Health Condition 1: C329- Malignant neoplasm of larynx, unspecified
Conditions
Interventions
Intervention1: Wearable electrolarynx device: A non invasive wearable electrolarynx prototype with motion sensor based activation designed to enable hands free speech production. The device is externa
Sponsors
Manipal Academy of Higher Education (MAHE)
Eligibility
Inclusion criteria
Inclusion criteria: Adults of either sex aged eighteen years and above. The study includes two participant groups. Healthy volunteer group: Adults aged eighteen to eighty years. Healthy volunteers with no history of head and neck surgery laryngeal pathology or neurological or musculoskeletal disorders affecting jaw motion. Normal or corrected vision and hearing. Unimpaired oral motor function able to perform instructed jaw movements and speech tasks. Able to read and comprehend English or Kannada. Willing and able to provide written informed consent and comply with study procedures. Patient group: Adults aged eighteen years and above who have undergone total or partial laryngectomy and have received surgery or radiotherapy as primary treatment. Medically stable with adequate functional vision and hearing. Unimpaired oral motor capabilities assessed by a speech language pathologist sufficient for mouthing words. Able to read and comprehend English or Kannada. Capable of providing informed consent and willing to use the wearable device.
Exclusion criteria
Exclusion criteria: Healthy volunteer group: Current skin conditions at the neck contact site. Known allergy to silicone or strap materials. Acute respiratory illness. Patient group: Significant hearing loss or pre existing hearing or speech impairment that interferes with communication as documented in the chart or reported by family members. Neurological or musculoskeletal disorders affecting jaw motion. Severe cognitive or motor impairments limiting device use. Active infection or unresolved postoperative complications. Prior hypersensitivity to materials used in the device.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Speech intelligibility, perceived intelligibility, device usability, user satisfaction and speech activation efficiency during use of the wearable electrolarynx compared to the handheld electrolarynxTimepoint: During and immediately after completion of speech tasks in a single study session | — |
Secondary
| Measure | Time frame |
|---|---|
| Outcome 1: Speech naturalness of electrolaryngeal speech Outcome 2: Overall voice quality in alaryngeal speech including impression, noise, fluency and voicing Outcome 3: Clinical voice quality profile including roughness, breathiness, asthenia and strain Outcome 4: Objective acoustic characteristics including fundamental frequency, signal to noise ratio, intensity and speech rateTimepoint: Immediately after completion of device use in the study session | — |
Countries
India
Contacts
Public ContactDr Madhushankara M
Manipal School of Information Sciences
Outcome results
None listed