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---
pretty_name: "WhisperKit ASR Evaluation Results"
viewer: false
library_name: whisperkit
tags:
- whisper
- whisperkit
- coreml
- asr
- quantized
---
# WhisperKit-0.7.0 VAD Chunking Strategy Evaluation Results
This is an evaluation study to verify that the [Voice Activity Detection (VAD) based chunk-and-batch strategy introduced in WhisperKit-0.7.0](https://github.com/argmaxinc/WhisperKit/releases/tag/v0.7.0) does not decrease transcription quality. In order to measure the impact of chunking, we picked a random 10% subset of the [earnings22](https://huggingface.co/datasets/argmaxinc/earnings22-12hours) dataset which comprises corporate earnings call recordings in English with various accents. The long-form nature (>1hr/clip) and the density of speech in these audio clips are intended to stress test VAD accuracy. If VAD is inaccurate, WhisperKit will present speech segments to the Whisper model that start middle-of-speech and cause Whisper to hallucinate at increased rates.
## Dataset: `earnings22-12hours`
Long-Form Audio (>1hr/clip) - ~12 hours of earnings call recordings in English with various accents
### with VAD
| | WER (↓) | QoI (↑) | File Size (MB) | Code Commit |
|:------------------------------------------------------------------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------|----------:|-----------------:|:---------------------------------------------------------------|
| [large-v3_turbo](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-large-v3_turbo) | [11.97](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-large-v3_turbo/earnings22-12hours) | 100 | 3100 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [large-v2](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-large-v2) | [12.4](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-large-v2/earnings22-12hours) | 38.5 | 3100 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [distil-large-v3](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/distil-whisper_distil-large-v3) | [12.32](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/distil-whisper_distil-large-v3/earnings22-12hours) | 23.1 | 1510 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [small.en](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-small.en) | [13.08](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-small.en/earnings22-12hours) | 15.4 | 483 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [small](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-small) | [13.27](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-small/earnings22-12hours) | 15.4 | 483 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [base.en](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-base.en) | [15.34](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-base.en/earnings22-12hours) | 7.7 | 145 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [base](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-base) | [16.62](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-base/earnings22-12hours) | 7.7 | 145 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [tiny.en](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-tiny.en) | [19.02](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-tiny.en/earnings22-12hours) | 0 | 66 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
| [tiny](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-tiny) | [21.21](https://hf.co/datasets/argmaxinc/whisperkit-0.7.0-evals/tree/main/WhisperKit/openai_whisper-tiny/earnings22-12hours) | 0 | 66 | [Link](https://github.com/argmaxinc/WhisperKit/commit/65cb888) |
### without VAD
| | WER (↓) | QoI (↑) | File Size (MB) | Code Commit |
|:------------------------------------------------------------------------------------------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------|----------:|-----------------:|:---------------------------------------------------------------|
| [large-v3_turbo](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-large-v3_turbo) | [11.95](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-large-v3_turbo/earnings22-12hours) | 100 | 3100 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [large-v2](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-large-v2) | [13.76](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-large-v2/earnings22-12hours) | 15.4 | 3100 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [distil-large-v3](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/distil-whisper_distil-large-v3) | [13.03](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/distil-whisper_distil-large-v3/earnings22-12hours) | 15.4 | 1510 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [small.en](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-small.en) | [15.39](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-small.en/earnings22-12hours) | 7.7 | 483 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [small](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-small) | [16.27](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-small/earnings22-12hours) | 7.7 | 483 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [base.en](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-base.en) | [19.62](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-base.en/earnings22-12hours) | 0 | 145 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [base](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-base) | [25.26](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-base/earnings22-12hours) | 0 | 145 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [tiny.en](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-tiny.en) | [23.79](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-tiny.en/earnings22-12hours) | 0 | 66 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
| [tiny](https://hf.co/argmaxinc/whisperkit-coreml/tree/main/openai_whisper-tiny) | [31.48](https://hf.co/datasets/argmaxinc/whisperkit-evals/tree/main/WhisperKit/openai_whisper-tiny/earnings22-12hours) | 0 | 66 | [Link](https://github.com/argmaxinc/WhisperKit/commit/c829f9a) |
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