| 摘要 |
It is disclosed that in a content distribution system a speech-to-text convertor can be used for the conversion of at least a part of a particular data stream to text data. The text data can be used for triggering a set-top box to select the particular data stream to which the text data is associated. The text data can be provided to a trigger receiver that determines whether the text data matches with an entry of a trigger table. In the case of a match the set-top box is instructed to select the particular data stream.
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