It is unnecessary for the customer to select cell phone jammer

If the needed shielding range is very big, it can be realized by installing several  cell phone jammer .
For example, in a moment is defined as the piano track record of the above mentioned 1,3,5 consisting of chords, then the chip query the sound library to get the corresponding audio, and then synthesis, play. The space occupied by these information is very small, up to tens of K, is very suitable for such occasions with a small storage space for mobile phone (different formats polyphonic ringtones only increased a number of special effects or encrypted information, in essence, is actually a MIDI file). Phone record music with MIDI in the same or similar. Recorded in the whole tone, and complex chords sound record. That being the case, why our mobile phones is still so appealing? Since I can not press the piano, "135". cell phone jammer  runs stably in the practical use in central government agency secrecy units and state agency secrecy units.
Then three piano according to 1,3,5 not to be the fact the phone chord precisely this way to achieve this chord, although not as good as the real chords nice, but the release from the cell phone out of it almost like genuine a. This chords on an instrument n instrument mono process, known as the "chord decomposition. Just look at the MIDI editing software can be found, one which is often a lot of the same sound tracks, each track is mono. Ringtones can be broadly divided into monosyllabic ring tones, three chords, chords, 16 chords, 32 chords, 40 chords, 64 chord such as ringtones. Phone 16 polyphonic 32 polyphonic 40 chord "," 64 chord ". HTCX-100A is the small-type directional  cell phone jammer .
In fact, refers to the "polyphony". The precise definition should be 16 polyphonic ring tones, 32 polyphonic ringtones. The so-called "polyphony" refers to the number of MIDI music can be issued at the same time sound. Monophonic and polyphonic ring tones sound quite different; four polyphonic ringtones and 16 polyphonic sound too single book, the difference is relatively large, 40 polyphonic and 32 polyphonic ringtones difference is not big, and 64 polyphonic and 40 polyphonic difference is big. In short, three-chord, four chord is a grade; 16 chord is a grade; 32 polyphonic 40 chord is a grade; 64 chord is a grade. The mainstream polyphonic cell phone In addition to support the MIDI format, but also their respective support a variety of other audio formats such as WAV, MMF, MP3 and other. 2 outdoor warfield-type directional  cell phone jammer  should be adopted.
Have different characteristics and backgrounds of these audio formats: WAV: WAV (Waveform Audio), WAVE file extension resource format is Microsoft's audio information stored on the Windows platform. WAVE is one of the stored digitized voice data file format on the PC. Produced by the common CD player is digital sampling technology, just not documented. Therefore, WAV audio sound quality is comparable with CD quality. WAV format audio that comes with Windows Media Player to play it. means the specific installation position of  cell phone jammer .It is unnecessary for the customer to select cell phone jammer