[
    {
        "role": "user",
        "content": "what%20are%20the%20latest%20speaking%20devices%20for%20people%20who%20have%20a%20throat%20that%20doesn%27t%20work"
    },
    {
        "role": "assistant",
        "content": "If someone has a throat that doesn\u2019t work (for example, after a laryngectomy, due to paralysis, injury, or disease), there are several modern options\u2014both medical and technological\u2014that can help them speak again. These include surgical implants, electromechanical devices, and speech-generation apps. What\u2019s right depends on how much throat/lung function remains, what other physical or cognitive limitations exist, and what the person feels comfortable using. Here\u2019s an overview of the latest available approaches:\n\n---\n\n## Medical / Surgical Voice Restoration Techniques\n\n1. **Tracheoesophageal Voice Prosthesis (TEP or TEV)**  \n   - A small valve is placed between the trachea and the esophagus so lung air can be redirected to produce sound in the throat and mouth. This generally gives speech that sounds more natural and fluent than most external devices. ([ncbi.nlm.nih.gov](https://www.ncbi.nlm.nih.gov/books/NBK616210/?utm_source=openai))  \n   - Device lifespan, comfort, and speech quality are essential considerations; you\u2019ll work closely with an ENT specialist and speech pathologist. ([ncbi.nlm.nih.gov](https://www.ncbi.nlm.nih.gov/books/NBK616210/?utm_source=openai))\n\n2. **Esophageal Speech (EV)**  \n   - This uses air swallowed or injected into the esophagus, then released to vibrate as it exits, creating basic voicing without devices. No external hardware is needed, but it\u2019s harder to learn and often quieter. ([ncbi.nlm.nih.gov](https://www.ncbi.nlm.nih.gov/books/NBK616210/?utm_source=openai))\n\n3. **Electrolarynx**  \n   - A handheld or intraoral device that vibrates, usually placed against the neck or cheek; pressing a button produces a tone or buzz that lets mouth movements shape words. Some newer models allow pitch and volume control for more natural sound. ([asha.org](https://www.asha.org/practice-portal/clinical-topics/head-and-neck-cancer/communication-after-total-laryngectomy/?utm_source=openai))\n\n4. **Pneumatic Artificial Larynx (PAL)**  \n   - Less common in the U.S., more used in parts of Asia (Taiwan, etc.). It connects lung-powered airflow through a tube to produce vibration. Less technology-dependent but requires a tracheostomy or stoma and decent breathing strength. ([iowaprotocols.medicine.uiowa.edu](https://iowaprotocols.medicine.uiowa.edu/protocols/voice-after-total-laryngectomy-pneumatic-artificial-larynx-pal-pneumatic-laryngeal-device?utm_source=openai))\n\n---\n\n## Technological Solutions & AAC (Augmentative and Alternative Communication)\n\nFor people with little or no ability to use their natural voice\u2014even with surgical options\u2014these tools help generate speech using other input methods.\n\n1. **Dedicated Speech-Generating Devices (SGDs)**  \n   - Devices made specifically for communication, like Tobii Dynavox\u2019s **I-Series** or **TD Navio**, which use touchscreen or other access methods (eye gaze, switches) and include special AAC software. ([speechpathology.org](https://www.speechpathology.org/articles/articles-aac-devices/?utm_source=openai))  \n   - High-end SGDs may cost thousands, sometimes qualifying for funding/insurance. ([speechpathology.org](https://www.speechpathology.org/articles/articles-aac-devices/?utm_source=openai))\n\n2. **AAC Apps for Tablets & Smartphones**  \n   - Apps like **Proloquo2Go**, **TouchChat**, **TD Snap**, or Lingraphica devices allow typing or selecting symbols, which the app then converts to speech. Choices of voices, symbol sets, and layouts are customizable. ([us.tobiidynavox.com](https://us.tobiidynavox.com/pages/aac-for-conditions-aphasia?tab=4&utm_source=openai))  \n   - These are less expensive, more portable, but may be slower depending on user\u2019s motor/cognitive