+ "depth = (int) 32, " \
+ "signed = (bool) TRUE;" \
+ "audio/x-raw-int, " \
+ "channels = (int) [ 1, MAX ], " \
+ "rate = (int) [ 1, MAX ], " \
+ "endianness = (int) BYTE_ORDER, " \
+ "width = (int) 32, " \
+ "depth = (int) 24, " \
+ "signed = (bool) TRUE"