Using Slide to Video Studio (PowerPoint to Video)

Progress appears on the left and the current task in the main area. Use the previous/next buttons or stage navigation to review the workflow.

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   Check Follow the five stages and check their names and states.

1 Upload PPTX

Starts with the source slides, language and target duration.

2 Choose a template

Chooses how slides and presenters appear.

3 Presenter

Sets presenters/voices for the chosen composition.

4 Slides and script

Reviews dialogue, audio, emphasis and timing per slide.

5 Finish

Reviews the whole presentation and continues to editing or video creation.

Import a PPTX with the required settings. Choose from the available presenter/no-presenter, body-view, wipe and portrait options.

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   Check Check slide, presenter and caption placement.

Target duration

A duration goal to compare with the estimated audio length, then refine.

Template preview

Shows the relative size of slides/presenters and caption placement.

Choose a presenter and review appearance and voice. In a dialogue format, verify speakers A/B; for narration-only formats, review the voice.

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   Action Select a presenter card.
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   Check Review the selected presenter and voice on the right.

Search and filters

Narrows the presenter list.

Voice audition

Audition an available voice and match it to the presentation.

Next

Confirms the selection and continues.

Slides appear on the left, the preview/highlight timeline in the middle and dialogue on the right. Review saved, audio and timing states per page.

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   Action Add dialogue to this slide.
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   Action Use Add emphasis to highlight slide content.
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   Action Details opens speed, fine adjustment and caption wording.

Slide thumbnail

Selects the page to edit.

Per-slide target seconds

Sets a target for that slide; locked slide targets affect total-duration allocation.

Add dialogue

Adds a line to the slide. Short lines are easier to revise and emphasize.

Dialogue / move up-down / delete

Click the wording to edit, reorder lines or remove an unwanted line.

Consult

Starts a consultation about the slide. Review intended changes and usage information before proceeding.

Open Details on a dialogue line. Standard speed and fine adjustment work differently, so choose deliberately.

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   Action Add dialogue to this slide.
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   Action Use Add emphasis to highlight slide content.
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   Action Details opens speed, fine adjustment and caption wording.

Play / pause / stop

Auditions the individual line.

Speed

Sets speech speed; review any regeneration information shown.

Fine adjustment

Makes small timing adjustments using existing audio. Check intelligibility before making a large change.

Variation

Chooses delivery for the line, distinguishing inherited and individual settings.

Caption wording

Uses the spoken wording or separate on-screen wording.

Update speech audio

Updates the line’s audio. Review its duration and readiness afterwards.

Spoken dialogue and captions can use different wording. For example, speech can say “Please apply by November twentieth,” while the caption reads “Deadline: November 20.” For pronunciation alone, consider a dictionary entry rather than rewriting the whole sentence.

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   Action Clear this checkbox to use different captions.
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   Enter Enter display wording, then leave the field to save.

Change the spoken content or voice

Edit the dialogue or voice settings, update audio and audition it. If duration changes, review emphasis timing and the slide length.

Change only the displayed wording

Set separate wording from Captions in Details. Changing only captions does not rewrite the spoken audio.

Keep spelling and correct pronunciation

Register a spelling => reading pair in pronunciation replacements, then update and check the affected audio.

Select the slide and open Details on the required dialogue line. Open Captions / Same as spoken text, clear the checkbox and enter the display wording. Click outside the field to save. Line breaks can be used to divide the captions.

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   Action Clear this checkbox to use different captions.
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   Enter Enter display wording, then leave the field to save.

Shorten wording without changing facts

Keep dates, amounts, conditions and negation consistent with the audio. Leave viewers enough time to read instead of filling captions with every spoken detail.

Return to the spoken wording

Checking it again stops using the independent caption text and returns to the spoken wording. Keep a copy of any custom wording you may need.

Captions are separate from slide text

This edits video captions. It does not change text inside the source slide image.

Check Check saving, audition the line, then review the full presentation for line breaks, clipping and overlap with slides or presenters.

