Eleven Monolingual v1
Eleven Monolingual v1 is an English only text to speech model from ElevenLabs. It focuses on simple natural delivery and stable output. Ideal for lightweight applications, legacy integrations, or projects that need predictable English voice synthesis with low complexity.
Complete technical specification for integration
Ready-to-use code snippets for common workflows
Crackling Deep-Space Distress Log
Command, this is survey vessel Arden Nine. If this reaches anyone, our navigation array failed after the second flare. We are drifting beyond the mapped corridor with power restricted to life support, telemetry, and one narrow-band transmitter. The crew is conscious. Oxygen reserves are limited, but morale is holding. We have marked our current vector against the red giant in the Perseus reach and released three signal beacons at seven-minute intervals. Please advise any rescue traffic to avoid the debris field to our stern. Repeating final coordinates now. Arden Nine standing by.
{
"taskType": "audioInference",
"taskUUID": "6ef33047-6d9c-4510-8cee-bd1f208d7486",
"model": "elevenlabs:20@1",
"seed": 46384,
"speech": {
"text": "Command, this is survey vessel Arden Nine. If this reaches anyone, our navigation array failed after the second flare. We are drifting beyond the mapped corridor with power restricted to life support, telemetry, and one narrow-band transmitter. The crew is conscious. Oxygen reserves are limited, but morale is holding. We have marked our current vector against the red giant in the Perseus reach and released three signal beacons at seven-minute intervals. Please advise any rescue traffic to avoid the debris field to our stern. Repeating final coordinates now. Arden Nine standing by.",
"language": "en"
},
"providerSettings": {
"elevenlabs": {
"textToSpeech": {
"voiceSettings": {
"stability": 0.78,
"similarityBoost": 0.72,
"style": 0.22,
"useSpeakerBoost": true
},
"applyTextNormalization": "auto",
"previousText": "Emergency channel open. Priority traffic only.",
"nextText": "End of transmission. Awaiting response."
}
}
}
}{
"taskType": "audioInference",
"taskUUID": "6ef33047-6d9c-4510-8cee-bd1f208d7486",
"audioUUID": "055acc7f-dcb5-43bb-afdd-407f2acac9fb",
"audioURL": "https://am.runware.ai/audio/os/a23d05/ws/5/ai/055acc7f-dcb5-43bb-afdd-407f2acac9fb.mp3",
"seed": 46384,
"cost": 0.09136
}Antique Phonograph Museum Guide
Welcome to Gallery Three, home of the singing machines. In front of you is an early phonograph with a polished brass horn and a hand-cranked motor. Visitors often expect a rich modern sound, but these devices produced a narrow, scratchy signal that listeners of the time still found astonishing. Imagine hearing a human voice replay itself from a wax cylinder for the very first time. To your left is a later home model, built to make recorded music part of ordinary evenings. Notice how the cabinet becomes more refined, hiding the mechanism inside furniture so the machine feels less industrial and more domestic. Before you move on, look closely at the tiny grooves in the recording medium. Those delicate lines carried speeches, comic routines, and parlor songs across years of handling and travel. When you are ready, continue to the next room for the early era of broadcast receivers.
{
"taskType": "audioInference",
"taskUUID": "baec74ad-0310-4120-a3ca-3d8abc10c3c6",
"model": "elevenlabs:20@1",
"seed": 99331,
"speech": {
"text": "Welcome to Gallery Three, home of the singing machines. In front of you is an early phonograph with a polished brass horn and a hand-cranked motor. Visitors often expect a rich modern sound, but these devices produced a narrow, scratchy signal that listeners of the time still found astonishing. Imagine hearing a human voice replay itself from a wax cylinder for the very first time. To your left is a later home model, built to make recorded music part of ordinary evenings. Notice how the cabinet becomes more refined, hiding the mechanism inside furniture so the machine feels less industrial and more domestic. Before you move on, look closely at the tiny grooves in the recording medium. Those delicate lines carried speeches, comic routines, and parlor songs across years of handling and travel. When you are ready, continue to the next room for the early era of broadcast receivers.",
"language": "en"
},
"providerSettings": {
"elevenlabs": {
"textToSpeech": {
"voiceSettings": {
"stability": 0.82,
"similarityBoost": 0.72,
"style": 0.18,
"useSpeakerBoost": true
},
"applyTextNormalization": "auto",
"previousText": "This wing explores inventions that changed how people listened at home.",
"nextText": "The next section examines how radio transformed news, entertainment, and public life."
