SPO vox sustain allophones in phonetic files

Adding a duration marker to alter the normal duration of the allophone.
Here is the syntax to use in your .spo file : (add a + marker and the duration in milliseconds)

technology: \TT1 \EH +500 \KK1 \NN1 \AA +200 \LL \AX +200 \JH \IY
mathematics: \MM \AE \TH \AX \MM \AE \TT1 \IH \KK1 \S
spacecraft: \S \PP \EY \S \KK1 \RR2 \AE \FF \TT1
electronic: \IH \IH \LL \EH \KK1 \TT1 \RR2 \AA +200 \NN1 \IH +200 \KK1
electronic: \IH \IH \LL \EH +400 \KK1 \TT1 \RR2 \AA +800 \NN1 \IH +500 \KK1