1. Biofeedback: What and Why?
Tracey J Baldwin, MA, CCC-S
Regional Voice Clinic, Dir.
Speech Pathology, Mgr. East Bay
Kaiser Permanente
Oakland, CA
April 22-23, 2011

2. Vision iphone application / portable device
Captures sound in real time as it is being produced by singer/speaker
Processes and displays information about voice via three modes
Provides instant feedback allowing singer to monitor and self correct
the vocal signal

3. Components Voice detection sensor External sensor – Muscle effort
In the ear monitor piece
Real time processing of sound
Multichannel tracking of pitch, volume, expiratory muscle effort
Display of vocal parameters in one of three modes – visual, auditory, vibrotactile

4. Displays Visual display – lights, color bar, digital readout
Auditory – beeping tone, verbal cues
Tactile – vibration

5. Features
Program allows SLP or vocal coach to link remotely to a server and monitor:
set/change target thresholds
chart patient progress
generate progress report
Telespeech – therapy/consultation
DAF Masking Amplified

6. Purpose Set vocal parameters for post op voice use
Monitor vocal progress post injury
Monitor vocal progress post operatively
EMG Monitor and correct MTD patterns
Continuity of care while on tour