Estill Figures Proficiency (EFP)
Listed below are all the protocols and how to complete them in preparation for your EFP exam.
Once subscribed to the EFP Academy, you will have access to the video demonstrations, tutorial videos & can comment below the videos to ask questions which we will either answer directly, or create a video to address the questions if there is sufficient interest.
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.
You also might like to download the EFP Study Guide!

Pay Upfront
Single, All-Inclusive Fee- One-off, All-Inclusive Fee
- 6 x 3hr Monthly Group session (online)
- Access to EFP Academy
- Reduced 1:1 Coaching Fees
- Examination
Payment Plan
Spread the cost of your EFP- 6 x monthly payments
- 6 x 3hr Monthly Group session (online)
- Access to EFP Academy
- Reduced 1:1 Coaching Fees
- Examination

An Introduction to Estill VoicePrint
Estill VoicePrint™ 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 VoicePrint™ 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 VoicePrint™ 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.
About the exam
You have 3 attempts to pass each protocol when taking the exam. If you are unable to successfully complete the protocol you will have to reattempt it on another occasion.
Your exam can be conducted in-person or online depending on your location and/or preferred examiner.
Your examination attempts are included in your fee.
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
Minimum 1.5 octave siren.
You can start low and move high, or start high and move low.

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.