Create an Account

• Go to addavox.com and click Sign In, then choose Sign up.
• Enter your name, email, and password, and accept the Terms of Use and Privacy Policy.
• Verify your email from the message Addavox sends you before your first login.

Sign In

• Visit addavox.com and click Sign In.
• Enter your email and password to open the dashboard at app.addavox.com.

Plans & Pricing

All plans, included minutes, and rates are listed on the Addavox pricing page.

Monthly & Annual Billing

• On the pricing page, toggle Monthly or Annual to compare billing options. Annual subscriptions are billed once per year at the displayed yearly total.
• Included minutes reset each billing period. Unused included minutes do not roll over to the next period.
• Overage beyond included minutes is charged at your plan's overage rate, deducted from your credit balance.

Credits & Usage

Addavox tracks two related balances: included subscription minutes and a prepaid credit balance in US dollars.

• Included minutes cover localization up to your plan limit each billing period.
• When included minutes are used, overage draws from your credit balance at your plan's overage rate.
• On paid plans, credits are shared across video localization and all API services. Overage beyond included minutes will be deducted from your credit balance.
• On the Free plan, you must add credits before starting a project — there is no included-minute buffer for execution.
• Add prepaid credits from Billing (Add Credits): choose from the available credit amounts. Payment is completed through Stripe Checkout.
• Before approving a new project, Addavox estimates cost from video length and target languages. You need included minutes remaining or a positive credit balance to proceed.

Managing Your Plan

• New subscriptions: choose a plan on the pricing page in the app and complete checkout through Stripe.
• Upgrade or downgrade between paid plans on the pricing page in the app. Upgrades apply immediately with proration on your Stripe subscription.
• Downgrades are scheduled for your next billing period. If you upgraded within the past year, plan downgrades may be blocked until your one-year commitment ends.
• Cancel a paid subscription from Billing (Cancel subscription). Access continues until the end of the current billing period; you can Reactivate before that date.
• After cancellation, your account returns to the Free plan. Add credits if you need to run jobs without a paid subscription.

Refunds & Cancellations

Refund behavior depends on what you purchased and when processing started.

• Project charges: if localization fails or you cancel before processing completes, Addavox refunds the upfront project charge back to your credit balance. Refunds appear in Billing transaction history as Refund.
• Deleting a project after processing has started does not bypass billing — charges apply to work already performed.
• Prepaid credit purchases and subscription payments are handled through Stripe. Contact support@addavox.com for billing disputes or refund requests on subscription or credit purchases.
• Cancelling a subscription stops future renewal but does not automatically refund the current billing period.

Start a New Project

• From the dashboard, click New Project.
• Drag and drop your video into the upload area, or click to browse. Addavox reads the file name and duration automatically.

Configure Languages

• Enter a project name.
• Choose the source language — the language spoken in your video.
• Add one or more target languages. Each target language becomes a localized version of the project.

Review Cost & Consent

• Click Review costs to see an estimate based on video length and the number of target languages.
• Confirm the cost, then complete the localization consent step. If you choose Voice Emulation, confirm you have rights to emulate the speakers' voices.
• Approve to start upload and processing. You are returned to the dashboard while the video uploads and the AI pipeline runs — you do not need to keep the browser open.

Processing & Dashboard

• On the dashboard, each project card shows pipeline progress: upload, audio separation, transcription, localization, and review.
• When a language shows Ready for review, open the Review screen to refine transcription, translation, timing, and audio.
• If upload is interrupted, use Resume upload on the project card when the same video file is still available on your computer.

Open the Review Editor

• From the dashboard, click a language link such as Spanish — Ready for review, or open the project and choose Review.
• Use the language switcher in the header to move between target languages in the same project.
• The layout has the video player on top and the segment timeline below. Each segment shows source transcription, target translation, and localized audio waveforms.

Timeline & Text Editing

• Click source text to edit the transcription. Click target text to edit the translation.
• Press Enter to save text changes. Editing source text re-translates and regenerates audio for that segment. Editing target text updates syllable matching and audio synthesis.
• Press Cmd+Enter (Mac) or Ctrl+Enter (Windows) to split a source segment at the cursor.
• Press Backspace at the start of a source segment to merge it with the previous segment.
• Right-click a text row (or long-press on touch devices) for actions such as re-transcribe, back-translate, paraphrase, retranslate, regenerate audio, or record a human voiceover.
• Use the subtitle character slider in the header to control how long on-screen subtitles can be.

Audio Editing

Each segment has a source audio bar (original speech) and a green target waveform (localized voice). You can adjust timing, position, and speed.

