Estill Figures Proficiency (EFP)
A concise list of all the protocols and how to complete them in preparation for your EFP exam.
Copy the demonstrations in the videos (including the Estill Hand Signals) and check the ‘How To’ videos for hints & tips on how to achieve the required outcome.
Check the Certification Manual for further/specific information about the EFP.


An Introduction to Estill VoicePrint
Estill VoicePrintâ„¢ is a narrowband Spectrogram of 5000Hz which shows the most important acoustical information for your EFP.
This introduction will guide you through the key features of the Estill VoicePrintâ„¢ program and how to use it.
Rules for Protocols
There are 26 protocols that are all required to be completed correctly in order to acheive the EFP.
Each protocol is accompanied by a video of Leon and Steph each performing the protocol task that you can copy.
Each video shows Leon or Steph demonstrating with the required hand signals alongside a live Estill VoicePrintâ„¢ recording.
These videos are accompanied by an explanation video to guide your practise.
Please leave comments or questions under the video to ask questions about aspects with which you are having difficulty. These comments act as a forum for future EFP students & will be monitored and moderated by Leon & Steph.
True Vocal Folds Onsets/Offsets
The first 4 protocols are Onsets/Offsets
- Glottal
- Apirate Abrupt
- Apirate Gradual
- Smooth
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.

False Vocal Folds
Conditions:
Mid | Constrict | Retract
The protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.

True Vocal Folds Body-Cover
Conditions:
Slack | Thick | Thin | Stiff
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.

Thyroid Cartilage
Conditions:
Vertical | Tilt
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.

Estill Siren

Cricoid Cartilage
Conditions:
Vertical | Tilt
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.
Aryepiglottic Sphincter
Conditions:
Wide | Narrow
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.
Larynx
Conditions:
High | Mid | Low
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.

Velum
Conditions:
High | Mid | Low
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.
Tongue
Conditions:
High | Mid | Low
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.
Jaw
Conditions:
Forward | Mid | Back | Dropped
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.
Lips
Conditions:
Spread | Protrude
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.
Head & Neck Anchoring
Conditions:
Relaxed | Anchored
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.

Torso Anchoring
Conditions:
Relaxed | Anchored
Each protocol must be completed on a single pitch of A, C or E on the vowels i | a |u.

Speech Quality
i – a – u on every note of a diatonic major scale across one octave.
Falsetto Quality
i – a – u on every note of a diatonic major scale across one octave.

Sob Quality
i – a – u on every note of a diatonic major scale across one octave.

Twangs Quality
i – a – u on every note of a diatonic major scale across one octave.
Oral & Nasal Twangs

Opera Quality
i – a – u on every note of a diatonic major scale across one octave.
Belt Quality
i – a – u on every note of a diatonic major scale across one octave.