Aculab Cloud vs Clearspeed Voice Risk Assessment

Aculab Cloud provides APIs for building applications that handle voice and video calls, messaging, and inbound or outbound fax. It supports calls to telephone numbers and SIP addresses, and its WebRTC interface can place live calling in a web page. Listed capabilities include live speaker detection, speech recognition, translation, text-to-speech, voice biometrics, SMS, and MMS. The REST API works with Python, C#, VB, Java, PHP, or other scripting languages; REST applications run on a web server you host. The UAS API supports Python, C#, VB, F#, and C++, with applications running in a User Application Server installed on your platform. Speech recognition uses Google Speech-to-Text, while text-to-speech supports Amazon Polly and Cepstral engines. Aculab Cloud runs on AWS; web services use HTTPS, UAS connections use SSL by default, and customers can encrypt media files with keys supplied at runtime. Accounts are assigned to Europe, USA-East, or USA-West (beta). The free Trial includes $10 in credit for one month. Production is pay-as-you-go, with rates shown in the Cloud Console; Premium usage is invoiced and requires contacting Aculab.

Clearspeed Voice Risk Assessment analyzes vocal characteristics during short automated yes-or-no questionnaires and returns an indicator of potential risk. The system evaluates the voice signal while a person responds, rather than judging the answer itself. Assessments can be completed by phone or web, and the company describes operation across web, call center, and chat channels in more than 60 languages. Results are returned in seconds through the Clearspeed application or directly to customer systems. Enhanced synthetic-audio analysis runs in every questionnaire and, according to Clearspeed, detects synthetic voice and known deepfakes within 300 milliseconds. The Integration API manages questionnaire participants and sends results through webhooks. Clearspeed says no personally identifiable information, personal identifiers, historical data, or external data are required to generate an indicator. The cloud service uses AWS-backed environments, TLS 1.3 encryption, role-based access workflows, and stated GDPR, California, ISO 27001, SOC 2, and NIST 800-171 alignment. Pricing is available on request.