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【[Concept】
Also called audio converter, MP3 radio transmitter car MP3 car stereo or multi- partner so that it can with ordinary MP3 player MP3 car audio systems composed .
21st century belongs to the emerging car audio products
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【Term works】
The various types of portable music devices such as MP3, CD, MD , etc. The output of the audio signal to the wireless transmitter way to the car FM stereo radio transmitter device, the owner simply set the car radio frequencies car MP3 frequency , or let the radio the frequency of the search can be carried out to play.
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【1 Press Category term power supply】
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1 [ car cigarette lighter -type MP3]
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2 [ with battery type Car MP3] ( the 7th battery or coin cell )
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【2 Press classification terminology audio source】
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1 [ independent audio interface TFT MP3]
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2. [U disk Car MP3]
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3 [ Car integrated MP3 player ]
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【3 Press Line classification terminology】
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1 [ Wired ]
Refers to the decoded audio signal to a transmission line by way of the car audio playback .
In this way the noise is small , if you have high demands on sound quality , they know or have someone install audio conversion , you can use this way.
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2 [ wireless ]
MP3 audio signal output mode wireless FM transmitter to car stereo equipment for playback.
By eliminating the need to connect and modification, for a variety of models, has become the mainstream of the market.
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【Development of the term】
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The first generation
Is relatively simple plug in the cigarette lighter , the product line to take power through the cigarette lighter ;
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The second generation
Car MP3 phones are portable size , in addition to better sound quality, greater capacity
The main sign is voice control, better adapted to the security needs of motorists .
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Compare term
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1 [ sound ]
The first generation in particular, some low-priced products , in order to save costs , the use of a simple transmitter circuit , the sound quality will inevitably have a greater noise.
The second alternative is the most advanced specialized transmitter chip , ensuring a better sound quality.
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2 , [ life ]
The first generation of the biggest risks is the problem of voltage surge damage caused due powered by the cigarette lighter , cigarette lighter design only , and no regulation measures , so the car starts often have strong voltage shocks.
Experts warn owners when the car ignition , car MP3 Do not plug in the cigarette lighter , or may cause overvoltage burn.
If full compliance with the manufacturer's requirements , it would need to repeatedly plug , sometimes several times along the way, we should plug , over time can easily result in vehicle damage MP3 or cigarette lighter .
Since the use of the second generation and independent cigarette lighter , there is no problem of short-lived .
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3 , [ memory ]
The first generation of some only 128M of memory, can only store a few dozen songs.
The second generation are more than 1G of memory , can store at least three hundred more songs.
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4 , [ frequency range ]
The first generation of some only two or three frequencies , once encountered a local wireless signal conflict will not play.
The second generation has 200 frequency points , there is room for random selection.
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5 , [ Affordable sex ]
The first generation can only be inserted in the car using the cigarette lighter
The second generation of the car off the wireless transmitter , plug in headphones, there is a regular voice MP3 song selection , with greater value.
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6 , [ voice song selection ]
Voice control technology through the development of recent years , considerable progress has been made into a very practical stage.
Voice song selection is the second generation of the salient features , just say the song , one, within two seconds to select the song aired in hundreds of song , song selection make driving easier and safer.
We can say that the voice selected song is the second generation of the most competitive advantage
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7 , [ high-value ]
Since the application of voice technology, the second generation will have more additional features
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【Article is excerpted from: Web Search】
【Reserved Integrate / Just Reference】
【Translation is by The Network】
