I forgot to mention: 2.3.4 On 19 Nov., 19:34, Harald <[email protected]> wrote: > Hi, my android and many others have a dangerous noise. This noise is > easy recognizable in the silent parts of audio files. Many people > think that this noise is not present in the load part of the audio > file. But, this is not true. The noise is always present and at a very > high level at a very high frequency! If you switch off the playback > and put the headphones away, you will (hopefully) recognize a pressure > and and whistle in your ears. > > This noise is dangerous and destroys your ears! Do not use headphones > on such android smartphone's!! > > 1) Is the reason of this noise the unfiltered output of the digital > amplifiers? - This would be very bad. - But I do not think that this > is the amp. My phone has a radio and the radio is not noisy and while > a call I can also not recognize a noise. That means, that.... > > 2) The audio decoder seems to be the reason. This sound logical if you > see, that almost every manufacturer has noisy headphone output. > > Again, this noise has a very high level. You can not fully recognize > the level due to the high frequency. But, the noise destroys your > ears! > > Does someone know something about the decoder and the developers?
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