Dealing with talkative kids can be a little tricky but it is not hard at all. You just need to make them realize what the social etiquette are and how it is ill mannered to talk or shout while talking. Talkative kids can be really irritating at times but
The key to dealing with talkative kids is to make them realize the issue you have with excessive talking. It's not just the noise; teach them how according to social etiquettes is unethical to speak excessively especially if it doesn't fall out of line with the ambiance of the conversation. The first step towards dealing with talkative kids is to make them realize what they're doing wrong. There is no need to put pressure on them, talking at different intervals with them and bringing up the issue will be fine to make them realize.
Teach your child that talking is an art and that it must be mastered to avoid embarrassment. Once your talkative child is aware of their mistake or aware of how and where they go wrong try setting short term and later long term goals to reward your child once your talkative child attains a certain degree of control over their excessive speech.
To deal with a talkative child, it is imperative that your child does not feel scorned or terrorized by you taking control over their habits. Talking habits of your child must be kept in control at a young age otherwise with growing adolescents; the habit may reflect them as ill-fitting subjects in gatherings. Deal with talkative kids like a challenge instead of a problem. Encourage and reward them instead of absconding them and you might turn your rowdy mob into gentle civilized children.