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cheap mp3 players---->mp3 playerchooses 15 methods of skill--two
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playerchooses 15 methods of skill--two
5.Forms supported:
MP3 form is the commonly most used, it supports the sampling rate to be 44.1KHz, one bit of rates that can be used is generally 8-256Kbps.
Different MP3 products are not the same to sampling rate and one bit of support ranges that lead, the wider the range that is certainly supported
is, the better the range that is certainly supported is, to the sampling rate, better products can support to 48KHz. As to the dynamic code VBR, can
make the volume of the file smaller under the equal tone quality, some machines can't be supported.
WMA is a kind of form that Microsoft popularizes, the compressing rate is generally in 5-192Kbps. Under the same tone quality, WMA can be
smaller than the volume of MP3 form file, so there is HTML clipboard mp3 players---->mp4 player--->mp4 players
MP3 player of this function that is equal to increasing its capacity of memory in a disguised
form. Remind friend, use Windows attached WMP at the zipped file, need to select and removing copyright protection, otherwise WMA file
pressed out is unable to broadcast on MP3; Through encrypt, can appear situation that can broadcast too probably from WMA file of download
from the website with player to support WMA.
As to other forms, for instance ASF, WAV,etc., it is handy not to all have MP3 and WMA form, from the practical viewpoint, it is not essential.
6.FM frequency modulation function:
Market a lot of MP3 products in order to raise the function, develop FM frequency modulation function of machine, can receive FM frequency
modulation program that the ordinary radio received, and can preset a lot of radio stations, HTML clipboardwholesale mp4 players--->iPhone Accessories
even record and produce the music in the radio
station. This is to liking hearing the friend of the broadcast program, it is a very good creation, but for interest does not hear the users of radioing,
it is a lot of MP3 with FM function getting expensive to choose the price, have nothing essential.
7.EQ sets up:
Get the establishment of the sound result. Nearly each products will have several kinds of sound results that has already presetted to set up, if
ordinary, rock, knight, prevailing, classical. Some MP3 still supports the self-defining sound result to be set up, users can follow one's own taste to
customize. But have no liquid crystal to reject the products revealed, these EQ will not almost exist when being set up, have itself a kind of sound
result mode solidified only. Very loyal to some like this to love the friend of the music result of individual character to seem a bit cruel.
8.Systematic procedure:
The systematic procedure of MP3, is very important to machine, it can solve MP3 and use all software problems in the course, will play an
essential role too in the stability of the system. In addition, some MP3 products can upgrade and solve some BUG through the firmware, or
increase some new functions, so if can support this function to be best. Certainly there are relations greatly to the development pace of the
firmware with the producer in this.
9.Frequency responds the range:
The sound frequency range that people's ears can be heard is 20-20000Hz, lower than 20Hz and higher than the sound of 20KHz being all
distinguished out by ears of people. It is at 50Hz between 18KHz in range is it loud to be but frequently,should on can with,should can have
reached present MP3 by the ranged loud frequently HTML clipboardiPhone Accessory---->iPod accessories. But the loud range and sampling rate are different frequently, don't obscure.
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15:01
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16.7.2008
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