サウンド/イベントサウンド - Flash SWF Spec

イベントサウンド

DefineSound

フィールド	型	コメント
Header	RECORDHEADER	タグタイプ = 14
SoundId	UI16	ID for this sound.
SoundFormat	UB[4]	Format of SoundData. See “Audio coding formats” on page 201.
SoundRate	UB[2]	The sampling rate. This is ignored for Nellymoser and Speex codecs. 5.5kHz is not allowed for MP3. 0 = 5.5 kHz 1 = 11 kHz 2 = 22 kHz 3 = 44 kHz
SoundSize	UB[1]	Size of each sample. This parameter only pertains to uncompressed formats. This is ignored for compressed formats which always decode to 16 bits internally. 0 = snd8Bit 1 = snd16Bit
SoundType	UB[1]	Mono or stereo sound This is ignored for Nellymoser and Speex. 0 = sndMono 1 = sndStereo
SoundSampleCount	UI32	Number of samples. Not affected by mono/stereo setting; for stereo sounds this is the number of sample pairs.
SoundData	UI8[size of sound data]	The sound data; varies by format.

StartSound

フィールド	型	コメント
Header	RECORDHEADER	タグタイプ = 15.
SoundId	UI16	ID of sound character to play.
SoundInfo	SOUNDINFO	Sound style information.

StartSound2

フィールド	型	コメント
Header	RECORDHEADER	タグタイプ = 89.
SoundClassName	STRING	Name of the sound class to play.
SoundInfo	SOUNDINFO	Sound style information.

SOUNDINFO

フィールド	型	コメント
Reserved	UB[2]	Always 0.
SyncStop	UB[1]	Stop the sound now.
SyncNoMultiple	UB[1]	Don’t start the sound if already playing.
HasEnvelope	UB[1]	Has envelope information.
HasLoops	UB[1]	Has loop information.
HasOutPoint	UB[1]	Has out-point information.
HasInPoint	UB[1]	Has in-point information.
InPoint	If HasInPoint, UI32	Number of samples to skip at beginning of sound.
OutPoint	If HasOutPoint, UI32	Position in samples of last sample to play.
LoopCount	If HasLoops, UI16	Sound loop count.
EnvPoints	If HasEnvelope, UI8	Sound Envelope point count.
EnvelopeRecords	If HasEnvelope, SOUNDENVELOPE[EnvPoints]	Sound Envelope records.

SOUNDENVELOPE

フィールド	型	コメント
Pos44	UI32	Position of envelope point as a number of 44 kHz samples. Multiply accordingly if using a sampling rate less than 44 kHz.
LeftLevel	UI16	Volume level for left channel. Minimum is 0, maximum is 32768.
RightLevel	UI16	Volume level for right channel. Minimum is 0, maximum is 32768.