About Us

Liam Yelen


Liam Yelen got hooked on the audio-post production business 7 years ago! In that time he has become well known and established himself as a competent recording engineer and sound-designer with a great ear and excellent attention to detail. 

He has recorded and mixed numerous long form programmes, documentaries and films as well as TV and radio commercials and podcasts.

Liam continues to work with a range of great clients from both at home and  at international level.

He is constantly exploring new audio technologies and keeping up with this ever changing industry. Liam is the latest member to join the Locky Butler audio team. The addition of Liam further enhances the professional level of service already on offer.

Locky Butler


Locky Butler is a recording engineer, sound-designer and mixer with over  30 years experience. He has worked with clients from the broadcast, film, advertising, animation and music industries at both local and international level. 

He was nominated for an Emmy award for 'Outstanding Sound Editing - Live Action And Animation' and won an IFTA award in 2014 for 'Best Sound In Television'. He has mixed some of the most recognised television documentaries at international level that have won multiple awards.

 Locky also has a long established pedigree in recording and mixing commercials for TV and radio. His advertising clients include; Ogilvy, Irish International, DDFH&B, Boys & Girls, Rothco, Chemistry, Cawley Nea and many more. Music clients include U2, Hozier, Foo Fighters, The Cranberries, Macy Gray, Sinead O'Connor, Kodaline and more. Broadcast, film and animation clients include RTE, BBC, Channel 4, Warners Bros, TG4, ITV, Disney, Brown Bag Films and Boulder Media. See Lockys credit lists for more details.

John Griffin


John Griffin has been a recording engineer, sound-designer and mixer for almost 14 years. He has built up a reputation in the industry for his creative audio post work. He is experienced in all areas of audio including sound-editing of dialog, sfx and foley and has mixed dramas, features, animation and commercials. 

John mixed two seasons of Disney’s hit animation series ‘Randy Cunningham - 9th Grade Ninja’. He has also mixed and worked on dramas and film that have appeared on ITV, BBC, Sky, Discovery and RTE Television. 

John is also an accomplished sound-designer and has created many outstanding soundtracks in all areas, especially TV commercials. He has also worked jointly on occasions with Locky and mixed projects for U2, Other Voices, Bob Geldof and a host of high-end documentaries.

Audio Showreel

Our services

  • Mixing (Stereo/ 5.1 surround)
  • Sound-Design concept & creation
  • Sound Effects spotting & editing
  • TV/ Radio commercial soundtracks
  • 5.1 Cinema mixing
  • Voice Over recording
  • Short & long form programming
  • ADR recording/ supervision
  • Secure dedicated file delivery system
  • Voice Over casting/ booking
  • TV Promos
  • Frame rate conversion/ Pitch correction - DCP
  • IVR recording
  • Source Connect Pro
  • Corporate & On-line content audio
  • MPEG/ Quicktime encoding
  • Location/ On-site recording
  • Podcast content creation

Contact Us

Locky Butler

16 Fitzwilliam Square East, Dublin 2, Ireland

(01) 662 6810

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