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Use librosa-style fbank for streaming NeMo CTC models (#4092)

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Hassan Kazi authored and GitHub committed 2026-10-26 16:48:34 +08:00
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commit 49f4c887da
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sherpa-onnx/csrc/online-recognizer-ctc-impl.h
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@@ -261,6 +261,14 @@ class OnlineRecognizerCtcImpl : public OnlineRecognizerImpl {
config_.feat_config.normalize_samples = false;
}
if (!config_.model_config.nemo_ctc.model.empty()) {
config_.feat_config.low_freq = 0;
config_.feat_config.high_freq = 0;
config_.feat_config.is_librosa = true;
config_.feat_config.remove_dc_offset = false;
config_.feat_config.window_type = "hann";
}
if (!config_.model_config.t_one_ctc.model.empty()) {
config_.feat_config.is_t_one = true;
config_.feat_config.frame_length_ms = 300;