The phrase "sound background" is correct and usable in written English.
You can use it to refer to a person's skills, experiences, or qualifications in a certain area. For example, "She brings a wide range of qualifications and a sound background in business to the role."
To demonstrate the improvement they made a talkie which begins with the usual blurred sound background, then suddenly clears.
Mr. Shaw, 47, the former budget director under Mayor Rudolph W. Giuliani, is a well-regarded leader with a sound background in finance, having managed his way through some harrowing budgets in the early 1990's and having led the M.T.A. through a period of great infrastructure needs and big expansion plans.
Present studies of micellization and sizes of micelles, foamability and foam stability of different nonionic surfactants provide a sound background for selection and application of surfactants for EOR.
Furthermore, NCSE staff members consistently partner with experts in a wide variety of fields to provide sound background material to help the general public understand why evolution is so completely accepted and so useful in the sciences.
Evaluating every scientific publication according to the criteria finally allows for selection of solely those papers that provide sound background information on the nanomaterials and the toxicological tests applied [4].
Coming from a production company that boasts of its sound background, you expect a pretty high-caliber output.
Compensation was not offered until the end of the interview because during pilot testing, concern emerged that the offer of compensation might offend individuals of financially sound backgrounds or others who were not accustomed to participating in research studies.
While playing, percussive sounds, background noise (fingernails) and mechanical vibrations/shocks caused by playing too hard should be avoided.
Try to distinguish the different sounds, e.g background sounds are a lot different then the sounds that are from your enemies.
Only about a third of the surveyed applications were found to have a sound scientific background.
When (m=n), such real rectangular tensors have a sound application background.
