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add blank_penalty for online transducer (#548)

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chiiyeh
2024-01-26 12:12:13 +08:00
committed by GitHub
parent 466a6855c8
commit e7b18a2139
13 changed files with 94 additions and 14 deletions
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8
sherpa-onnx/csrc/online-recognizer-transducer-impl.h
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@@ -95,10 +95,10 @@ class OnlineRecognizerTransducerImpl : public OnlineRecognizerImpl {
decoder_ = std::make_unique<OnlineTransducerModifiedBeamSearchDecoder>(
model_.get(), lm_.get(), config_.max_active_paths,
config_.lm_config.scale, unk_id_);
config_.lm_config.scale, unk_id_, config_.blank_penalty);
} else if (config.decoding_method == "greedy_search") {
decoder_ = std::make_unique<OnlineTransducerGreedySearchDecoder>(
model_.get(), unk_id_);
model_.get(), unk_id_, config_.blank_penalty);
} else {
SHERPA_ONNX_LOGE("Unsupported decoding method: %s",
config.decoding_method.c_str());
@@ -131,10 +131,10 @@ class OnlineRecognizerTransducerImpl : public OnlineRecognizerImpl {
decoder_ = std::make_unique<OnlineTransducerModifiedBeamSearchDecoder>(
model_.get(), lm_.get(), config_.max_active_paths,
config_.lm_config.scale, unk_id_);
config_.lm_config.scale, unk_id_, config_.blank_penalty);
} else if (config.decoding_method == "greedy_search") {
decoder_ = std::make_unique<OnlineTransducerGreedySearchDecoder>(
model_.get(), unk_id_);
model_.get(), unk_id_, config_.blank_penalty);
} else {
SHERPA_ONNX_LOGE("Unsupported decoding method: %s",
config.decoding_method.c_str());