Is there an element of serious doubt involved in your message? Do you need to put something in question? If so, then a cynical voice might be the right solution.
Sometimes, there is a need to express doubts in certain solutions, people and their motives. Such element of negative thinking is defined as cynicism. Being distrustful, contemptuous and pessimistic are feelings that come to every person. Often, there are times when such feelings need to be expressed openly.Doing that ofen demands that such a message, question or opinion is done through a cynical tone of voice.
The use of cynical voice is in most cases geared towards audiences that have to come to some serious decisions or when the messenger needs to question a set of opinions and values. It is very often used in reaching the voters before elections, when decisions have to be taken at all levels of political decision-making, from local community to excutive levels of a government. It is also used when a certain moral or social standard is being put into question. Again, it can be just a daily routine and can go up to such large scale problems as climate change.
Cynical voice has a negative characteristic in its tone. It sounds displeased with a certain situation or a problem and puts in question certain manners or decisions. It is a voice that sounds very firm in its opinion, a voice that sounds that thids opinion is very hard to change. Very often, it speaks in a questioning mode.