For recurring product or place names, use pronunciation replacements. In the track editor, open File → Languages → Glossary/context and scroll to the pronunciation fields. This also applies to projects created from PowerPoint. If the editor is unavailable, first assemble the project from Finish.

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   Enter Pronunciation replacements for this project.
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   Enter Personal replacements shared across your projects.
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   Action Select Save pronunciation replacements.

Pronunciation versus translation glossary

Pronunciation replacements change the text used for Japanese speech, preserving captions, displayed spelling and translation input. The glossary above controls translation terminology.

One spelling => reading pair per line

Enter one spelling => reading pair per line, using the ASCII => separator. The displayed spelling is preserved. Register a full proper name when possible to avoid changing unrelated words.

When you want shorter captions

Edit the dialogue line’s caption wording instead. Displayed and spoken text serve different purposes.

Check These replacements apply to Japanese speech, not pronunciation across all foreign languages. Review translated wording and each language’s voice separately.

Use This project for a new term or a reading specific to this video. Use All projects / my settings for readings shared across your work. Select Save pronunciation replacements; saving Glossary/context above is a separate operation.

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   Enter Pronunciation replacements for this project.
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   Enter Personal replacements shared across your projects.
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   Action Select Save pronunciation replacements.

Project entries take priority

If the same spelling occurs in both scopes, the project entry wins. Put temporary exceptions in the project scope to avoid affecting other videos.

Create a no-replacement exception

Use the same spelling on both sides of => to leave that term unchanged. Keep entries specific and listen to the surrounding sentence.

Check audio and video after saving

Saving the dictionary does not instantly change old audio files. Update the affected audio and audition it. For a slide-based video, use Update TTS on the corresponding studio line. Read the overwrite scope in the confirmation before applying it to the editor again, then render any affected avatar clips.

Check The shared scope is your own setting, not an organization-wide rule. Different voices can deliver the reading differently, so always audition it.

In Slides and script, choose the page and select Add emphasis on the relevant dialogue line. Click near the text, shape or table, or drag an area on the slide. Select the resulting outline, move its body and resize it with its handles.

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   Check Adjust the area on the slide.
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   Check Use the clip edges to adjust when it appears and disappears.

Emphasize one meaningful area

Highlight the number, heading or part of a diagram currently being explained. Leave a little space so the outline does not obscure text.

Snapping versus a free area

The area can snap to nearby slide objects. Hold Alt when you need a freely drawn area.

Reselect an existing highlight

Select its outline on the slide or its clip in the emphasis timeline. Check the properties to confirm the page and associated sentence.

Select a highlight to open its style, color, thickness, opacity and sentence settings. Adjust them and select Update. Establish its appearance first, then synchronize it with narration.

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   Action Choose the emphasis style.
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   Check Check the associated spoken sentence.
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   Action Select Update after changing the settings.

Frame, underline and marker

Use a frame for a diagram or group, an underline for a short phrase and a marker for important text. Keep the wording legible.

Arrow and spotlight

Use an arrow to direct attention and a spotlight to distinguish an area from its surroundings. Check that the slide remains understandable.

Sentence

Choose which sentence in which dialogue line the highlight belongs to. Check this even when a line contains several sentences.

Update / Remove / Set as default

Update saves the change; Remove deletes the selected highlight. Set as default supplies settings for future highlights, so distinguish it from editing one item.

Use the emphasis timeline below the preview. Drag a clip’s body to move its interval, or its left/right edges to adjust the start/end. For example, show the outline just before the narrator introduces three uses and remove it as the explanation moves on.

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   Check Adjust the area on the slide.
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   Check Use the clip edges to adjust when it appears and disappears.

Position and time are different

Moving the outline on the slide changes its spatial position. Moving the timeline clip changes its display timing.

Temporarily bypass snapping / cancel

While adjusting timing, Alt or Shift bypasses snapping. Press Esc during a drag to cancel that operation.

Restore the default end

Double-click the clip’s right edge to restore its default end after a manual adjustment. Check the displayed times afterward.

Show all emphasis is for placement review

When all highlights are shown, the display differs from timed playback. Turn it off and play from before the sentence to review appearance and disappearance.

