Biofeedback: What and Why?

Tracey J Baldwin, MA, CCC-SRegional Voice Clinic, Dir.

Speech Pathology, Mgr. East BayKaiser Permanente

Oakland, CA

April 22-23, 2011

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

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

Displays

• Visual display – lights, color bar, digital readout

• Auditory – beeping tone, verbal cues

• Tactile – vibration

Features

• Program allows SLP or vocal coach to link remotely to a server and monitor: set/change target thresholds

chart patient progress generate progress reportTelespeech –

therapy/consultation

• DAF Masking Amplified

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