digital sound processor for android

possible. The reference microphone is placed at the top or top of the mobile phone back, that is, close to the user's ears, in this way, in hand-held mode, there is enough difference between the signals picked by the two microphones in the near-end voice digital microphone array, while there is no difference in far-away noise, using a digital voice processor FM3

Android Digital Signature Learning Note Posted on2010-01-17 18:38Feisky Reading (20834Reviews4) Edit FavoritesIn an Android system, all applications installed to the system must have a digital certificate that identifies the author of the application and establishes a trust relationship between the applications, if a p

In an Android system, all applications installed to the system must have a digital certificate that identifies the author of the application and establishes a trust relationship between the applications, if a permission ProtectionLevel is signature, Then only applications that have the same digital certificate as the program where the permission resides can get t

Android Digital Signature Learning notesIn an Android system, all applications installed to the system must have a digital certificate that identifies the author of the application and establishes a trust relationship between the applications, if a permission ProtectionLevel is signature, Then only applications that ha

Http://www.cnblogs.com/feisky/archive/2010/01/17/1650076.html In Android, all applications installed on the system must have a digital certificate used to identify the author of the application and establish a trust relationship between the application, if the protectionlevel of a permission is signature, only applications with the same digital certificate as th

The audio system in Android is using the ALSA system architecture. Asoc--alsa System on Chip, is built on the standard ALSA drive layer, in order to better supportA software system for audio codec in embedded processors and mobile devices, ASOC is divided into three parts: machine, platform and codec in audio device drivers.Codec part: Responsible for audio decoding, this part of the code is completely non-platform-independent (the device is provided

I. Overview of I2SThe I2S (Inter-ic sound) bus is a bus standard developed by Philips for audio data transmission between digital audio devices, a bus dedicated to theData transfer between the two. A digital audio interface consisting of 4 lines, commonly used in HIFI,STB portable devices. Tx and RX signal lines are used for audio transmission. While the bit cloc