Add model card README

README.md

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+---
+license: mit
+pipeline_tag: audio-to-audio
+tags:
+- audio
+- speech
+- gguf
+- tokenizer
+- rvq
+library_name: ggml
+base_model: XiaomiMiMo/MiMo-Audio-Tokenizer
+---
+
+# MiMo Audio Tokenizer (encoder only) -- GGUF
+
+GGUF conversion of the **encoder** from [`XiaomiMiMo/MiMo-Audio-Tokenizer`](https://huggingface.co/XiaomiMiMo/MiMo-Audio-Tokenizer) for use with **[CrispStrobe/CrispASR](https://github.com/CrispStrobe/CrispASR)**.
+
+## Available variants
+
+| File | Quant | Size | Notes |
+|---|---|---|---|
+| `mimo-tokenizer-q4_k.gguf` | Q4_K | 377 MB | Encoder + RVQ codebooks |
+
+## Model details
+
+- **Architecture:** 32-layer transformer encoder (1280d, 20 heads) + Conv1d stem + 20 RVQ codebooks
+- **Parameters:** ~600M (encoder only, decoder/vocoder excluded)
+- **Audio:** 24kHz input, outputs RVQ tokens at 25 Hz (8 channels used by ASR)
+- **License:** MIT
+- **Source:** [`XiaomiMiMo/MiMo-Audio-Tokenizer`](https://huggingface.co/XiaomiMiMo/MiMo-Audio-Tokenizer)
+
+## Notes
+
+- Only the encoder is included (waveform → RVQ tokens). Decoder/vocoder (TTS reconstruction) excluded.
+- Used as the first stage of MiMo-V2.5-ASR pipeline (tokenizer → LLM)