Native Formats for SAPI

[weaver4]

Let me ask a very basic question and see if I can get an answer for this one.

In SAPI I can select the Voice Format using the following code.

SpAudioFormat af = new SpAudioFormat();
af.Type = SpeechAudioFormatType.SAFTCCITT_uLaw_8kHzMono;

What Speech formats do you support natively?

The choices are listed below.


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Enum SpeechAudioFormatType
SAFTDefault = -1
SAFTNoAssignedFormat = 0
SAFTText = 1
SAFTNonStandardFormat = 2
SAFTExtendedAudioFormat = 3

// Standard PCM wave formats
SAFT8kHz8BitMono = 4
SAFT8kHz8BitStereo = 5
SAFT8kHz16BitMono = 6
SAFT8kHz16BitStereo = 7
SAFT11kHz8BitMono = 8
SAFT11kHz8BitStereo = 9
SAFT11kHz16BitMono = 10
SAFT11kHz16BitStereo = 11
SAFT12kHz8BitMono = 12
SAFT12kHz8BitStereo = 13
SAFT12kHz16BitMono = 14
SAFT12kHz16BitStereo = 15
SAFT16kHz8BitMono = 16
SAFT16kHz8BitStereo = 17
SAFT16kHz16BitMono = 18
SAFT16kHz16BitStereo = 19
SAFT22kHz8BitMono = 20
SAFT22kHz8BitStereo = 21
SAFT22kHz16BitMono = 22
SAFT22kHz16BitStereo = 23
SAFT24kHz8BitMono = 24
SAFT24kHz8BitStereo = 25
SAFT24kHz16BitMono = 26
SAFT24kHz16BitStereo = 27
SAFT32kHz8BitMono = 28
SAFT32kHz8BitStereo = 29
SAFT32kHz16BitMono = 30
SAFT32kHz16BitStereo = 31
SAFT44kHz8BitMono = 32
SAFT44kHz8BitStereo = 33
SAFT44kHz16BitMono = 34
SAFT44kHz16BitStereo = 35
SAFT48kHz8BitMono = 36
SAFT48kHz8BitStereo = 37
SAFT48kHz16BitMono = 38
SAFT48kHz16BitStereo = 39

// TrueSpeech format
SAFTTrueSpeech_8kHz1BitMono = 40

// A-Law formats
SAFTCCITT_ALaw_8kHzMono = 41
SAFTCCITT_ALaw_8kHzStereo = 42
SAFTCCITT_ALaw_11kHzMono = 43
SAFTCCITT_ALaw_11kHzStereo = 4
SAFTCCITT_ALaw_22kHzMono = 44
SAFTCCITT_ALaw_22kHzStereo = 45
SAFTCCITT_ALaw_44kHzMono = 46
SAFTCCITT_ALaw_44kHzStereo = 47

// u-Law formats
SAFTCCITT_uLaw_8kHzMono = 48
SAFTCCITT_uLaw_8kHzStereo = 49
SAFTCCITT_uLaw_11kHzMono = 50
SAFTCCITT_uLaw_11kHzStereo = 51
SAFTCCITT_uLaw_22kHzMono = 52
SAFTCCITT_uLaw_22kHzStereo = 53
SAFTCCITT_uLaw_44kHzMono = 54
SAFTCCITT_uLaw_44kHzStereo = 55
SAFTADPCM_8kHzMono = 56
SAFTADPCM_8kHzStereo = 57
SAFTADPCM_11kHzMono = 58
SAFTADPCM_11kHzStereo = 59
SAFTADPCM_22kHzMono = 60
SAFTADPCM_22kHzStereo = 61
SAFTADPCM_44kHzMono = 62
SAFTADPCM_44kHzStereo = 63

// GSM 6.10 formats
SAFTGSM610_8kHzMono = 64
SAFTGSM610_11kHzMono = 65
SAFTGSM610_22kHzMono = 66
SAFTGSM610_44kHzMono = 67

// Other formats
SAFTNUM_FORMATS = 68
End Enum