Android :: Audio Record And Play Recorded Audio

Jun 2, 2009

Could you please let me know how to do the audio record in android emulator and play the same recorded audio. Could you please help me in proceeding in development.I tried with MediaPlayer API's also.Its not working.

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Android :: Record Audio Uncompressed / Want To Record Audio From Microphone

Jan 17, 2010

I have searched the whole group but wasn't able to find a answer for my problem.I want to record audio from the microphone, apply some audio signal processing and than save the processed audio data in a compressed format.I figured out, how to record audio uncompressed but now I wonder if I can use some api functions to store this data in a supported compressed format.

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Android :: How Can I Apply An Audio Effect To Recorded Audio?

Oct 17, 2010

I want to record a sample from the microphone, then I want to play the recorded file maximizing the volume and apply some audio effect, like modifing sample rate or addind an echo.Waht is the best way? is there an example?

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Motorola Droid : How To Play Audio From Phone Through RR Audio System?

May 5, 2010

I connected my phone via USB to my RR sport to upload audio files to the RR hard drive. However, I keep getting connection error. Apparently my device is not being recognized as a storage. I did the unmount thinking. Also, I am wondering how I can play audio from my phone through the RR audio system.
RR is 2010.

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Android :: Modify Audio Recorded With Microphone?

Sep 28, 2010

How do i get access to the audio recorded by the microphone before it is accessed by the other applications.

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General :: HTC Desire 500 - Audio Recorded In Low Volume

Jan 29, 2014

I have a problem with my desire 500, I think it's a bug of jelly beans 4.1.2, records video with sound and voice messages with very low whatsapp are at a very low volume. I have tried others and have the desire 500 styesso bugs. is a problem of htc or jelly beans 4.1.2?

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Android :: Recorded Audio Not Found In Music Application

May 13, 2009

Now when I recording a file using sound recorder. But I cannot find it in the application of Music. When I reboot, I can find it in the Music.

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Android :: Add An Indicator Which Shows Volume Of Recorded Audio?

Mar 18, 2010

I have an application that records audio and i want to add an indicator which shows the volume of the recorded audio ( in real time ). Any ideas how to do is.

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Samsung Epic 4G :: Distorted Audio Quality Of Recorded Videos

Nov 17, 2010

I recently took my Epic to a concert and recorded some videos. The picture quality of the videos was OK but the audio was amazingly distorted. There was a lot of bass at the concert which greatly I assume distorted the entire videos sound. I am greatly disappointed as I cannot listen to the songs cuz the sound so bad! Is that normal?

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Media :: Recorded Video Audio Quality / Sound Unclear

May 24, 2009

As per title, recorded video sound is very bad on my Magic - the sound is very unclear, with a lot of disturbances etc is this normal or did I get a faulty phone.

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Android :: Store Recorded Audio File In SD Card In Emulator?

Feb 27, 2010

i am working n audio recording. i can store the file using file.getAbosolutPath() mehtod. it stores the file in path: /data/data/com.example.audio_demo/files/output.amr i wann store that in SDCARD.iso and how retrive that and play.

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Motorola Droid :: Can't Send Recorded Audio / Should I Reinstall Messenger To Fix It?

Mar 24, 2010

I have ultimate droid "newest" and helix launcher, and im having a problem where it wont let me use the option to attach recorded audio in a text message. it just force closes every time. even if i try to send it by finding the file in astro and clicking send to message. it just force closes, any fixes or anyone else have this problem.

restarting it didn't fix it.

should i reinstall messenger? how?

and is there a way to select multiple contacts from a contact list to send a forwarded message to? like on normal vzw phones "not smart phone" or is typing the persons name the only thing you can do.

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Android :: Play Remote Audio File In Android Audio Player

Nov 12, 2010

I am working on a application that would allow users to play remote files. My question is how do I open those remote files to be played in the default android player?but this does not give me control of what is happening!

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General :: How To Improve Audio Bitrate / Quality In Videos Recorded By Mobile

Sep 14, 2012

I wanted to know if it is possible to improve to improve audio recorded during a video??

I mean I can record video at 720p 25 fps, but the DAMN audio gets recorded at 12 kbps!!

It's just tinny and annoying sound cuts up all the time.

So it is it possible to increase the bitrate of audio via modifying some system file or changing some parameters in phones hidden settings or something like that?? my phone is a Chinese Zopo PILOT ZP100. .

btw, When I use Sound / voice recorder, it records in 3gppp at high setting with 127 kbps AAC audio.

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Possible To Self Audio Record

Apr 11, 2014

I am trying to run some audio tests on smartphones. what i want to do is to generate a tone from the phone's speaker AND record it by the same phone's microphone at the same exact time.the tone generations runs pretty well, but is it possible to self record?

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Android :: How To Record Audio Stream?

Mar 10, 2009

I want to send audio stream to internet directly, instead of store in the file. But the output of MediaRecord only supports file by seting setOutputFile(String path) , not OutputStream. Is there any methods to do this?

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Android :: How To Record Audio Using Droid 1.5

Jun 7, 2009

How do I record some audio using Android?

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Media :: Record Audio Into Ogg Format?

