Home › Forums › temp › Who is running a multiple transmitter setup on same frequency? › In Phase Audio
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Rich touched upon a major point that has not been singled out prior to now, in these discussions:
“…modulate each transmitter in the same audio phase.”
Audio phase becomes important when two audio signals get mixed together.
Many electronic hobbyists use unbalanced audio lines, so they may not encounter audio phase problems, but two identical audio lines going to two different transmitters results in audio being mixed in the air.
The phase of a single audio line can flip because of a balanced line being wired in reverse, or an audio signal amplifier inverting the phase.
Out of phase audio signals cancel, and it is important not to blame the problem on the transmitters.