fix paraformer bug, when predicts no token, silence

游雁

2023-01-31 51ea14f910d76c5c1a581098d3808a78fdb9fcd1

 funasr/bin/asr_inference_paraformer_timestamp.py

@@ -410,7 +410,7 @@
        results = speech2text(**batch)
        if len(results) < 1:
            hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
            results = [[" ", ["<space>"], [2], hyp, 10, 6]] * nbest
            results = [[" ", ["sil"], [2], hyp, 10, 6]] * nbest
        time_end = time.time()
        forward_time = time_end - time_beg
        lfr_factor = results[0][-1]