Final answer:
In clean verbatim transcription, significant sound events like laughter should be noted as [laughter]. Recognizing how sounds are spelled and their respective intensity levels is essential for understanding language and transcription nuances. The term for the loudness of a sound is 'intensity level or decibel'.
Step-by-step explanation:
Significant sound events in clean verbatim should be noted using the option b) [laughter]. This format is commonly accepted in transcribing to indicate non-verbal sounds or activities that occur during speech. Not using this format could result in overlooking important nuances in communication such as laughter, which has been found across most cultures to signify humor, joy, or pleasure.
When analyzing sounds within words, it's important to identify the spelling that represents the sound correctly. For example, the sound [g] can be spelled , , or , whereas the sound [t] is usually spelled . Similarly, vowel sounds can be either short or long, which changes the meaning of the word, as shown in the case of words like 'peace' (long sound [ē]) versus 'wedge' (short sound [e]).
Understanding sounds is also relevant when discussing the intensity level or decibel of a sound, which is the correct term to describe the loudness of a sound as mentioned in option b) intensity level or decibel. It's distinct from other sound properties like frequency, timbre, and pitch.