Frequency setting of cell phone jammer is reasonable

Confirm the power supply switch of  cell phone jammer is in the off position.
Server GPRS data package on a GPRS network or the Internet up transmission similar to the IP phone, and then the other person's phone sent by the same principle, the other side of the phone to resolve GPRS data package, and then parse the voice packets last demodulation of digital signals into analog signals to drive speakers sound. Principle and classification of ring tones and polyphonic mobile phone ringtones is more than the effect of ring tones monophonic or polyphonic ring tone. Monophonic ringtones ringtones composed of a mono sound. All original phone monophonic ringtones monophonic ringtones outdated, but with the introduction of the chords. The blocking range of  cell phone jammer  has something to do with the installation position and height.
Chords and acoustic theory, a proper noun, refers to a group of sound combine according to certain interval relationships of three or more simultaneously or successively pronounce. Common junior chord small triads, chords, is a chord and so on. Traditional harmony stack as a chord constitutes the principle of three, usually at the same time to pronounce. When the sound on the piano press 1,3,5 when issued, is a junior one for the root chord. The chord benefits plump pleasant voice, expressive. Junior chord sounds very loud, and small triads euphemism. The vast majority of "polyphonic ringtones" similar to the computer composing MIDI files, and the help of some programs for the conversion, such as psmplay. The needed shielding range of  cell phone jammer can be met by selecting the appropriate installation position and height.The customer does not have a high requirement for the long time use of cell phone jammer 
In fact, MMF is the kind of MIDI files, works, in essence, MMF and MIDI or less the same. MIDI-based platform technology, mobile phone polyphonic number of MMF sound, the same stretch of WAV were transformed into MMF 16 polyphonic and 40 polyphonic MMF, compared to the latter sound quality is much better than the former . ADPCM: ADPCM can be referred to as ADP, this format is commonly used in MP3 players and cell phone recordings, it is actually an encoding format, the advantage is that the file smaller. However, if you require a higher sound quality of the human voice ringtones, ADP's performance certainly let you down. The fourth characteristic is the high cost performance of  cell phone jammer .
Just a recording of the main functions of audio formats, ADP can also handle some simple human voice, can face up to the level of complexity of the music or songs, the sound quality can only be described as appalling. In the production of ADP ringtones, in order to obtain the relatively best sound quality, WAV audio files should be used as needed to convert the source file. RTTTL (Ringing Tones Text Transfer Language) is a Nokia series phone ringtone formats, it automatically into multiple tracks of MIDI contains the notation display, and can be freely modified, deleted notes. Use of RTTTL the benefits of it in plain text format, store, transmit and modify easy, but the bad is not immediately listen. Frequency setting of  cell phone jammer  is reasonable.