thanks for reading and your reply..
the sketch I attached to my first post is the original from Velleman. I tried to change this sketch (see attach.). Could it be that the digital pin is not the correct one? Though after the '#include' it initializes chip(10) ...
btw: the library is downloadable via VMA02: RECORDING AUDIO SHIELD FOR ARDUINO® – Velleman – Wholesaler and developer of electronics (under support)
In the user manual ( also via the Velleman link) you can see how he shield looks like. I physically changed the push button on the shield for a tilt sensor.
ISD1700test.ino (1.11 KB)