His work at Legacy Audio includes advancements in controlled directivity loudspeaker designs, wave-launch coherence in low-frequency radiators, dynamic braking in active speaker design, selectable directivity multi-way microphone arrays, feedback-eliminating stage monitors, and isolated wall-mounting methods for speaker systems.
[4] Dudleston has also published articles on acoustics and loudspeaker design and authored Reinforcement, Resonance, and Reverberation: Fundamentals in Sound Control.
[5] Dudleston has designed speaker systems for companies including Arista, Sony, Universal Music Group, and archival organizations such as the Stradivari Society.
Remastering engineer Steve Hoffman has used Legacy speakers on re-issues of Elvis Presley, Frank Sinatra, and Nat King Cole recordings.
Dudleston and Legacy Audio have been featured in industry publications such as Billboard, The Wall Street Journal, Stereophile, The Absolute Sound, Home Theater Magazine, and Robb Report.