HeyVoli

Generates marketing copy (headlines, ad text, social posts, email bodies) using pre-built templates that can be customized with brand voice profiles. The system likely stores brand guidelines (tone, vocabulary, style rules) as embeddings or prompt-injection parameters, then conditions the underlying LLM generation on these profiles to maintain consistency across campaigns. Templates act as structural scaffolding to reduce hallucination and enforce format compliance.

Converts text to speech across multiple languages and accents using neural TTS (likely Tacotron 2, FastPitch, or similar architecture), with optional voice cloning that maps user-provided audio samples to speaker embeddings. The system likely maintains a voice library indexed by language, accent, gender, and age, then routes synthesis requests through language-specific models. Voice cloning probably uses speaker verification techniques (x-vector or similar) to match input audio characteristics.

Generates images from text prompts using a diffusion model (likely Stable Diffusion, DALL-E, or proprietary fine-tune) conditioned on style templates and composition presets. The system likely encodes visual style (photorealistic, illustration, 3D render, etc.) and composition rules (rule-of-thirds, grid layout, etc.) as prompt augmentation or LoRA adapters, then routes requests through the underlying generative model. Templates reduce prompt engineering friction and enforce brand-consistent aesthetics.

Orchestrates multi-asset content generation across text, image, and voiceover modalities at campaign scale, likely using a workflow engine that chains requests through copywriting → image generation → voiceover synthesis with shared context (brand voice, campaign brief, target audience). Batch generation probably queues requests asynchronously and returns results via webhook or polling. The system likely maintains campaign state (brief, assets generated, approval status) in a relational database indexed by campaign ID.

Stores and applies brand voice guidelines (tone, vocabulary, style rules, visual aesthetics) across all content generation modalities. The system likely maintains a brand profile as a structured document or embedding vector, then injects brand context into prompts or fine-tunes model behavior via prompt engineering or adapter layers. Brand consistency is enforced by conditioning all generation requests (copy, image style, voiceover tone) on the same profile, creating a unified brand identity across channels.

Distributes generated content (copy, images, voiceovers) to multiple marketing channels (social media, email, web, ads) with optional scheduling. The system likely integrates with platform APIs (Meta, Google Ads, Mailchimp, etc.) to publish content directly, or exports assets in channel-specific formats. Scheduling probably uses a job scheduler (cron-like) to queue posts at specified times, with optional timezone handling and audience targeting metadata.

Tracks performance metrics (engagement, clicks, conversions) for generated content across channels and provides A/B testing insights to guide future generation. The system likely integrates with platform analytics APIs (Meta Insights, Google Analytics, etc.) to pull performance data, then correlates metrics with content attributes (copy style, image type, voiceover tone) to identify high-performing patterns. Analytics probably surface in a dashboard with filtering by campaign, channel, and content type.