Text to Speech using arduino zero
To download only the 20k english words go to the link:
http://www.inviot.com/downloadfile/italk/langEn20kOnly.zip
For full SD :
http://www.inviot.com/downloadfile/italk/langFull.zip
Make sure you have the folder 'lang/' in the root directory of the SD card. No need to format the SD card, just copy the 'lang/' folder.