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Google EMEA gTech Ads Data Science Team's solution to automatically translate and dub video ads into multiple languages using AI.

Project description

gTech Ads Ariel for AI Video Ad Dubbing

Ariel is an open-source Python library that facilitates efficient and cost-effective dubbing of video ads into multiple languages.

python PyPI GitHub last commit Code Style: Google Open in Colab

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This is not an official Google product.

OverviewFeaturesBenefitsLanguage CompatibilityBefore You BeginGetting StartedBuilding BlocksReferences

Overview

Ariel is a cutting-edge solution designed to enhance the global reach of digital advertising. It enables advertisers to automate the translation and dubbing of their video ads into a wide range of languages.

Features

  • Automated Dubbing: Streamline the generation of high-quality dubbed versions of video ads in various target languages.
  • Scalability: Handle large volumes of videos and diverse languages efficiently.
  • User-Friendly: Offers a straightforward API and/or user interface for simplified operation.
  • Cost-Effective: Significantly reduce dubbing costs compared to traditional methods. The primary expenses are limited to Gemini API and Text-To-Speech API calls.

Benefits

  • Enhanced Ad Performance: Improve viewer engagement and potentially increase conversion rates with localized ads.
  • Streamlined Production: Minimize the time and cost associated with manual translation and voiceover work.
  • Rapid Turnaround: Quickly generate dubbed versions of ads to accelerate multilingual campaign deployment.
  • Expanded Global Reach: Reach broader audiences worldwide with localized advertising content.

Language Compatibility

You can dub video ads from and to the following languages:

  • Arabic (ar-SA), (ar-EG)
  • Bengali (bn-BD), (bn-IN)
  • Bulgarian (bg-BG)
  • Chinese (Simplified) (zh-CN)
  • Chinese (Traditional) (zh-TW)
  • Croatian (hr-HR)
  • Czech (cs-CZ)
  • Danish (da-DK)
  • Dutch (nl-NL)
  • English (en-US), (en-GB), (en-CA), (en-AU)
  • Estonian (et-EE)
  • Finnish (fi-FI)
  • French (fr-FR), (fr-CA)
  • German (de-DE)
  • Greek (el-GR)
  • Gujarati (gu-IN)
  • Hebrew (he-IL) (Note: Not supported with ElevenLabs API)
  • Hindi (hi-IN)
  • Hungarian (hu-HU)
  • Indonesian (id-ID)
  • Italian (it-IT)
  • Japanese (ja-JP)
  • Kannada (kn-IN)
  • Korean (ko-KR)
  • Latvian (lv-LV)
  • Lithuanian (lt-LT)
  • Malayalam (ml-IN)
  • Marathi (mr-IN)
  • Norwegian (nb-NO), (nn-NO)
  • Polish (pl-PL)
  • Portuguese (pt-PT), (pt-BR)
  • Romanian (ro-RO)
  • Russian (ru-RU)
  • Serbian (sr-RS)
  • Slovak (sk-SK)
  • Slovenian (sl-SI)
  • Spanish (es-ES), (es-MX)
  • Swahili (sw-KE)
  • Swedish (sv-SE)
  • Tamil (ta-IN), (ta-LK)
  • Telugu (te-IN)
  • Thai (th-TH)
  • Turkish (tr-TR)
  • Ukrainian (uk-UA)
  • Vietnamese (vi-VN)

Before You Begin

  • System Requirements:
    • Installed FFmpeg: For video and audio processing. You don't need to install this if you're running from Google Colab.
    • GPU (Recommended): For optimal performance, especially with larger videos. It's available for free in Google Colab.
  • Accounts and Tokens:
    • Google Cloud Platform (GCP) Project: Set up a GCP project. See here for instructions.
      • Enabled Vertex AI API: Enable the Vertex API in your GCP project. See here for instructions.
      • Enabled Cloud Storage API: Enable the Cloud Storage API in your GCP project. See here for instructions.
        • You need access to create and delete Google Cloud Storage (GCS) buckets.
      • Enabled Text-To-Speech API: Enable the Text-To-Speech API in your GCP project if you choose it for the Text-To-Speech part of the process. See here for instructions.
      • Google Drive API: Enable the Google Drive API if you use the demo notebook called 'dubbing_workflow.ipynb in Google Colab.
      • Google Sheets API: Enable the Google Sheets API if you use the demo notebook called 'dubbing_workflow.ipynb in Google Colab and want to pass script voice metadata from Google Sheets.
    • Hugging Face Token: To access the PyAnnote speaker diarization model. See here on how to get the token.
      • Hugging Face Model License: You must accept the user conditions for the PyAnnote speaker diarization here and segmentation models here.
    • [OPTIONAL] ElevenLabs API: To access the ElevenLabs API. See here.
      • Commercial Use: You are responsible for selecting the right ElevenLabs license if you decide to use the outputs from Ariel in a commercial setting. See the pricing here. Else, ElevenLabs is free to use.
  • Data handling:
    • Input files: Ariel can work with both video and audio ads and they need to be in the MP4 or MP3 file formats respectively. See here for the limitations on the duration of the ads enforeced by Gemini models.
    • Storage: Ariel reads, processes and saves all the files in your environment, e.g. Colab. Only on one instance it creates a temporary Google Cloud Storage (GCS) bucket to upload the input file there for the Gemini model to indentify unique speakers. The bucket with all its contents is removed immediately afterwards. You can modify the gcp_region argument to choose the best location to perform this operation.
    • Voice cloning: You can clone voices from the input file to make the dubbing sound close to the original if you decide to use ElevenLabs. It's is your responsibility to ensure that you are legally allowed to do so.

Getting started

To start using Ariel, just click on the this button: Open in Colab

Building Blocks

Ariel leverages a powerful combination of state-of-the-art AI and audio processing techniques to deliver accurate and efficient dubbing results:

  1. Video Processing: Extracts the audio track from the input video file.
  2. Audio Processing:
    • DEMUCS: Employed for advanced audio source separation.
    • pyannote: Performs speaker diarization to identify and separate individual speakers.
  3. Speech-To-Text (STT):
    • faster-whisper: A high-performance speech-to-text model.
    • Gemini 1.5 Flash: A powerful multimodal language model that contributes to enhanced transcription.
  4. Translation:
    • Gemini 1.5 Flash: Leverages its language understanding for accurate and contextually relevant translation.
  5. Text-to-Speech (TTS):
    • GCP's Text-To-Speech: Generates natural-sounding speech in the target language.
    • [OPTIONAL] ElevenLabs: An alternative API to generate speech. It's recommened for the best results. WARNING: ElevenLabs is a paid solution and will generate extra costs. See the pricing here.

References

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