• Drag the left or right edge of the source bar to change source segment boundaries.
• Drag the left or right edge of the target bar to change the frame where localized audio is placed.
• Click and drag the green target waveform to slide audio earlier or later within its frame.
• Hold Cmd (Mac) or Ctrl (Windows) while dragging the target waveform to change tempo — stretching or compressing audio to fit the available time. Use small adjustments; large changes can sound unnatural.
• Place the playhead over target audio and press Enter to split target audio at that point.
• Use the segment context menu to regenerate audio, resample a Voice Emulation reference, delete target audio, or record a replacement voiceover.

Undubbed Regions

When Addavox localizes a video, it separates the spoken voice from the background — music, crowd, effects — translates and re-voices the speech, then mixes the new voice back over the original background. Occasionally a short stretch of the original speech isn't captured, most often when a very loud passage makes the separation step struggle. That part then plays back in the original language instead of the translated dub, which is easy to miss on a long video because it simply sounds like normal audio. The Undubbed Regions check finds these spots automatically and tells you which ones actually contain missed speech.

Where to find it: Open any localized project in the Review screen. If the check finds a region that looks like missed speech, an amber badge appears in the top-right corner of the video reading “1 gap may contain speech.” If your video has no missed speech, no badge appears.

1. Click the badge to expand it into a short list of undubbed regions. Each shows the time range, a preview of what was said, and the word count.
2. Click a region to jump the video there and confirm.
3. Fix it with the retranscribe tool. On the source waveform at the bottom, click and drag across the flagged region — from just before the missed speech to just after — and release, so the whole waveform for that stretch is highlighted. Then choose retranscribe the highlighted section. Addavox transcribes, translates, and voices the highlighted stretch and drops it into the dub, filling the gap.
4. Collapse the list with – , or dismiss it with ×.

Two kinds of gap: Regions marked may contain speech (amber) are real spoken words that weren't dubbed and are worth fixing. Silent gaps — pauses, music-only, or ambient sound — contain nothing missed and can be ignored.

EQ & Mix

Per-segment EQ and mix controls let you shape localized audio so it sits correctly against background and source stems.

• Double-click a target waveform (or choose Audio settings from the segment menu) to open the EQ & Mix panel.
• Adjust gain and pan for the segment's localized voice.
• Use the EQ curve to set a high-pass filter, low shelf, mid band, and high shelf. Drag the handles on the spectrum display to tune each band.
• Toggle bypass to hear the unprocessed target audio, or enable loop to preview the segment repeatedly while you adjust settings.
• Click Apply to all segments to copy the current mix settings across the project, or Reset to return to defaults for the active segment.

Playback Mixer

The header mixer controls what you hear during review. It affects preview only — not the exported files.

• Three stems are available when present: Background, Source vocals, and Localized target audio.
• Press B, S, or T to mute or unmute background, source, and target stems.
• Adjust per-track volume from the mixer panel. Long-press a track row on touch devices to reveal its volume slider.

AI Chat

The AI Chat panel is a conversational way to make the same edits available in the timeline. Open it with the green chat button or press C.

• Ask the assistant to fix transcription errors, improve translations, shorten text to fit timing, change tone, or adjust when a segment starts.
• Examples: "The transcription says 'their' but it should be 'there'", "Make this sound more formal in French", or "Delay this segment by half a second".
• Use the segment switcher in the chat header to direct commands at a specific segment.
• Press ? inside the chat panel to toggle built-in help, example prompts, and keyboard shortcuts.
• Chat changes and direct timeline edits use the same backend cascade — translation, audio synthesis, timing, and stitching update automatically.

Send Invitations

• When a project is ready for review, open the project card menu and click the Share icon, or open Reviewers from the project page.
• Click Invite Reviewer and enter the reviewer's name, email, and the language they should review.
• Addavox emails a secure link. Each invitation is tied to one target language.

Reviewer Workflow

• The reviewer opens the link and chooses Accept Invitation or Reject.
• Accepted reviewers can play the video, read transcription and translation, and suggest edits through the same Review tools available to project owners.
• When finished, the reviewer clicks Reviewed to mark their review complete. Project owners see reviewer status on the Share dialog.

Manage Access

• Open the Reviewers dialog to see invited, accepted, completed, rejected, or revoked reviewers.
• Resend an invitation if a link expired, or revoke access to disable a reviewer's link immediately.

Select Assets

• Open the project page from the dashboard after processing finishes.
• In the Downloads section, browse assets grouped by language.
• Available asset types typically include:
  • Localized video (picture plus dubbed audio)
  • Localized audio track
  • Subtitle files
• Select the checkboxes for the files you want in your export.

Download Files

• Click Download Selected to build a ZIP archive of the checked assets.
• Wait for the export to finish, then save the ZIP to your computer.
• Individual assets also expose a direct download link if you only need one file.