About the Heart voice
Heart is the default female American English voice in the Konthora text-to-speech workspace. It reads standard US English at a default speed of 1.0× and is marked as recommended in the voice picker, making it the starting point for most English narration with optional playback between 0.75× and 1.25×.
To use Heart, open the English text-to-speech workspace, select English as the language, pick Heart from the voice picker, and generate your audio as MP3 or WAV.
Heart voice specifications
| Voice name | Heart |
|---|---|
| Voice ID | af_heart |
| Language | English |
| Accent | American English |
| Gender | Female |
| Recommendation status | Recommended (default pick in the voice picker) |
| Default speed | 1× |
| Speed range | 0.75× – 1.25× |
| Output formats | MP3, WAV |
Good uses for Heart
- Narrating English explainer videos, product demos, and short-form social clips.
- Reading presentation slides, e-learning lessons, and course scripts aloud.
- Checking the pacing and pronunciation of written English copy before producing.
Playback speed
Heart reads at a default speed of 1×. You can slow it down to 0.75× for clearer pacing or speed it up to 1.25× for a faster read, without changing the pitch.
Other voices to compare
Adam
Male · American English
Adam is a male English AI voice with an American English accent. Preview it, create English speech, and download MP3 or WAV audio in Konthora.
View voiceNicole
Female · American English
Nicole is a female English AI voice with an American English accent. Preview it, create English speech, and download MP3 or WAV audio in Konthora.
View voiceEmma
Female · British English
Emma is a female English AI voice with a British English accent. Preview it, create English speech, and download MP3 or WAV audio in Konthora.
View voiceReady to try Heart?
Open the workspace with Heart pre-selected, type your script, and download the audio as MP3 or WAV.
Konthora supports six languages in the workspace — or explore all voices in Konthora.