recording microphone for android

We've been in an article detailing some of the ways in which Android multimedia recording functions are implemented. This includes the implementation of the recording method. Today we can learn more about the specific Android recording distortion solution by introducing this

This article was reproduced from: http://blog.csdn.net/self_study/article/details/52965045Recently in the study of the relevant content of authority adaptation, the collation of the previous rights blog as follows:Android permission permissions and security mechanism resolution (on)Android permission permissions and security mechanism analysis (next)Android Hover window permissions for each model system ada

Android multimedia recordingProcedure for recording audio:1. Create a recording object2. Specify the recording device (initialization status)3. Set the bit rate of the recorded audio.4. Set the encoding format of the recorded audio.5. Set the location for storing the recorded audio6. Prepare the

Android mobile devices provide a lot of hardware for users to operate and many API interfaces for programmers to call. Java code calls C code to drive hardware devices, such a sophisticated set of implementation solutions. Just like single-chip microcomputer control requires many parameters, Android calls a hardware device also requires a lot of parameters, also known as parameters, which can be used to con

Video Recording and playback in Android To achieve a similar small video function, you can record a video and then play the video. Video Recording, using a custom control. /*** Video Recording Control ** @ author lip ** @ date 2015-3-16 */public class extends LinearLayout implements OnErrorListener {private SurfaceVie

recording audio is stored (specify the root directory of the phone sdcard, the file name is Music.mp3) Recorder.setoutputfile ( Environment.getexternalstoragedirectory (). GetAbsolutePath () + "Music.mp3"), try {//6, prepare for recording (ready state) Recorder.prepare ();} catch (IllegalStateException e) {//Todo auto-generated catch Blocke.printstacktrace ();} catch (IOException e) {//Todo Au To-generated

Recording operations on Android phones, converting to Gif images and androidgif Images I often see some dynamic images on others' blogs to demonstrate the Running Effect of my project. How do I perform screen recording and Gif image generation? Previously, I thought about how to use ** and other mobile phone software to record the mobile phone screen, and then u

============ Problem Description ============Android Development Board in hand, mic recording Go is i2sI'm using the audio recording software provided by Android itself soundrecoder.apkWhen recording, the small pointer that detects the sound seldom shakes, when my voice is h

of FFmpeg relay, according to the fastest encoding mode configuration parameters, you must remember to turn on the x264 multi-threaded encoding.x264 and FFmpeg both download newer and compile with options such as Asm,neon. (The author is a cross-platform compilation on Ubuntu)If recording the direct encoding video and audio speed can not keep up with the write temporary files, image encoding, sound directly stored PCM.In addition to the main thread o

we need to get. (int) (* math.log10(ratio)) The amplitude and volume size of the formula//base the value obtained by your own test, how do I get this worth? Turn on the microphone and don't speak to the microphone, while the value from the ambient noise is around 300 to 600 I got the benchmark value of 600. Handler.sendemptymessage (DB/5);}} Handler Handler = new Handler () {public void Handlemessage (Andr

Mediarecord can be used for recording in Android, which is easy to operate. However, it is not professional enough to Process audio. If you want to process audio in real time or encapsulate the audio You can use audiorecord for recording. Here is a piece of code. Audio Recording in audiorecord and audio encapsulation i

I am often asked how to calculate the volume during recording. The iOS platform has APIs that can be called directly, but there is no good method on the Android platform, so we have to calculate it by ourselves. The demand for volume calculation is because many applications want to achieve some animation effects based on the volume. Therefore, based on this requirement, we only need to change the volume va

Android recording 25-WebView for offline cache reading, android25-webviewAndroid recording 25-WebView for offline caching This blog is designed to provide offline download and offline reading functions, which are common in many reading apps. A typical application is Netease news. What is offline download? In fact, this concept is vague, whether it is downloaded o