with no headers and AAC in an audio data transport stream (ADTS).
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