Old release, as found on pegasosforum.de:

Small shell tool to enable SigmaTel 9766 3d sound capability.  It accepts
either 0 (off), 1, 2 or 3 as parameter to modify the 3d sound level.  It
affects both analog and digital output.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                11615   25588  45.4% -lh5- 6e97 Jun 19  2005 setup3dsnd
[generic]                  140     188  74.5% -lh5- ce95 Jun 19  2005 setup3dsnd.doc
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         2 files   11755   25776  45.6%            Jun 18  2007