Microsoft Speech Platform

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SPSTREAMFORMAT

SPSTREAMFORMAT lists the supported stream formats.

These enumeration elements are all common audio formats ranging from the uncompressed PCM formats to highly compressed formats. They are available as standard formats on the Windows operating systems and are supported by SAPI 5.

typedef enum SPSTREAMFORMAT
{
    SPSF_Default,
    SPSF_NoAssignedFormat,
    SPSF_Text,
    SPSF_NonStandardFormat,
    SPSF_ExtendedAudioFormat,
    // Standard PCM wave formats
    SPSF_8kHz8BitMono,
    SPSF_8kHz8BitStereo,
    SPSF_8kHz16BitMono,
    SPSF_8kHz16BitStereo,
    SPSF_11kHz8BitMono,
    SPSF_11kHz8BitStereo,
    SPSF_11kHz16BitMono,
    SPSF_11kHz16BitStereo,
    SPSF_12kHz8BitMono,
    SPSF_12kHz8BitStereo,
    SPSF_12kHz16BitMono,
    SPSF_12kHz16BitStereo,
    SPSF_16kHz8BitMono,
    SPSF_16kHz8BitStereo,
    SPSF_16kHz16BitMono,
    SPSF_16kHz16BitStereo,
    SPSF_22kHz8BitMono,
    SPSF_22kHz8BitStereo,
    SPSF_22kHz16BitMono,
    SPSF_22kHz16BitStereo,
    SPSF_24kHz8BitMono,
    SPSF_24kHz8BitStereo,
    SPSF_24kHz16BitMono,
    SPSF_24kHz16BitStereo,
    SPSF_32kHz8BitMono,
    SPSF_32kHz8BitStereo,
    SPSF_32kHz16BitMono,
    SPSF_32kHz16BitStereo,
    SPSF_44kHz8BitMono,
    SPSF_44kHz8BitStereo,
    SPSF_44kHz16BitMono,
    SPSF_44kHz16BitStereo,
    SPSF_48kHz8BitMono,
    SPSF_48kHz8BitStereo,
    SPSF_48kHz16BitMono,
    SPSF_48kHz16BitStereo,
    // TrueSpeech format
    SPSF_TrueSpeech_8kHz1BitMono,
    // A-Law formats
    SPSF_CCITT_ALaw_8kHzMono,
    SPSF_CCITT_ALaw_8kHzStereo,
    SPSF_CCITT_ALaw_11kHzMono,
    SPSF_CCITT_ALaw_11kHzStereo,
    SPSF_CCITT_ALaw_22kHzMono,
    SPSF_CCITT_ALaw_22kHzStereo,
    SPSF_CCITT_ALaw_44kHzMono,
    SPSF_CCITT_ALaw_44kHzStereo,
    // u-Law formats
    SPSF_CCITT_uLaw_8kHzMono,
    SPSF_CCITT_uLaw_8kHzStereo,
    SPSF_CCITT_uLaw_11kHzMono,
    SPSF_CCITT_uLaw_11kHzStereo,
    SPSF_CCITT_uLaw_22kHzMono,
    SPSF_CCITT_uLaw_22kHzStereo,
    SPSF_CCITT_uLaw_44kHzMono,
    SPSF_CCITT_uLaw_44kHzStereo,
    // ADPCM formats
    SPSF_ADPCM_8kHzMono,
    SPSF_ADPCM_8kHzStereo,
    SPSF_ADPCM_11kHzMono,
    SPSF_ADPCM_11kHzStereo,
    SPSF_ADPCM_22kHzMono,
    SPSF_ADPCM_22kHzStereo,
    SPSF_ADPCM_44kHzMono,
    SPSF_ADPCM_44kHzStereo,
    // GSM 6.10 formats
    SPSF_GSM610_8kHzMono,
    SPSF_GSM610_11kHzMono,
    SPSF_GSM610_22kHzMono,
    SPSF_GSM610_44kHzMono,
    SPSF_NUM_FORMATS
} SPSTREAMFORMAT;