TV common sense daily new knowledge: What are the voice recognition obstacles?

Voice technology has become a standard feature of many high-end TV products. Although voice technology can bring us certain benefits, we understand that one thing often needs to be comprehensively understood. We enjoy bringing new technologies to us. While enjoying pleasure, we must not ignore the shortcomings of its existence. Next, let's talk about the shortcomings of voice TV.

There are five main defects in speech recognition:

1. Recognition and understanding of natural language. First, the continuous speech must be decomposed into units such as words and phonemes, and secondly, a rule for understanding semantics should be established.

2. The amount of voice information is large. The speech mode is not only different for different speakers, but also different for the same speaker. For example, a speaker's voice information is different when he speaks casually and speaks seriously. The way a person speaks changes over time.

3. The ambiguity of speech. Different words may sound similar when the speaker is speaking. This is common in English and Chinese.

4. The speech characteristics of a single letter or word or word are affected by the context, so that the accent, pitch, volume, and pronunciation speed are changed.

5. Ambient noise and interference have a serious impact on speech recognition, resulting in a low recognition rate.

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