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- IBM Watson Text to Speech
On the recordRead 12 Oct 202622 facts
IBM Watson Text to Speech
IBM Watson Text to Speech · founded 1911
Plans and prices
Lite
Free
10,000 characters per month
Read 12 Oct 2026 · ibm.com
Standard
Priced on request
Unlimited characters · high-value features · guaranteed uptime
Read 12 Oct 2026 · ibm.com
Deploy Anywhere
Priced on request
Unlimited characters per month · 35 neural voices · 16 supported languages and dialects · deploy behind your firewall or on any cloud with IBM Cloud Pak for Data
Read 12 Oct 2026 · ibm.com
Premium
Priced on request
More capacity and data protection · custom-branded neural voice · 99.9% high availability and service level uptime guarantee
Read 12 Oct 2026 · ibm.com
On the record
- API access
- Yesibm.com · read 20 Sep 2026
- Company
- IBM was founded in 1911 as the Computing-Tabulating-Recording Company and renamed IBM in 1924.ibm.com · read 12 Oct 2026
- Custom voice
- The Premium feature can create a branded neural voice modeled on a chosen speaker using as little as one hour of recordings.ibm.com · read 12 Oct 2026
- Data separation
- IBM describes Standard plans as multi-tenant with logical data separation and Premium plans as single-tenant with physical separation and unique encryption keys.cloud.ibm.com · read 12 Oct 2026
- Deployment
- IBM says the service can be deployed on public, private, hybrid, multicloud, or on-premises infrastructure.ibm.com · read 12 Oct 2026
- Encryption
- IBM Cloud Text to Speech uses TLS 1.2 for data in transit and AES-256 with SHA-256 for data at rest.cloud.ibm.com · read 12 Oct 2026
- Export formats
- A-law,Basic audio,FLAC,Linear 16-bit PCM,MP3,Mu-law,Ogg,WebM,WAVibm.com · read 20 Sep 2026
- Expressiveness
- Speaking styles include GoodNews, Apology, and Uncertainty, and voice transformation can adjust strength, pitch, breathiness, rate, and timbre.ibm.com · read 12 Oct 2026
- Integration
- Text to Speech can turn incoming text from watsonx Assistant into voice responses for users over the phone.ibm.com · read 12 Oct 2026
- Languages
- 9ibm.com · read 20 Sep 2026
- Maximum input
- 5000ibm.com · read 20 Sep 2026
- Neural voices
- Deep neural networks trained on human speech produce smooth, natural-sounding voice quality.ibm.com · read 12 Oct 2026
- Privacy and compliance
- IBM documents GDPR support and says HIPAA readiness is available for Premium plans in its Washington, DC and Dallas regions.cloud.ibm.com · read 12 Oct 2026
- Pronunciation
- Unusual word pronunciations can be specified with IPA or IBM SPR.ibm.com · read 12 Oct 2026
- Purpose
- IBM Text to Speech is an API cloud service that converts written text into natural-sounding audio in multiple languages and voices for applications or watsonx Assistant.ibm.com · read 12 Oct 2026
- SDKs
- IBM provides links to Watson SDKs in its GitHub repository.ibm.com · read 12 Oct 2026
- Speech controls
- Speech Synthesis Markup Language can adjust pronunciation, volume, pitch, speed, and other attributes.ibm.com · read 12 Oct 2026
- Use cases
- IBM lists customer self-service, call analytics, and agent assist as use cases.ibm.com · read 12 Oct 2026