Voice Cloning

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Overview

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How Voice Cloning Works

1. Provide Audio Sample - Upload or record voice audio
2. Configure Voice Details - Name, tags, language, dialect
3. Processing - System analyzes and creates AI voice model
4. Preview & Test - Generate TTS preview to hear result
5. Use in Agents - Select custom voice like any library voice

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Creating a Custom Voice

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Step 1: Voice Details

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Basic Information

• Descriptive name for your voice
• Example: “Customer Service - Sarah”, “Sales - Professional Male”
• Max 100 characters
• Helps identify voice in library

• Additional context about the voice
• Use case or characteristics
• Not visible to end users

• English - For English-speaking markets
• Arabic - For Arabic-speaking markets

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Dialect Selection

• Egyptian (EG)
• Jordanian (JO)
• Saudi Arabian (SA)
• UAE (AE)
• Gulf
• Levantine
• North African

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Voice Tags (Required)

• Male - Masculine voice
• Female - Feminine voice

• Conversational - Natural, friendly tone for dialogues
• Narrator - Clear, articulate tone for announcements

• Help organize your custom voices
• Enable filtering in voice library
• Communicate voice characteristics to team
• Match voices to use cases

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Cover Image (Optional)

• Formats: JPG, JPEG, PNG
• Max Size: 5 MB
• Recommended: Professional headshot or brand logo
• Usage: Displays in voice cards

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Step 2: Input Audio

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Option A: Upload Audio File

• MP3
• WAV
• WebM
• OGG
• AAC
• M4A
• FLAC

• Max File Size: 32 MB
• Quality: Clear, noise-free audio
• Duration: Recommended 30-90 seconds
• Content: Natural speech, varied sentences

1. Click Upload tab
2. Drag and drop audio file or click to browse
3. Wait for upload (progress bar shown)
4. File validated automatically

• Use high-quality recording equipment
• Record in quiet environment
• Avoid background noise and echo
• Include varied speech patterns
• Speak naturally at normal pace
• Include different sentence types (questions, statements)

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Option B: Record Voice

• Duration: 3-9 seconds
• Format: WAV (automatic)
• Microphone: Required

1. Click Record tab
2. Grant microphone permission
3. Click Start Recording
4. Speak naturally for 3-9 seconds
5. Click Stop Recording
6. Review recording
7. Re-record if needed

• Use good quality microphone
• Minimize background noise
• Speak at natural pace
• Include varied inflection
• Say 2-3 complete sentences
• Don’t rush or speak too slowly

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Step 3: Generate TTS Preview

1. Enter sample text (minimum 5 words)
2. Click Generate Preview
3. System processes voice sample
4. Audio preview generates (10-30 seconds)
5. Click play to listen
6. Regenerate with different text if needed

"Hello, thank you for calling. How can I help you today?"

"Welcome to Acme Corporation. I'm here to assist with any questions you may have."

"Your order has been confirmed and will ship within two business days."

• Text must contain at least 5 words
• Word count displayed in real-time
• ”✓ Valid” indicator when requirements met

• Generating Preview… - Processing voice sample
• Preview Ready - Audio ready to play
• Preview Failed - Error occurred, try again

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Step 4: Create Voice

1. Click Create button
2. Voice processes (usually 30-60 seconds)
3. Success message appears
4. Voice added to “My Voices” library
5. Available immediately in agent voice selection

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Audio Quality Requirements

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Recording Environment

• Quiet room with minimal echo
• Sound-dampening materials (curtains, furniture)
• Closed windows and doors
• No HVAC or fan noise

• Outdoor recordings
• Rooms with hard surfaces (echo)
• Areas with background conversations
• Near computers or electronics (buzz/hum)

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Microphone Selection

• USB condenser microphone
• Headset with noise cancellation
• Dedicated podcasting microphone
• Laptop built-in mic (in quiet environment)

• Phone speakerphone
• Far-field microphones
• Low-quality earbuds
• Heavily compressed audio sources

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Audio Sample Content

• Questions (“How can I help you today?”)
• Statements (“Your order has shipped”)
• Different emotions (friendly, professional, reassuring)
• Various sentence lengths
• Natural pauses and inflection

• Monotone speech
• Reading lists or numbers only
• Repetitive phrases
• Shouting or whispering
• Background music or effects

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Managing Custom Voices

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Viewing Custom Voices

1. Navigate to Voices in sidebar
2. Click My Voices tab
3. All custom voices display here
4. Same features as library voices (preview, favorite, etc.)

