Loud whispering, known as astagewhisper, is generally used only for dramatic or emphatic purposes.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
I am sure that the stage whispers would still go on and that suppression would still take place in suitable circumstances.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.