TTS Input Text
130/10000
Voice Selection
TTS Generated Audios

Your generated audio will appear here

Enter some text on the left and click Generate to get started.
Voice Cloning Input
Voice Clone Generated Audios

Your cloned voice will appear here

Fill in the form on the left and click Clone & Generate.
Voice Design Input

Longer, detailed descriptions give better voices: age, gender, accent, pace, mood and use. Example: “a warm British woman in her 30s, slow and friendly, for audiobooks”.

Voice Design Generated Audios

Your designed voice will appear here

Describe a voice on the left and click Design & Generate.
Voice Changer Input
Voice Changer Generated Audios

Your converted audio will appear here

Fill in the form on the left and click Change Voice.
AI Dubbing Input
More options
AI Dubbing Generated Results

Your dubbed video will appear here

Choose a video on the left and click Generate Dub. The new voice replaces the original sound.
Speech to Text Input
Speech to Text Generated Results

Your transcript will appear here

Fill in the form on the left and click Transcribe.
Music Generator Input

Longer prompts give better music: genre, mood, instruments, tempo and where it will be used. Example: “calm lo-fi hip hop, soft piano, light rain, 80 bpm, for studying”.

More options
Music Generated Audios

Your music will appear here

Describe a track on the left and click Generate Music.
SFX Generator Input

Detailed prompts give better sounds: one clear sound, what makes it, the place and the distance. Example: “single wooden door knock, close up, small dry room”.

SFX Generated Audios

Your sound effect will appear here

Describe an effect on the left and click Generate SFX.
Song Generator Input

Describe the vocal, genre, instruments, tempo and mood for the best song. Example: “soft female vocal, acoustic pop, guitar and piano, 90 bpm, warm and hopeful”.

More options
Song Generated Audios

Your song will appear here

Fill in the form on the left and click Generate Song.
Lyrics Generator Input

Longer topics give better lyrics: names, places, a small story and the mood. Example: “my mom's 60th birthday, her garden, the songs she sang to us, grateful and happy”.

Lyrics Generated Results

Your lyrics will appear here

Give a topic on the left and click Generate Lyrics.
Vocal Isolator Input
Vocal Isolator Generated Audios

Your isolated vocals will appear here

Paste a track on the left and click Isolate Vocals.
Voice Cover Input

Upload a song with a clear lead vocal. It re-sings the lyrics in the new voice you pick, in the same style.

Voice Cover Generated Audios

Your voice cover will appear here

Fill in the form on the left and click Generate Cover.

AI Voiceover for Training Videos

Narrate onboarding, compliance, safety and how-to training videos with a clear, consistent AI voice. Update a policy line by editing text, not by rebooking a voice actor. With commercial use included.

Speechma Pro

Every AI voice tool, 50 million characters a month

No ads and no security codes. $4.89 $4.40 a month, cancel any time. See what you get

In short: A training video voiceover narrates employee onboarding, compliance, safety or software training. On Speechma Pro, you paste each module’s script in parts of up to 10,000 characters, choose a clear AI voice, download the MP3s and add them to your slides or screen recordings. When policies change, regenerate only the changed lines. With commercial use included.

Why use AI voiceover for employee training videos?

Training content changes often: a new HR policy, an updated safety procedure, a software release. With an AI voiceover, the narration lives as text, so updating a module means editing a sentence and regenerating a clip in the same voice. There is no need to find the original narrator or re-record a whole course.

It also gives every module the same professional sound, whether it was written by HR, IT or a shift supervisor. And because Speechma Pro offers 75+ languages and locales, an US company can provide the same onboarding in English and Spanish, or for teams in other countries.

How do I narrate a training module with AI?

  1. Storyboard the moduleList each slide or screen with one learning point. Write the narration for that slide underneath it.
  2. Split the script into clipsOne clip per slide works best. Each conversion takes up to 10,000 characters, and short clips make future updates easy.
  3. Choose a clear voice and lock settingsPick a calm, neutral voice, save it as a favorite, and keep speed and pitch identical across the whole course.
  4. Generate and download allGenerate each clip, then use “download all” to get them as one ZIP with a consistent order.
  5. Build and publishAdd the audio to PowerPoint, Google Slides, Articulate Storyline, Rise, Camtasia or your editor, export as video or SCORM, and upload to your LMS.

Training script templates

Onboarding welcome (30 seconds)

Welcome to [Northline Logistics]. We’re glad you’re on the team. Over the next twenty minutes, you’ll learn how we work, who to ask for help, and what to expect in your first week. Let’s start with the most important thing: safety.

Safety procedure

Before you operate the forklift, complete the pre-shift inspection. Check the tires, the forks and the horn. Test the brakes. If anything looks wrong, stop; tag the forklift out of service, and tell your supervisor right away. Never operate equipment you haven’t been trained and certified to use.

Software how-to

To request time off, open the [PeopleHub] app and tap Time Off. Choose your dates, select the type of leave, and add a short note for your manager. Tap Submit. You’ll get an email as soon as it’s approved.

Knowledge check

Quick question before we move on. If you notice a spill in an aisle, what’s the first thing you should do? Pause the video, choose your answer, then continue.

Which voice works for each type of training?

Training typeVoice styleSettings and tips
Onboarding and cultureWarm, welcoming American voiceNormal speed; use “we” and “you”
Safety and complianceCalm, authoritative voiceSlightly slow; pause after each rule
Software and ITClear, neutral voiceNormal; match the cursor
Customer service skillsFriendly, conversational voiceNormal; use example dialogues with two voices
Leadership and soft skillsMature, thoughtful voiceSlightly slow
Multilingual workforceNative voices in English, Spanish and moreSame visuals, separate audio per language

Dos and don’ts for training narration

  • Do keep modules short: one topic and five to ten minutes keeps attention.
  • Do write acronyms as they should be spoken (“O-S-H-A” or “OSHA,” depending on how your team says it).
  • Do add captions for accessibility. Use Speech to Text with sentence timestamps for a caption draft.
  • Do have an expert review every safety or compliance script. The voice will read errors just as confidently as facts.
  • Don’t clone an executive’s voice without written permission. A library voice is simpler and avoids confusion.
  • Don’t read slides word for word. Narration should explain; the slide should summarize.

For L&D teams and training platforms

LMS and training software providers can add narration to every lesson through the Speechma API, from $9/month.

Frequently asked questions

Is the training video voiceover included in Speechma Pro?

Yes. Speechma Pro is included in your plan. Each conversion takes up to 10,000 characters, so you split longer modules into clips.

Can companies use the AI voice for internal training?

Yes. Commercial use of the generated audio is included, for internal training, customer training and paid courses.

How do I add the voiceover to PowerPoint?

Download the MP3, then in PowerPoint choose Insert, Audio, Audio on My PC, and set it to play automatically. See our guide on adding voiceover to PowerPoint.

Can I create training in Spanish for my team?

Yes. Write the script in Spanish and choose an US or Mexican Spanish voice, or dub finished videos with AI Dubbing.

Does it work with Articulate or other authoring tools?

Yes. Any authoring tool that accepts MP3 audio works, including Articulate Storyline, Rise, Camtasia and most LMS video players.

How do I update one part of a training video?

Edit the changed sentence, regenerate it with the same voice and settings, and replace that clip in your project. The rest of the module stays the same.
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