Sound Effect Integrated Circuits - HK637-x

5 kind ICs available for sounds of 
   animals ,  train , Baby cry & laugh ,
   truck , car sounds .
 Fixing sound output with 4 sections   
   each kind IC by 4 trigger keys ( TG1 
   ~ TG4 pin) option .
 Trigger mode fixed in IC body by One
   shot non re-trigger , Level hold or One
   shot re-trigger type ,  can't be    
   selectable .
  Sound list :
   uHK637- 1  ( 4 Animal sounds )
      TG1 pin: Cat sound
      TG2 pin: Hen sound
      TG3 pin: Cow sound
      TG4 pin: Dog sound
   uHK637- 2   ( Train sound )      
      TG1 pin : Sounds of Train whistle
         + Train driving + Warning bell +
         Train pass by bridge
      TG2 pin : Train whistle sound
      TG3 pin : Warning bell sound
      TG4 pin : Train pass by bridge 
                       sound 
   uHK637- 3  ( Baby cry & laugh
      sound )     
      TG1 pin : Baby laugh sound
      TG2 pin : Baby cry sound
      TG3 pin : Ma Ma ( baby 
                       speech )
      TG4 pin : Ma Ma + Baby cry
                       sound 
   uHK637- 4  ( Truck Sound )     
      TG1 pin : Truck start + engine
                       sounds
      TG2 pin : Truck start + engine +
                       driving sounds
      TG3 pin : Truck horn sound
      TG4 pin : Truck horn + driving
                       sounds 
   uHK637- 5  ( Car sound ) 
      TG1 pin : Car horn sound
      TG2 pin : Car start + engine
                       sounds
      TG3 pin : Car acceleration +
                       driving sounds
      TG4 pin : Car start + engine +
                       acceleration + driving
                       sounds