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Using Custom Voices

1. Open agent settings
2. Navigate to Voice Settings
3. Click Select Voice
4. Go to “My Voices” tab
5. Select your custom voice

• Available in global voice settings
• Can be used in node-level voice overrides
• Appears in all voice selectors

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Deleting Custom Voices

• Remove voice from all agents using it
• Export/save audio sample if you want to recreate later
• Consider deactivating instead of deleting

1. Find voice in “My Voices” tab
2. Click voice actions menu (⋮)
3. Select Delete Voice
4. Confirm deletion
5. Voice removed from library

• Agents using deleted voice will show error
• Must select new voice for affected agents
• Previous calls with that voice remain in history

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Voice Cloning Best Practices

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Sample Selection

• Friendly, helpful tone
• Clear enunciation
• Moderate pace
• Warm inflection

• Confident, enthusiastic
• Engaging energy
• Natural variation
• Professional but personable

• Clear, methodical pace
• Patient tone
• Reassuring demeanor
• Precise pronunciation

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Multi-Voice Strategy

Voice 1: "Customer Service - Friendly Female"
- Tag: Female, Conversational
- Use: General inquiries, warm greeting

Voice 2: "Customer Service - Professional Male"
- Tag: Male, Narrator
- Use: Account information, formal communications

Voice 3: "Customer Service - Calm Female"
- Tag: Female, Conversational
- Use: Complaint handling, de-escalation

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Language and Dialect Matching

• Egyptian: Broad Middle East appeal
• Gulf (Saudi, UAE): GCC business markets
• Levantine: Jordan, Syria, Lebanon regions
• Use dialect matching target customer base

• Clear, neutral accent for international
• Regional accents for local businesses
• Professional pronunciation for all markets

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Testing Custom Voices

1. Preview Testing - Generate multiple TTS previews with different scripts
2. Agent Testing - Use in test agent with actual conversation flow
3. Team Review - Have colleagues listen and provide feedback
4. A/B Testing - Compare with library voices
5. Live Testing - Deploy to small percentage of calls first

• Pronunciation is clear and natural
• Pace is appropriate for use case
• Tone matches brand personality
• No robotic or artificial sound
• Handles varied sentence types well
• Emotional range is appropriate
• Consistent quality across different texts

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Common Issues

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”Recording too short” error

• Record longer sample (5-7 seconds recommended)
• Speak 2-3 complete sentences
• Don’t rush through the recording

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”Audio file too large” error

• Compress audio file
• Use MP3 format with lower bitrate
• Trim unnecessary silence
• Use online audio compression tool

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”Preview generation failed”

• Audio quality too low
• Audio sample too short/long
• Server processing issue

• Try uploading different audio sample
• Ensure clean, clear recording
• Check file format is supported
• Try again (temporary issue)

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Voice sounds robotic or unnatural

• Low-quality audio sample
• Background noise in recording
• Insufficient audio variation
• Overly monotone source

• Re-record in quieter environment
• Use better microphone
• Include more natural speech variation
• Speak with natural inflection

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Can’t find custom voice in agent

• Check “My Voices” tab specifically
• Refresh browser page
• Verify voice creation completed successfully
• Check project selection is correct

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Voice Cloning Limits

• Unlimited custom voices
• 32 MB max file size per upload
• 3-9 seconds for direct recording

• Voice creation: 30-60 seconds
• TTS preview generation: 10-30 seconds

• Custom voices stored permanently
• Cover images: 5 MB max each

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Advanced Features

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Instant Voice (Beta)

• Removes background noise from samples
• Enhances voice clarity
• Improves consistency
• Better quality with less-than-perfect recordings

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Voice Versioning

1. Create new voice with same base audio
2. Use different tags or names to distinguish
3. Test new version before switching agents
4. Keep old version as backup

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Related Documentation