Transcribe audio and video in 100 languages, including English, Mandarin Chinese, Cantonese, Japanese, Korean, Spanish, and French. Choose a language or use automatic detection.
"Welcome everyone to today's tech talk on next-gen speech recognition."
"针对多语言混说与 Code-Switching 场景，AI 能无缝对齐毫秒级时间轴。"
"Exactly! High precision without phonetic hallucination, ready for one-click SRT."
Convert speech to text in just 4 simple steps
Upload your audio or video file, or provide an online link. Supports MP3, WAV, M4A, MP4, MOV, AVI, MKV formats.
Choose the audio language from our extensive list of supported languages for optimal recognition accuracy.
Configure recognition settings for optimal accuracy.
Receive your accurate text transcription, ready for editing, translation, or further processing.
AI Speech Recognition, also known as Automatic Speech Recognition (ASR), is a technology that converts spoken language into written text. Our advanced AI-powered system can accurately transcribe audio and video content in multiple languages.
Our speech recognition tool uses cutting-edge artificial intelligence to analyze audio patterns and convert them into accurate text. Whether you have podcasts, lectures, interviews, or videos, our system can handle various audio conditions. This enables you to:
Upload your audio or video file, select the language, configure recognition settings, and let our AI provide accurate transcription results!
Everything you need for professional speech recognition
Advanced AI technology ensures accurate speech-to-text conversion with high precision across various audio conditions.
Transcribe audio and video in 100 languages, including English, Mandarin Chinese, Cantonese, Japanese, Korean, Spanish, and French. Choose a language or use automatic detection.
Supports various audio and video formats: MP3, WAV, M4A, MP4, MOV, AVI, MKV with files up to 5GB.
Your audio and video files are processed securely and automatically deleted within 24 hours to protect your privacy.
Distinguish different speakers and detect non-speech sound events like laughter and applause with precision.
Control whether punctuation marks are displayed in subtitle text, applied to export and copy.
Pay only for what you use with our credit-based system
High-quality AI-powered speech-to-text conversion
Best for speech recognition
Yes. Speech recognition creates the source subtitle text that can later be translated or used in a bilingual subtitle workflow.
Yes. Quantum Subtitle features native support for mixed-language speech recognition and code-switching. It accurately transcribes audio containing multiple languages spoken together—such as Chinese and English tech terms or Spanish and English conversations—without losing vocabulary or producing phonetic errors.
Speaker recognition distinguishes and labels distinct speakers in the audio, allowing you to easily identify who spoke each subtitle cue and adjust speaker names.
Yes. Enabling audio events detects non-speech sounds like laughter and applause, which can also be filtered or edited in the subtitle viewer.
Yes. You can turn punctuation display on or off, and the setting applies when exporting or copying subtitle text.
Clear speech, low background noise, and the correct audio language usually produce the best transcription results.
The most comprehensive AI-powered subtitle solution with unbeatable value and cutting-edge technology
Our platform offers extraction, translation, editing, and speech recognition tools in one unified solution. From hardcoded subtitle extraction to multilingual translation - streamline your workflow.
Our neural networks deliver high accuracy in speech recognition and translation with fast processing speeds. Trained on diverse content across multiple languages for reliable and quick results.
We prioritize user privacy and data security. All uploaded files are processed securely and automatically deleted within 24 hours. For more details, please check our privacy policy.
What makes our platform a great choice for your subtitle needs
Save significantly compared to traditional subtitle services with our pay-per-use model. No expensive subscriptions required.
Support for multiple languages with quality translations and cultural context understanding.
High-quality results suitable for content creators, educators, and businesses worldwide.
Simple pay-per-use pricing without expensive subscriptions. Only pay for what you actually use with clear, upfront costs.