THG TIM 2015, Technical Manual

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TIM 2015 Technical Manual v1 (February 2018) Page 30
Everything in this default setting is fine, but for the stereo setting, which you must change to mono here by selecting Mono in the menu:
For TIM 2015 this (0.8 to -0.8) is the ideal amplitude for loud peaks. You can expand or reduce the amplitude in Audacity.
This signal here is slightly too loud (note the flat-topping) and needs to be reduced. Use the Amplify effect and ‘amplify’ by -1.
The length of each audio file and where you place the audio within the file is critical to getting things right too. The following details are
correct for the Pat Simmons (British) voice. Other voices will use slightly different timings but the general principles remain the same.

File 080.WAV contains the three pips. It lasts 3 seconds, with the audio beginning at 0.45 seconds.

File 001.WAV contains the three pips and the words ‘At the third stroke <pause> it will be one’ [the pause mimics the delay in the
original recording when it changed tracks]. This carries on up to 012.WAV (‘At the third stroke it will be twelve’). These files run for
3.1 seconds with the audio beginning at around 0.40 seconds.