watson speech to text degraded accuracy in continuous mode -


in sample 1 minute audio clip of clear, quality audio, seeing strange transcription accuracy behaviour.

accuracy expected first 45 seconds or couple of stray words last 15 seconds. audio still clear , understandable.

but... if clip last 15 seconds , send transcribed accurately... heck going on here? context of full clip somehow messing up?

{     "created": "2017-07-28t11:53:29.584z",     "id": "5f5f9f00-738b-11e7-8e0f-f3176d375982",     "updated": "2017-07-28t11:54:03.398z",     "results": [{        "result_index": 0,        "results": [           {              "final": true,              "alternatives": [{                 "transcript": "everybody's see many folks in chambers today never know who's going join welcome i'm city councillor marianne lead ward , %hesitation chair of today's committee of whole %hesitation first read safety notice think gonna on screens there %hesitation in event of emergency please evacuate council chambers narrow staircase located through doorway marked exit , obey instructions given clerk ",                 "confidence": 0.848              }]           },           {              "final": true,              "alternatives": [{                 "transcript": "if assistance required please see clerk , once you've evacuated building please gather in civic square outside of city hall ",                 "confidence": 0.948              }]           },           {              "final": true,              "alternatives": [{                 "transcript": "so thank media here today %hesitation in person , public attending , remind ",                 "confidence": 0.959              }]           },           {              "final": true,              "alternatives": [{                 "transcript": "person ",                 "confidence": 0.608              }]           },           {              "final": true,              "alternatives": [{                 "transcript": "the proceedings on ",                 "confidence": 0.878              }]           },           {              "final": true,              "alternatives": [{                 "transcript": "and archived ",                 "confidence": 0.675              }]           }        ]     }],     "status": "completed"  }

{     "created": "2017-07-28t11:58:25.384z",     "id": "0faf1e80-738c-11e7-8e0f-f3176d375982",     "updated": "2017-07-28t11:58:32.559z",     "results": [{        "result_index": 0,        "results": [           {              "final": true,              "alternatives": [{                 "transcript": "us today in person , public attending , remind if can't out in person can catch ",                 "confidence": 0.945              }]           },           {              "final": true,              "alternatives": [{                 "transcript": "the proceedings on live webcast ",                 "confidence": 0.859              }]           },           {              "final": true,              "alternatives": [{                 "transcript": "and archive ",                 "confidence": 0.731              }]           }        ]     }],     "status": "completed"  }

difficult going on without looking @ audio stream, can please share audio file through bluemix customer support? https://support.eu-gb.bluemix.net/gethelp/ take @ it.


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