capacity. ([speechpathology.org](https://www.speechpathology.org/articles/articles-aac-devices/?utm_source=openai))\n\n3. **Voice & Sound Synthesis / Voice Banking**  \n   - For progressive diseases (ALS, head and neck cancers), voice banking lets someone record their natural voice early so a synthetic version can be used through later devices. Services like **Acapela my-own-voice**, **ModelTalker**, and others are available. ([speechpathology.org](https://www.speechpathology.org/articles/articles-aac-devices/?utm_source=openai))\n\n4. **Text-to-Speech & Silent Speech Recognition**  \n   - Some apps let you type or use pictorial grids to generate speech.  \n   - Research is underway into \u201csilent speech\u201d systems\u2014using facial sensors, muscle signals (EMG), or intraoral sensors\u2014to detect movement and convert it to speech or text even when no vocal sound is possible. For example, a study with a mobile app called **SRAVI** showed moderate accuracy (\u224867%) in returning accurate phrases first try for patients immediately after total laryngectomy. ([aao-hnsfjournals.onlinelibrary.wiley.com](https://aao-hnsfjournals.onlinelibrary.wiley.com/doi/abs/10.1002/ohn.70098?utm_source=openai))\n\n---\n\n## Choosing What's Best: What to Consider\n\n- **Remaining anatomy & breathing ability**  \n  If lungs and trachea/stoma are usable, options like TEP voice prosthesis or PAL may work. Without that, tools that require external input (typing, sensors) may be the path.\n\n- **Motor skills & cognition**  \n  Devices needing fine motor control or visual skills (touchscreen, eye-gaze) may not work well if someone has paralysis or visual impairment.\n\n- **Need for natural-sounding voice vs. ease and speed**  \n  TEP + electrolarynx can sound more natural; SGDs and apps might be slower but offer robust, flexible communication.\n\n- **Access to training & therapy**  \n  Many methods\u2014especially learning voice prostheses, esophageal speech, or new silent techniques\u2014require dedicated speech therapy. Outcomes often depend heavily on follow-up training.\n\n- **Cost & insurance coverage**  \n  Medical devices (like voice prostheses) may be covered; apps or external SGDs may or may not. It\u2019s important to check what\u2019s covered by insurance, Medicare, or charitable programs. ([speechpathology.org](https://www.speechpathology.org/articles/articles-aac-devices/?utm_source=openai))\n\n---\n\nIf you tell me more\u2014such as whether breathing through the lungs still works, age, motor ability (hands, vision, ability to tap or select items), budget constraints, or whether you want something surgical vs. device-based\u2014I can recommend specific models that might be a good fit. Do you want me to pull together options matching your particular situation?"
    },
    {
        "role": "user",
        "content": "what%20do%20they%20sound%20like"
    },
    {
        "role": "assistant",
        "content": "Here's a breakdown of how the main kinds of speaking devices / methods *sound*, their strengths, limitations, and what people typically hear. If you want, I can also find you some audio samples so you can hear the differences directly.\n\n---\n\n## What do the different methods *sound* like?\n\n| Method | What it tends to sound like | Strengths | What makes it harder to understand / less natural |\n|---|---|---|---|\n| **Electrolarynx (EL)** | A steady vibration, buzz, or monotone background sound runs continuously while speaking. Words articulated with lips/tongue move over this buzz, giving a clear, robotic, or mechanical voice effect. ([electrolarynx.com](https://www.electrolarynx.com/faq10.html?utm_source=openai)) | Very usable almost immediately; minimal surgery or training needed; quite loud and clear in quiet settings. