XunFeiYiZhi

Overview

Xunfei Yizhi (also known as iFlyRec) is a professional video localization platform developed by iFlytek, a leading company in intelligent speech and artificial intelligence technologies. The product provides a one-stop workflow for video translation, AI dubbing, and multilingual subtitle generation. Built on a cloud-based architecture, the platform integrates automatic speech recognition (ASR), machine translation (MT), and text-to-speech (TTS) technologies into a unified pipeline. It is intended for video editors, content distributors, educational institutions, and corporate teams that need to convert monolingual video content into multiple language versions with high efficiency and consistent quality.

The video translation workflow begins when a user uploads a video file. The system first extracts the audio track and uses ASR to transcribe the spoken content into a text transcript. This transcript is then passed through neural machine translation engines to produce accurate and contextually appropriate translations in the selected target languages. The translated text is subsequently transformed into timestamped subtitles that are aligned to the original video timeline. Meanwhile, the AI dubbing component leverages advanced speech synthesis techniques to generate natural-sounding voiceovers in multiple languages. The synthesized voices are designed to match the duration and pacing of the original speech, enabling a fully dubbed version of the video without human recording sessions.

Multilingual subtitle generation is one of the tool's core strengths. Users can select multiple target languages for a single project, allowing the platform to produce several subtitle tracks from one source video. The automatic time-coding and alignment functions help maintain subtitle readability, and the overall process removes the need for manual transcription and translation. In addition, the cloud-based processing model means that users do not need high-end workstations; all heavy computation is performed on remote servers, making the tool accessible to teams of any size. This approach also allows for scalable processing of large video files and batch workflows, which is essential for professional video production organizations handling a high volume of content.

The practical value of the platform is significant. It reduces the cost of hiring human translators and voice actors, shortens the turnaround time for international distribution, and helps companies expand their global audience. Typical use cases include generating subtitles for e-learning courses, dubbing training videos for global employees, localizing marketing videos for different regions, translating corporate communications, and preparing video assets for streaming platforms. By offering an integrated environment for video translation and dubbing, Xunfei Yizhi enables media workflows that would otherwise require multiple separate tools, manual effort, and specialized expertise.

Core capabilities

One-Stop Video Localization

Combines automatic speech recognition, machine translation, and text-to-speech into a single workflow.

AI Dubbing

Generates natural-sounding synthetic voiceovers in multiple languages that align with the original video timing.

Multilingual Subtitle Generation

Automatically creates timestamped subtitles in multiple target languages for one source video.

Speech-to-Text Transcription

Converts spoken audio into accurate text transcripts for further processing.

Neural Machine Translation

Produces contextually appropriate translations that preserve meaning across languages.

Cloud-Based Processing

Handles computation on remote servers, enabling accessibility without high-end local hardware.

Scalable Workflow

Supports high-volume video processing and batch operations for professional production teams.

Time-Synced Output

Ensures both subtitles and dubbed audio remain aligned with the original video timeline.

Use cases

Subtitling and dubbing YouTube videos to engage non-native speakers.

Creating multi-language versions of online courses for worldwide learners.

Localizing product demo videos for international sales teams.

Generating translated subtitles for conference presentations and webinars.

Dubbing animation or explainer videos with AI voices.

Preparing corporate communication videos for global branch offices.

Bilingual or multilingual subtitling for film festivals and streaming distribution.