Sierra Audio
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- Company: Sierra Entertainment
This page describes audio format and codecs used in different games by Sierra.
File Format
Byte Value ---------------- 0 Header size 1 Version 2-5 String "SOL" 6-7 Sample rate 8 Flags 9-10 Size
Flags are used to determine audio format and compression:
0x01 DPCM 0x04 Stereo 0x10 16-bit
Working scheme to determine what decompressor to use:
if(Version == 0x8D) { if(Flags & USE_DPCM) use old DPCM variant; else use 8-bit unsigned mono PCM; } if(Flags == USE_DPCM | USE_16BIT) use 8->16 bit DPCM; else if(Flags == USE_DPCM) use new DPCM variant; else if(Flags & USE_16BIT) use 16-bit mono or stereo PCM; else use 8-bit mono PCM;
Games Using This Format
- The Dagger of Amon Ra (a.k.a. Laura Bow 2)
- The Island of Dr. Brain
- King's Quest V: Absence Makes the Heart Go Yonder
- King's Quest VI: Heir Today, Gone Tomorrow
- King's Quest VII: The Princeless Bride
- Leisure Suit Larry 5: Passionate Patti Does a Little Undercover Work!
- Leisure Suit Larry 6: Shape Up or Slip Out!
- Leisure Suit Larry 7: Love For Sail
- Mixed-Up Mother Goose
- Pepper's Adventures in Time
- Phantasmagoria
- Space Quest IV: Roger Wilco and the Time Rippers
- Space Quest V: The Next Mutation
- Space Quest 6: Roger Wilco in the Spinal Frontier
- Torin's Passage