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K20W Sound Writer User Guide 

Page 7 of 12 

 
Step 1 

– Select Device 

 

-

  Click the pulldown list to show a list of devices and select the device you want to 

work on. 

 
Step 2 

– Select Trigger Mode 

 

-

  Select the type of Trigger Mode you want. For more information, see 

Trigger Options

 

or Triggering examples. 

 
Step 3 

– Select Voice Playback Volume Type 

 

-

  Select VOUT(PWM) for PWM playback from the Pin VOUT1 and VOUT2, or 

COUT(DAC) for DAC playback from the Pin VOUT2. This option is louder. 

 
 

 

Fig. 7  

 

Step 4 

– Select Voice Compress Type 

 

-

  Click the pulldown list to select the compress type for the input sound file. Lower bit 

compression such as 4-bit ADPCM, takes less memory space to store the sound file. 
However, the sound quality is better with higher bit compression. 

 

1. Select Device 

2. Select Trigger Mode 

3. Select Voice Output 

Type and volume 

5. Add Sound file and Silence 

6. Select Compress 

or Not compress 

7. Double click to add 

sound to voice group 

4. Select Compression Type 

9. Double to enable or 

disable BUSY output 

11. Compile and create the DAT file 

8. Double to set the Voice 

Group options 

10. Open Application Notes 

5b. Double click the sound filename to 
add to the highlighted

 

voice group

 

Summary of Contents for K20W

Page 1: ...K20W Sound Writer User Guide Page 1 of 12 K20W Sound Writer USER GUIDE Kowatec Corporation www kowatec com...

Page 2: ...r User Guide Page 2 of 12 Table of Content Introduction 3 Installation Error Bookmark not defined Running the Software 4 Compiler Window 6 Writer Window 9 Inserting Devices onto the Programmer 11 Tech...

Page 3: ...ng different Options and Trigger Modes of each individual Voice Group The Writer is used to program the voice data into the voice chips that resulted from the Compiler Function The Writer must be conn...

Page 4: ...ime the current supply from USB may not be sufficient to support the Writer In this case an external 5V DC adapter with at least 1A capacity should be connected separately to the power jack center pos...

Page 5: ...the USB cable during the firmware update Otherwise the Writer Programmer board will be damaged permanently Press OK to begin the update process Fig 4 In case of firmware update failure an error messag...

Page 6: ...ile Display Area displays a list of sound files used Voice Group Listing shows the available voice groups and the trigger options Function Buttons to perform the specific functions Memory Usage displa...

Page 7: ...ct Voice Compress Type Click the pulldown list to select the compress type for the input sound file Lower bit compression such as 4 bit ADPCM takes less memory space to store the sound file However th...

Page 8: ...ound file or Silence to Voice Group Highlight the Voice Group you want to edit Double click the sound file name to add the sound file to the highlighted Voice Group Note You can add any number of soun...

Page 9: ...s also displayed If the DAT is corrupted it will have incorrect check sum and will not be loaded Blank Check To Blank check the inserted voice chip Fig 9 to 10 If the Device list box does not show the...

Page 10: ...eft to right to indicate the operation is in progress 3 If the operation is completed and passed the result is displayed in Blue on the Status bar Fig 9 4 If the operation is completed and failed the...

Page 11: ...ted align to the bottom of the 24 pin textool socket SOP Package Additional SOP adapter should be used and align to bottom of the 24 pin textool socket Adapter 16S D2 for K161004 2104 4208 SOP K161004...

Page 12: ...Page 12 of 12 Technical Support Email support kowatec com sales kowatec com Forum www kowatec com forum Tel 408 451 9779 Kowatec Corporation 1580 Oakland Rd C102 San Jose CA 95131 U S A Adapter 20S D...

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