android audio analyzer

Audio this aspect is very profound, I certainly can not speak what advanced things, at most also just some basic knowledge, first, we want to introduce Android he provided the recording class, in fact, he has two, one is Mediarecorder, There is another one that we are going to use today, what is the difference between them? Audiorecord I. Distinction Mediarecorder and Audiorecord can record

My Android advanced tutorial ------) Android implements music oscilloscope, balancer, bass, and audio field functionsThis example is from crazy Android handout. To implement specific functions, you need to understand the following APIs: MediaPlayer Media Player Visualizer spectrum Equalizer balancer BassBoost bass cont

Android Audio Analytics1 Android Audio System framework? Multimedia framework:The multimedia framework is responsible for encapsulating the playback/recording class, connecting the Android audio decoding library for

Android calls the built-in recording audio program Android has its own Audio recording program. You can specify an Action MediaStore. Audio. Media. RECORD_SOUND_ACTION Intent. Start it. Then, in the onActivityResult () method, retrieve the Intent Data, which is the URI of t

Long time no article, in fact, is to record their own development in the Android growth process. Talking about the audio and video this piece, for the novice just contact this piece, it is very very disgusting ~ I myself get this piece is also from the beginning, in the Internet also read countless information, browse countless blog, tried a variety of methods, online general method is adopted third party,

1:7 Mouth 8 TongueSpeakers, headphones, and earpieceIs by: Audiomanager.setmode (audiomanager.mode_in_communication)Audiomanager.setspeakerhponeon (boolean value). These two are set. But some don't seem to support it.Switch speaker and handset on the M phone cannot switchAndroid Audiotrack Audio Playback analysisWhen the audio resource is playing, there are frequent conflicts, such as when the music is play

Basic knowledge about Android audio Development Let's start with a piece of gossip. Some time ago I had a sentiment: Android development is not a way to go. It is just a platform that provides many encapsulated APIs, this allows you to quickly develop applications for specific services. The real value lies in the integration of

Audio terminologyIn this DOCUMENT Generic Terms Digital Audio Hardware and Accessories Audio Signal Path Android-specific Terms Sample Rate Conversion This document provides a glossary of audio-related terminology, including a

MediaPlayer wake-up lockGenerally, MediaPlayer is used to play audio streams. We recommend that you use a Service to carry MediaPlayer instead of directly using it in the Activity. However, in the Android system's power consumption design, to save battery consumption, if the device is in sleep state, the system will try to reduce or disable some features that are not required by the device, including the CP

By default, the sampling rate of Android sound is fixed to 44.1 kHz, and the recording sampling rate is fixed to 8 kHz, therefore, the underlying audio device drivers only need to set these two fixed sampling rates. If the sampling rate transmitted from the upper layer does not match the sampling rate, the android framework layer performs resample processing on t

Android calls your own recorded audio program Android has its own audio recording program, we can specify an action MediaStore.Audio.Media.RECORD_SOUND_ACTION intent to Just start it up. Then, in the Onactivityresult () method, get the intent data, which is the corresponding URI of the recorded

Address: http://mp3.zol.com.cn/252/2524723.htm The rapid rise of Android system, surpassing iOS and Symbian, has become the largest smart device operating system. Its share is also expanding rapidly, and a large number of multimedia devices will adopt this system, is Android suitable for the operating system of audio and video devices? Let's take a look at th

Two audio recording methods for Android In mobile APP development, every time an APP is designed for multimedia development, many programmers will suffer, and the project development progress will slow down And the APP testing will increase. Multimedia Development in Android includes audio playback,

Android 4.1, abbreviated as JB. In Chinese eyes, the word JB is also related to animals. Google modified android so frequently, and finally launched a version that can be put on the mouth of JB all day long. In the future, my articles can also use JB to express the version number, while JB to express what Chairman Mao often said, "Strategic contempt". Please try to understand my mood for writing the word JB

This article translated from: http://developer.android.com/training/managing-audio/audio-focus.html It is vital to consider how to interact with multiple potential audio playback programs. To avoid simultaneous playback of each music player, Android uses audio focus to contr

other factors, the resulting audio files may have a certain degree of distortion, in addition, audio and video codec can be done by pure software, but also by the use of specialized hardware chip to complete. Playback process Remove the relevant files from the storage device and decode them according to the encoding used in the recording process. The