Check Changes to dialogue, speech speed or pauses can change audio duration. Replay the affected slide and check that a previous sentence’s highlight does not linger.

Open Parameters at the top right. In the settings panel, review presenter, voice, emphasis and captions, then check scope before applying to the whole project. The screenshot below shows where to open the settings.

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   Action Open Parameters to review shared settings.

Presenter presence, position and size

Keep the presenter clear of important slide content and captions.

Voice, speed and sentence ending

Sets a delivery suitable for the material.

Emphasis type, color and pauses

Chooses from the available frame, underline, marker, arrow and related styles.

One- / two-line captions

Balances caption length against available slide area.

Reset / apply to all

Check the impact on individually adjusted content before applying.

Open Finish and review the sequence, narration, pronunciation, captions and emphasis. To continue detailed editing, choose Assemble in MotionVox. Watch progress while the script is saved, audio prepared and captions applied.

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   Check Review readiness and the entries for playback, editing and video creation.

Assemble in MotionVox

Assembles slides, dialogue, presenters and emphasis into an editable timeline. Available preview audio is reused where applicable; missing audio is prepared.

Make the video automatically

Continues beyond assembly into video rendering/export. It is different from simply opening editable tracks; review the scope and displayed cost.

Discuss revisions

Starts a revision discussion. Review proposed changes and the displayed usage/cost information.

Check Before repeating assembly, check whether you already edited the tracks. If warned about overwriting those edits, keep a separate copy first.

After assembly, the editor button becomes available. If it says the script must be applied first, assembly is not complete. Review script/audio readiness and apply the draft from Finish.

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   Action Open the MotionVox editor after assembly.

Assembly is not a finished video

Completion here means the editable project is ready, not that avatar rendering or the final MP4 is complete.

Check before and after opening

Check slide count, script and duration before opening. In the editor, verify the project name and resulting tracks.

The editor separates slides, emphasis, avatars, speech and captions. Select the relevant time and item, then review placement and overlap in the preview. Keep slide text, faces and captions clear of each other.

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   Action Select the avatar video clip.
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   Action Select the speech clip to edit dialogue.

Slides and emphasis

Slides are images and emphasis is represented by shapes. Check the selected track before changing position, size or timing.

Avatar and presenter speech

Video and speech occupy separate tracks. Ensure the avatar contains the entire speech clip, including its surrounding silence.

Captions and their backing strip

Distinguish caption text from its backing strip. Check placement, wrapping and overlap during playback.

When speech is marked as imported audio

Studio-prepared audio may be imported into the project. TTS-only sentence splitting is not necessarily available for it. For dialogue or pronunciation changes, review the source studio and the scope of reapplying it.

For PowerPoint projects, File → Open in Slide to Video Studio returns to the studio. Check saving first, and use Save project as to keep the current version before substantial revisions. Verify the source content and the project that will receive the changes.

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   Action Click File to open project management.

Assembling in MotionVox again

For an assembled project, a confirmation warns that manual track edits will be overwritten. Read it before proceeding and compare against your saved copy for layouts, text and media you need to retain.

When a change-only update is offered

Review the displayed changes and targets first. Do not assume the word “difference” guarantees preservation of every manual layout or caption edit.

Do not assume automatic two-way synchronization

Do not assume every track edit is reflected back into studio dialogue/settings. Finalize the script in the studio, then refine the final layout in the track editor.

Check After reapplying, review pronunciation, caption wording, emphasis timing and avatar ranges again. Keep the saved copy while you still need the earlier version.

Once audio and placement are ready, generate the pending avatar clips. Before generation, the presenter may remain still. Play the result to check mouth movement, emphasis, captions and slide transitions. Save, export and review the final MP4 end to end.

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   Action Output provides export and exported-video entries.

Preview generation

Prepares the talking-avatar video. Reviewing dialogue and audio first reduces repeated video rendering.

Exported videos

Open it from Output, check language and date, then play/download. Saving a project alone does not produce an MP4.