android mediarecorder audio example

Through the next study, we will understand the following three key knowledge points. In the original Flash program, the client creates a connection with the Flash Media Server through the RTMP protocol, and manages the list of online users on the Flash Media Server through mongodobject, communication between clients uses the Netconnection Call method to send video invitation-related information.Requirements You must first install the following products:Flash Professional CS5 Trial Purchase

network customers, for example, some overseas customers directly connected to the domestic server effect is not good enough, can consider through the TURN service to transit, thereby guaranteeing the quality of service;3 The use of UDP will involve network latency, packet loss, so to consider QoS, the main strategy includes:A jitter cache (jitter buffer) is used to eliminate the jitter characteristics of the network packet, and the packet is delivere

audiomanager.adjustvolume (audiomanager.adjust_raise, 0); (when the first argument passed is Audiomanager.adjust_lower , you can turn the volume down one unit, and when you pass in the Audiomanager.adjust_raise, you may turn the volume up one unit. ） C, GetMode () Get audio modeD, Getringermode () get the ring vibration mode public void Setstreammute (int streamtype, Boolean state) Mute or not mute the

Reprint Please specify source: http://blog.csdn.net/zhaokaiqiang1992Today, an open blog, found a friend sent me a private message, ask the following questions, so close this article, for its doubts.From this friend's question, we need to understand the following questions, in order to give him a good answer:(1) How can I get information about all the songs in my phone?(2) When the song file changes, such as adding and deleting operations, how to update the Media Library in a timely manner to obt

1.1 AudioflingerIn the above frame diagram, we can see that Audioflinger (hereinafter referred to as AF) is the core and difficulty of the entire audio system. As an audio hub in an Android system, it is also a system service that restarts (providing access to the upper layer) to the boot (to manage audio devices throu

http://blog.csdn.net/xuesen_lin/article/details/88050681.1 AudioflingerIn the above frame diagram, we can see that Audioflinger (hereinafter referred to as AF) is the core and difficulty of the entire audio system. As an audio hub in an Android system, it is also a system service that restarts (providing access to the upper layer) to the boot (to manage

How to compile the Opus audio codec library for AndroidThe Opus audio codec library is the next generation of the Speex audio codec library. It has made great progress in terms of codec performance and quality. Opus compilation is very simple, but the official did not provide a detailed Android version Compilation Guid

Because just contact COCOS2DX, a lot of knowledge point is not very clear, online download example program, in Win32 no sound, but transplant on Android have voice.Online check, is due to different platforms supported by different audio formats caused by the audio file to transcode.Reference Official Document: http://c

1.1 AudioflingerIn the above frame diagram, we can see that Audioflinger (hereinafter referred to as AF) is the core and difficulty of the entire audio system. As an audio hub in an Android system, it is also a system service that restarts (providing access to the upper layer) to the boot (to manage audio devices throu

{ theSampling_rates4800094 channel_masks Audio_channel_in_stereo the formats Audio_format_pcm_16_bit the Devices Audio_device_in_remote_submix the }98 } About } - Hs_usb {101 Outputs {102 USB_DGTL {103Sampling_rates44100|48000104 channel_masks Audio_channel_out_stereo the formats Audio_format_pcm_16_bit106 Devices Audio_device_out_dgtl_dock_headset107 }108 }109 } the USB {111 Outputs { the Usb_accessory {113Sampling_rates44100 the channel_masks Audio_channel_out_stereo

Package COM. example. test2; import android. media. audiomanager; import android. media. mediaplayer; import android. OS. bundle; import android. app. activity; import android. app. service; import

If you implement an audio file playback, the simplest way to provide the ability to play audio files in your application is to take advantage of the features of the built-in "music" app-even if you use the system's own or installed music player to play the specified audio file.This example is relatively simple, the fol

Recently, the project needs to use the audio and lyrics synchronization function. There is a single small function on the Internet, for example, the lyrics function for separately reading LRC files, mediaplayer and seekbar. I have not combined the methods, and the positioning and time point positioning are relatively accurate. Let's talk about some ideas about how to associate the lyrics of mediaplayer, see

Preparing Status and returns, while the internal playback engine continues to perform an unfinished preparation operation. started Status: media playback is in progress (Start ()), at which point the Seekto () method can be used to specify the location of the media playback; paused Status: Use the paused state in the started state can pause the playback of the MediaPlayer, after the pause can be changed back to started state by the start () method, continue to play; Stop State: the Stop () met

: Provides an average change to decode audio and video through the filter chain.Libavdevice: Provides abstract access to capture and replay devices.Libswresample: Implement audio blending and resampling programs.Libswscale: Implements color conversion and scaling programs.2. Environment configurationPaste Jnilibs and CPP from the downloaded project into the main folder of the project you createdI also need

: Provides an average change to decode audio and video through the filter chain.Libavdevice: Provides abstract access to capture and replay devices.Libswresample: Implement audio blending and resampling programs.Libswscale: Implements color conversion and scaling programs.2. Environment configurationPaste Jnilibs and CPP from the downloaded project into the main folder of the project you createdI also need

[1] mediaplayer for normal audio playback Mediaplayer plays normal audio files Mediaplayer = new mediaplayer (); Program example: /** [2] Using soundpool for short-term sound effects In Android development, we often use mediaplayer to play audio files. However, med

WEBRTC source code, the transmission and reception of video packets is taken as an example, and the implementation of Anck packet retransmission mechanism is deeply analyzed. The main contents include: SDP negotiation Nack, receiving end packet loss determination, NACK message construction, sending, receiving and parsing, RTP packet retransmission. The following are discussed in detail.I. SDP negotiation NACKThe nack is used as the RTP layer feedback

Given the ability to play an audio file, the simplest way to provide the ability to play audio files in your application is to take advantage of the features of the built-in "music" app-even if you use the system's own or installed music player to play the specified audio file.This example is relatively simple, the fol

I believe many people use mediaplayer to play Network Audio. The buffer between prepare and prepareasync is too slow. How can this problem be solved? Now we will provide a solution for hands-on testing and using it in actual projects.In this solution, the Framework vitamio (http://vitamio.org/) is used, the download page has a more detailed download project and introduction. Mainly Demo: https://github.com/yixia/VitamioDemo and dependency Library: htt