Independent voice studio for live conversations and text to speech
Vietnamese speech to text for video and audio
Stage
Not given
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Founded
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Based in
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VN
Pricing model
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Freemium
Pricing
Starter: $19.9/month for 660 credits. Pro: $39.9/month for 2,000 credits. Max: $79.9/month for 4,100 credits. Annual billing also available. Live Talk costs one credit per six seconds (10 credits per minute). Text to Speech costs one credit per 160 trimmed Unicode characters, rounded up per request.
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Key features
Live voice conversations with multiple voice options
Text-to-speech with downloadable WAV files
Multiple conversation modes including casual chat, language tutoring, mock interviews, and storytelling
Live captions during conversations
Downloadable conversation transcripts
Support for multiple languages
Session length limits based on subscription plan
Credit balance management across both tools
Failed operation refunds and recovery
Transcribe Vietnamese and English audio and video
Download transcripts as TXT, SRT or VTT
Support MP3, M4A, WAV, MP4, MOV, MKV, WEBM formats
No account required for free minutes
Automatic file deletion for privacy
Bank transfer payment via VietQR
What makes it different
Independent service clearly distinguished from Block's official Dessa research model
Transparent provider identification with clear separation of research samples from tool outputs
Unified credit system shared between live chat and text-to-speech tools
No credit card required for free trial
Detailed documentation of pricing calculation and service limits