}
}
}
}{
"taskType": "audioInference",
"taskUUID": "baec74ad-0310-4120-a3ca-3d8abc10c3c6",
"audioUUID": "b26b0669-87c0-4ff9-b1ac-653c8011ffc3",
"audioURL": "https://am.runware.ai/audio/os/a04d20/ws/5/ai/b26b0669-87c0-4ff9-b1ac-653c8011ffc3.mp3",
"seed": 99331,
"cost": 0.13675
}Subterranean Transit Safety Announcement
Attention passengers. This is a service update for Platform C. The 7:15 inbound train to Ashgrove has been delayed by approximately 12 minutes due to signal checks near Harbor Junction. For the fastest alternate route, board the 7:18 shuttle service from Bay 4 and transfer at Central Exchange. Please stand behind the yellow line, keep aisles clear, and allow exiting passengers to step off before boarding. If you require accessibility assistance, press the blue help point or speak with a station attendant. We appreciate your patience and cooperation.
{
"taskType": "audioInference",
"taskUUID": "bd9e333e-4f11-4e9c-8b44-cd6ed76e36dc",
"model": "elevenlabs:20@1",
"seed": 64131,
"speech": {
"text": "Attention passengers. This is a service update for Platform C. The 7:15 inbound train to Ashgrove has been delayed by approximately 12 minutes due to signal checks near Harbor Junction. For the fastest alternate route, board the 7:18 shuttle service from Bay 4 and transfer at Central Exchange. Please stand behind the yellow line, keep aisles clear, and allow exiting passengers to step off before boarding. If you require accessibility assistance, press the blue help point or speak with a station attendant. We appreciate your patience and cooperation.",
"language": "en"
},
"providerSettings": {
"elevenlabs": {
"textToSpeech": {
"voiceSettings": {
"stability": 0.82,
"similarityBoost": 0.72,
"style": 0.18,
"useSpeakerBoost": true
},
"applyTextNormalization": "on"
}
}
}
}{
"taskType": "audioInference",
"taskUUID": "bd9e333e-4f11-4e9c-8b44-cd6ed76e36dc",
"audioUUID": "a04c8311-2c32-4b32-b47b-60410014140f",
"audioURL": "https://am.runware.ai/audio/os/a17d13/ws/5/ai/a04c8311-2c32-4b32-b47b-60410014140f.mp3",
"seed": 64131,
"cost": 0.08451
}Harbor Evacuation Ferry Bulletin
Attention passengers at Pier Seven. Due to a chemical spill on the east access road, all private vehicle pickup has been suspended until further notice. Please remain inside the marked waiting zone and listen carefully for your boarding group. Families traveling with children, passengers using mobility aids, and anyone holding a blue priority ticket will board first for the 6:40 departure to North Haven. Group B will follow immediately after. Do not approach the loading ramp until your group is called. For your safety, leave all bicycles, carts, and oversized luggage against the orange barrier for crew inspection. If you feel dizzy, short of breath, or need medication from a stored bag, notify a dock attendant right away. Again, this is a controlled evacuation transfer to North Haven. Stay calm, keep the center aisle open, and await further instructions.
{
"taskType": "audioInference",
"taskUUID": "04002268-d5f5-4e88-8b41-a12bac953653",
"model": "elevenlabs:20@1",
"seed": 75211,
"speech": {
"text": "Attention passengers at Pier Seven. Due to a chemical spill on the east access road, all private vehicle pickup has been suspended until further notice. Please remain inside the marked waiting zone and listen carefully for your boarding group. Families traveling with children, passengers using mobility aids, and anyone holding a blue priority ticket will board first for the 6:40 departure to North Haven. Group B will follow immediately after. Do not approach the loading ramp until your group is called. For your safety, leave all bicycles, carts, and oversized luggage against the orange barrier for crew inspection. If you feel dizzy, short of breath, or need medication from a stored bag, notify a dock attendant right away. Again, this is a controlled evacuation transfer to North Haven. Stay calm, keep the center aisle open, and await further instructions.",
"language": "en"
},
"providerSettings": {
"elevenlabs": {
"textToSpeech": {
"voiceSettings": {
"stability": 0.82,
"similarityBoost": 0.72,
"style": 0.18,
"useSpeakerBoost": true
},
"applyTextNormalization": "on"
}
}
}
}{
"taskType": "audioInference",
"taskUUID": "04002268-d5f5-4e88-8b41-a12bac953653",
"audioUUID": "689f9690-2d0b-4af6-98e2-a7672c88db5a",
"audioURL": "https://am.runware.ai/audio/os/a10d08/ws/5/ai/689f9690-2d0b-4af6-98e2-a7672c88db5a.mp3",
"seed": 75211,
"cost": 0.13153
}