To dream that you are talking does not have any significance unless it is unusual or bizarre. Consider also if what you say evoke strong feelings or behavioral reactions. The dream may simply be highlighting your need improve your communication skills or learn to express yourself more clearly.
To dream of talking, denotes that you will soon hear of the sickness of relatives, and there will be worries in your affairs. To hear others talking loudly, foretells that you will be accused of interfering in the affairs of others. To think they are talking about you, denotes that you are menaced with illness and disfavor.
If you dream of talking in general, you will soon be made aware of many small worries in your everyday affairs or you will hear of a near relatives problems. To hear others speaking in a loud voice denotes that you will be falsely accused of malicious gossip.