whisper

Maintainer: openai

Total Score

12.3K

Last updated 6/12/2024
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Model overview

Whisper is a general-purpose speech recognition model developed by OpenAI. It is capable of converting speech in audio to text, with the ability to translate the text to English if desired. Whisper is based on a large Transformer model trained on a diverse dataset of multilingual and multitask speech recognition data. This allows the model to handle a wide range of accents, background noises, and languages. Similar models like whisper-large-v3, incredibly-fast-whisper, and whisper-diarization offer various optimizations and additional features built on top of the core Whisper model.

Model inputs and outputs

Whisper takes an audio file as input and outputs a text transcription. The model can also translate the transcription to English if desired. The input audio can be in various formats, and the model supports a range of parameters to fine-tune the transcription, such as temperature, patience, and language.

Inputs

  • Audio: The audio file to be transcribed
  • Model: The specific version of the Whisper model to use, currently only large-v3 is supported
  • Language: The language spoken in the audio, or None to perform language detection
  • Translate: A boolean flag to translate the transcription to English
  • Transcription: The format for the transcription output, such as "plain text"
  • Initial Prompt: An optional initial text prompt to provide to the model
  • Suppress Tokens: A list of token IDs to suppress during sampling
  • Logprob Threshold: The minimum average log probability threshold for a successful transcription
  • No Speech Threshold: The threshold for considering a segment as silence
  • Condition on Previous Text: Whether to provide the previous output as a prompt for the next window
  • Compression Ratio Threshold: The maximum compression ratio threshold for a successful transcription
  • Temperature Increment on Fallback: The temperature increase when the decoding fails to meet the specified thresholds

Outputs

  • Transcription: The text transcription of the input audio
  • Language: The detected language of the audio (if language input is None)
  • Tokens: The token IDs corresponding to the transcription
  • Timestamp: The start and end timestamps for each word in the transcription
  • Confidence: The confidence score for each word in the transcription

Capabilities

Whisper is a powerful speech recognition model that can handle a wide range of accents, background noises, and languages. The model is capable of accurately transcribing audio and optionally translating the transcription to English. This makes Whisper useful for a variety of applications, such as real-time captioning, meeting transcription, and audio-to-text conversion.

What can I use it for?

Whisper can be used in various applications that require speech-to-text conversion, such as:

  • Captioning and Subtitling: Automatically generate captions or subtitles for videos, improving accessibility for viewers.
  • Meeting Transcription: Transcribe audio recordings of meetings, interviews, or conferences for easy review and sharing.
  • Podcast Transcription: Convert audio podcasts to text, making the content more searchable and accessible.
  • Language Translation: Transcribe audio in one language and translate the text to another, enabling cross-language communication.
  • Voice Interfaces: Integrate Whisper into voice-controlled applications, such as virtual assistants or smart home devices.

Things to try

One interesting aspect of Whisper is its ability to handle a wide range of languages and accents. You can experiment with the model's performance on audio samples in different languages or with various background noises to see how it handles different real-world scenarios. Additionally, you can explore the impact of the different input parameters, such as temperature, patience, and language detection, on the transcription quality and accuracy.



This summary was produced with help from an AI and may contain inaccuracies - check out the links to read the original source documents!

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