Traditional Culture Encyclopedia - Traditional culture - Overview of automobile navigation
Overview of automobile navigation
1, DVD navigation for special vehicles: one for each machine (most of them need to remove the original car CD).
2. Universal type: various models can be retrofitted with frame.
3. Split machine: special navigation subdivision products for special vehicles, upgrade DVD navigation products, and do not need to disassemble the original car CD and other parts.
Second, according to the use of functional navigation classification:
1, traditional handwriting navigation
2. Voice navigation:
1), real voice navigation for secretarial services;
First, Bluetooth push-to-talk voice navigation
Advantages: directly connect the car navigation host with the Bluetooth of the mobile phone. After Bluetooth is connected for the first time, it will connect automatically in the future. Stable signal and reliable quality;
B, add a communication box for voice control navigation;
Disadvantages: the signal receiving module of the communication box is incomparable to the signal receiving module of several thousand yuan mobile phones. When the signal is bad, the mobile phone has a signal but the car navigation may not have a signal, causing more customer complaints. In addition, compared with Bluetooth push-to-talk, it needs to be equipped with a communication box and a telephone card, which is very troublesome;
2) Voice-controlled navigation and man-machine dialogue;
Disadvantages: the recognition rate of speech recognition software is not high;
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