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Electrolarynx?utm_source=openai)) | Monotone pitch, no natural intonation; certain consonants (like P, T, D, K) and voiceless sounds are harder to hear. The sound is clearly artificial. ([worcsacute.nhs.uk](https://www.worcsacute.nhs.uk/patient-information-and-leaflets/documents/patient-information-leaflets-a-z/3092-electrolarynx-training-programme/?utm_source=openai)) |\n| **Tracheoesophageal Speech (TEP)** (using a prosthesis) | Closer to a \u201cnormal\u201d voice. You\u2019ll hear more natural pitch changes, voiced / unvoiced consonants, and speech that sounds more like what the person used to have. ([mskcc.org](https://www.mskcc.org/sites/default/files/node/26800/document/015-laryngectomy-2015-4.pdf?utm_source=openai)) | Better naturalness and intelligibility; uses lung power which helps with volume and nasal resonances. ([jamanetwork.com](https://jamanetwork.com/HttpHandlers/ArticlePdfHandler.ashx?articleId=611804&journal=otol&pdfFileName=archotol_110_10_009.pdf&utm_source=openai)) | Learning curve; must cover the stoma some times or use valves; speech may still sound slightly \u201cdifferent\u201d (a bit breathy or coarse depending on tissue vibration and vibration stability). |\n| **Esophageal Speech** | Softer, more strained, more \u201cburbly\u201d voice. You\u2019ll hear air being burped or pushed up from the esophagus. It has lower volume, and pitch variation is more limited. ([mskcc.org](https://www.mskcc.org/sites/default/files/node/26800/document/015-laryngectomy-2015-4.pdf?utm_source=openai)) | Once mastered, it's fully hands-free; doesn\u2019t need external equipment. Can sound surprisingly natural in tone under quiet conditions. ([mskcc.org](https://www.mskcc.org/sites/default/files/node/26800/document/015-laryngectomy-2015-4.pdf?utm_source=openai)) | Quiet; takes a long time to learn (3\u20136 months or more). Tongue, lips, and mouth must work very accurately to compensate. Some people never reach high clarity. |\n\n---\n\n## How those sound differences impact understanding & everyday use\n\n- Electrolarynx speech is often clearly heard\u2014even in noisy settings\u2014but people are very aware they\u2019re hearing a \u201cdevice voice.\u201d It\u2019s functional but not expressive. Pitch and tone changes (which naturally express question vs statement, emotion, etc.) are limited.  \n  ([en.wikipedia.org](https://en.wikipedia.org/wiki/Electrolarynx?utm_source=openai))\n\n- Tracheoesophageal speech allows much more of that expressiveness back. For many users, it\u2019s the best balance: speech is louder and more natural-sounding, with enough control to convey questions, emotions, and regular voice inflections.  \n  ([jamanetwork.com](https://jamanetwork.com/HttpHandlers/ArticlePdfHandler.ashx?articleId=611804&journal=otol&pdfFileName=archotol_110_10_009.pdf&utm_source=openai))\n\n- Esophageal speech tends to be more intimate but harder to follow in noisy places or over distance. Listeners often need to pay more attention. That said, when done well, it can be quite good.  \n  ([mskcc.org](https://www.mskcc.org/sites/default/files/node/26800/document/015-laryngectomy-2015-4.pdf?utm_source=openai))\n\n---\n\n## What \u201csound samples\u201d tell us\n\n- There are tools out there (like **NKI TE-VOICE Analysis**) that let people hear *tracheoesophageal speech* across different levels of voice quality\u2014from very clean and harmonic, to types that are unstable or noisy. The quality directly affects listener effort and how \u201cnormal\u201d the speech feels. ([fon.hum.uva.nl](https://www.fon.hum.uva.nl/rob/NKI_TEVA/TEVA/HTML/NKI_TEVA.htm?utm_source=openai))\n\n- Case studies using **Respeecher** and similar voice-cloning or AI-enhanced tools show comparisons of \u201cbefore\u201d vs \u201cafter\u201d for people using electrolarynx or TEP, where the \u201cafter\u201d versions sound more natural and less mechanical. ([respeecher.com](https://www.respeecher.com/case-studies/respeecher-helps-patients-speech-disabilities-recover-voice?utm_source=openai))\n\n---\n\nIf you like, I can send you links to audio or video examples so you can *hear* the difference between these methods\u2014that often gives the best sense of what they sound like."
    }
]