audio recorder app android

Lab Report Course Name Mobile Internet development based on Android platform Date of experiment April 15 Name of the experimental project Play audio and video in the app Location of the experiment S3002 Type of experiment -Verification Type √ design type-comprehensive type Hours

items. Click "Preview" Note: It is best not to place your project in the Chinese path. Otherwise, an error will occur during rename. I started to put the error in the Chinese path for a long time before I found the error! 4. Delete this sentence in the AndroidManifest. xml file. (Android: sharedUserId = "android. uid. shared ") In this case, I used launcher 2.3 to perform the experiment. The result is OK

The video recording function is coming soon. In AndroidSDKThere are related classes: Android. Media. mediarecorder, of course, because the simulator does not provide the necessary hardware facilities, it cannot be implemented during the learning process. Media can play files from anywhere: an actual file resource, a file in the system, or an available network link.The following describes howTo play an available media

Lab Report Course Name Mobile Internet development based on Android platform Date of experiment April 15, 2016 Name of the experimental project Play audio and video in the app Location of the experiment S3010 Type of experiment -Verification Type √ design type-comprehensive type Hou

Lab Report Course Name Mobile Internet development based on Android platform Date of experiment 4.15 Name of the experimental project Play audio and video in the app Location of the experiment S3010 Type of experiment -Verification Type √ design type-comprehensive type Hours 1

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

(mynoisyaudiostreamreceiver);}Iii. typical scenario for audio output channel switching--unplug headphones when listening to music with headphonesWhen listening to music, the headset does not unplug the timing diagram as follows:In the diagram: Audionoisy client registered for listening broadcast audiomanager.action_audio_becoming_noisy[step#1 ~ #2]; Always listen to music with headphones; Headsetobserver has been monitoring the chang

Lab Report Course Name Mobile Internet development based on Android platform Date of experiment April 21, 2016 Name of the experimental project Play audio and video in the app Location of the experiment S3010 Type of experiment -Verification Type √ design type-comprehensive type Hou

Lab Report Course Name Mobile Internet development based on Android platform Date of experiment 2015.4.16 Name of the experimental project Experiment 6 play audio and video in the app Location of the experiment S30010 Type of experiment -Verification Type √ design type-comprehensive type

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

within Audioflinger responsible for sample rate conversion. Audiotrack The primary low-level client API for sending data to an audio output device such as a speaker. The data is usually in PCM format. The API is defined at Android.media.AudioTrack. Client Usually same as application or app, but sometimes the ' client ' of Audioflinger is actually a thread running within the Med Iaserver system

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

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

This article original from Http://blog.csdn.net/voipmaker reprint annotated source.WEBRTC provides real-time, web-based audio and video data interoperability, but WEBRTC can also run as a native app on a mobile platform, WEBRTC is a set of media frameworks, implemented in C + +, and officially ported to mobile platforms, including Android,ios, Platform-correspond

: default_sample_rate, // recording sampling rate, fixed to 8 kHz Latency: 250000, // desired delay in USEC Buffersize: 2048, // desired number of samples Modprivate: 0, }; I have talked about the audio resample method like android on the Internet, which leads to poor sound quality. It is not very difficult to modify it. I will try again later. Idea: First try the upper-layer recording sampling rate t

R.ID.BTN1://Calling the Android audio recording app with its own Intent Intent = new Intent (MediaStore.Audio.Media.RECORD_SOUND_ACTION); Startactivityforresult (Intent, 0); Break Case R.ID.BTN2: Using the Mediarecorder class to implement your own audio recording program Intent Intent2 = new Intent (); Intent2.

During the first Android development, I realized such profound version differences for the first time. My audiorecordCodeThe test was successful at Samsung s5670. Xiaomi, duowei d210t test failed. The error message is as follows: 04-01 12:58:44. 368: E/audiorecord (19808): cocould not get audio input for record source 1 04-01 12:58:44. 368: E/audiorecord-JNI (19808): Error creating audiorec

This article is the seventh article in my "Android Audio development" series, the previous article generally describes the basic overview of the Android OpenSL ES API, which tells you what the framework has, what you can do, and what you can't do. This article focuses on some of the key design and concepts of the OPENSL ES framework and its API interfaces, so tha

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