Final answer:
Feedback or backchannel cues are voice qualities or noises made as someone speaks that indicate active listening and understanding. Voice qualities add nuance to communication and are composed of adjustments in volume, pitch, and intonation. Vocal cords, mouth, and facial muscles shape these sounds, which are important for both conversation and musical expression.
Step-by-step explanation:
The phenomenon you are referring to is typically known as feedback or backchannel cues in the context of communication. These are the voice qualities or noises made during speech that let a speaker know their message is being heard and followed. Examples of this can range from a simple "mm-hmm" to nods of the head or brief verbal affirmations.
Voice qualities are integral in communication as they add nuance and emotion to the words being spoken, impacting how the message is received and understood by the audience. Adjustments in volume, pitch, and intonation can dramatically alter the meaning conveyed. For instance, a louder volume might be used to express excitement or to be heard over noise.
When we speak, we use our vocal cords to produce sound waves that are further shaped by our mouth and facial muscles. Learning the effects of these voice qualities and how to control them is crucial for effective communication. This is not only relevant in everyday conversation but also in areas such as music, where the distinct sounds of singing or vocalization contribute to the art form's expressive power.