Sound technique

[Shazlee69]

"Applying sound techniques". What does it mean by "sound technique" in a phrase?

[Tdol]

What's the full context? Sound here could mean reliable, effective, etc.

[Shazlee69]

"applying sound techniques in planning"

[Raymott]

"applying sound techniques in planning"

Planning a stage concert? Tdol is trying to get more context to differentiate the meaning of "sound", and possibly "technique".
Why not give a full sentence? Or give an explanation of the context in which you've come across the term.

[SoothingDave]

Good practices. Methods that are proven. Way to do the job that are known to be effective.