Issues

• Licence of the released streaming-zipformer weights (upstream repo declares none, export mirror declares Apache-2.0)

  k2-fsa/icefall#2102 · Filter by author openclawflash opened on Aug 7, 2026

• Train Zipformer with 7wh english and chinese corpus, loss diverged

  k2-fsa/icefall#2094 · Filter by author hmylk opened on Jun 29, 2026

• issue in librispeech recipe, Transducer+Ctc model (streaming)

  k2-fsa/icefall#2092 · Filter by author KarelVesely84 opened on Jun 23, 2026

• Empty hyp when decoding zipformer streaming model

  k2-fsa/icefall#2091 · Filter by author saiakarsh-yal opened on Jun 23, 2026
  1

• Zipformer performance suddenly drops after epoch 14

  k2-fsa/icefall#2087 · Filter by author 1215thebqtic opened on Jun 11, 2026
  4

• Question about FLOPs and RTF profiling for Conformer-CTC models

  k2-fsa/icefall#2083 · Filter by author HajarMazaheri opened on May 25, 2026
  1

• Zipformer(Streaming) Performance in Noisy Conditions

  k2-fsa/icefall#2073 · Filter by author iithgkb opened on Mar 4, 2026
  3

• 在whisper官方预训练模型上进行aishell测试集推理，cer>100%

  k2-fsa/icefall#2072 · Filter by author JiangSYKY opened on Mar 1, 2026
  3

• The decoder swallows one or more words. Is this due to the training or the decoder itself?

  k2-fsa/icefall#2071 · Filter by author BorisV113 opened on Feb 26, 2026

• aishell1 zipformer recipe dose not work

  k2-fsa/icefall#2069 · Filter by author menggedu opened on Feb 15, 2026
  2

• Guidance on Zipformer configuration for low-power ARM CPU (Persian ASR, ~400h data)

  k2-fsa/icefall#2066 · Filter by author mohammadd-dev opened on Feb 6, 2026
  3

• Feature extraction on GPU

  k2-fsa/icefall#2065 · Filter by author alexgorodetski1802 opened on Feb 1, 2026
  1

• fineture-streaming-zipformer

  k2-fsa/icefall#2063 · Filter by author ai4in opened on Jan 29, 2026
  2

• 请问可以给fst解码加一个lm_scale的参数吗？

  k2-fsa/icefall#2058 · Filter by author PeiwenWu opened on Jan 8, 2026
  1

• 中文模型使用HLG.fst有问题

  k2-fsa/icefall#2057 · Filter by author PeiwenWu opened on Jan 8, 2026
  5

• 请问，使用Zipformer作为语音编码器的时候，是否有必要使用像CMVN这些？

  k2-fsa/icefall#2055 · Filter by author zhongshijun opened on Jan 7, 2026
  1

• Multilingual Pretraining, Cross-Lingual Finetuning, and LID Heads with Zipformer

  k2-fsa/icefall#2052 · Filter by author rohithkodali opened on Dec 23, 2025
  7

• What is the easiest way to change medium configuration of zipformer to small/large

  k2-fsa/icefall#2050 · Filter by author AlexandderGorodetski opened on Dec 10, 2025
  1

• 自训练zipformer导出rknn失败

  k2-fsa/icefall#2049 · Filter by author Leaou-Bin opened on Dec 8, 2025
  1

• 训练matcha-tts太慢

  k2-fsa/icefall#2048 · Filter by author xiaokemo4-web opened on Dec 4, 2025

• Training failure when enabling cr-ctc-loss - possible grad_scale issue

  k2-fsa/icefall#2042 · Filter by author redsheep913 opened on Nov 10, 2025
  13

• EXPORT ONNX ERROR

  k2-fsa/icefall#2040 · Filter by author AlexandderGorodetski opened on Oct 29, 2025
  3

• 导出RKNN模型失败

  k2-fsa/icefall#2038 · Filter by author Stonedcs opened on Oct 28, 2025
  1

• Punctuation training stream recognition sentence end punctuation loss

  k2-fsa/icefall#2036 · Filter by author tuocheng0824 opened on Oct 27, 2025

• whisper nospeech

  k2-fsa/icefall#2031 · Filter by author ARman-AT opened on Oct 8, 2025