Dec 20, 2009

How to record audio into ogg format?

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Android :: How To Record An Audio Using Blue Tooth?

Jul 22, 2010

Is it possible to record an audio (not a phone call) using the blue tooth input and not the device microphone? I am able to playback whatever am saying through device's mic but not able to figure out how to use the blue tooth mic instead. Any assistance would be greatly appreciated.

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Android :: Audio Record Using Droid NDK / Access And Use It?

Jul 21, 2010

I try to record audio using android ndk. people say I can use "frameworks/base/media/libmedia/AudioRecord.cpp". but it is in kernel. how can I access and use it?

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Android :: Record Audio In Droid - Put On Pause?

Aug 20, 2010

How to put on pause? I have not found such a function. There are other ways?

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Android :: Application (way) To Record FM Audio On Droid Inc?

Jul 7, 2010

Does anyone know of a way to do this? I have a FM audio stream that I want to record to a digital audio file.

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Android : Mp3 Encoder - Record Audio In Mp3 Format

Aug 2, 2010

I want to record audio in MP3 format in my android application. I know I can read PCM audio using the audioRecord class. Is there a java library compatible with android that will encode PCM to MP3? Is it possible to use the Lame mp3 encoder library?

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Media :: Possible To Record Audio / Video WHILE Playing Music?

Aug 11, 2010

i'm big into freestyling. i have over 1500 instrumentals on my phone.i can't figure out how to play them and record myself (either audio or video) at the same time.i figure i'm either gonna have to download a new music player that won't close or a video/audio recorder that won't close the "Music" player that came with my evo.and before anyone goes tryin to be smart, i realize that even if i was able to accomplish such an action the quality would probably be really low due to speaker and mic being so close.my intent is more of a "on the fly lyric composition" rather than a " put myself on youtube to show everyone how awesome i am"

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HTC EVO 4G :: Unable To Record Audio / Video - Low Quality Microphones

Oct 19, 2010

We have one of the crappiest microphones on any phone. I tried to record some audio/video with my camera and the freakin audio SUCKS! what gives? is there anything HTC/Sprint/we can do about this?

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Android :: How To Record Audio Input To Bluetooth Headset?

Jul 22, 2010

Is it possible to record an audio (not a phone call) using the bluetooth input and not the device microphone? I am able to playback whatever am saying through device's mic but am not able to figure out how to use the bluetooth mic instead.

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Android :: App That Can Record Digital Audio From Microphone Input?

Jun 19, 2010

1st. Are our phones (HTC Incredible) capable of digitally recording audio from a mic? For example, can I plug a microphone into the 3.5mm jack and start recording the audio. (given the hardware is capable) Which leads me to my next question, if so, is there an app for it? I searched and searched but couldn't find much info on it...

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Android :: Could Not Get Audio Input For Record Source / Solution For This?

Mar 29, 2010

I'm getting the above error message when i run below code. please let me know if you have found any solution for this? code...

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Android :: How To Send Audio Record Out In Real Time Mode

Oct 26, 2010

I can use AudioRecord to pull the audio data out. But the format is PCM, which is too huge to sent out through network. Does any one know how to change it to AMR ?

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Android :: Want To Record Audio In WAV Format / Phone Supports *.3gp - *.AMR Type

May 14, 2009

Now i want to record audio in WAV format. What should i do now because android only supports *.3gp or *.AMR type?

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Android : Need To Record Audio - Video Recording Files In 3gp / Mp4 Format

Jul 19, 2010

I need to record audio and video files in 3gp/mp4 format at the same file and same time.

When i run my application file is created with videofile.3gp but video does not record in sd card on the emulator.please let me clear one thing does video records on the emulator? if i run this code on android supported device do these error clear.
Please help me. I am new to this topic.please find the code and errors below.

package com.video;

* @copy Rights
* audio.java
* sample code for Eminosoft Developerworks Article
* Android development Team
* www.eminosoft.cm

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.provider.Settings;
import android.util.Log;
import android.view.View;
import android.widget.Button;

public class video extends Activity {

public MediaRecorder mrec = null;
private Button startRecording = null;
private Button stopRecording = null;
private static final String TAG = "SoundRecordingDemo";
File audiofile;
File video;
private MediaPlayer mMediaPlayer;}

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General :: How To Record Audio Via Bluetooth Headset Not Phone Microphone

Jan 25, 2013

I have a Galaxy Note 2 and can't figure out how to record via my bluetooth headset not via the phone mic. Tried 20+ apps that record great via the phone mic but not via my headset.

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Android :: Media Recorder Class To Record Audio / Permission Denied

Jun 4, 2010

I'm new in Android development and I have the next question/problem. I'm playing around with the Media Recorder class to record just audio from the microphone. I'm following the steps indicated in the official ://developer.android.com/reference/android/media/MediaRecorder.html
So I have a method that initializes and configure the Media Recorder object in order to start recording. Here you have the code:
//initializes audio recorder
//configure the input sources
mrecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
//set the output format
mrecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
//set the audio encoding
mrecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT)

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Android :: How To Record Audio From Mic In Raw Pcm Format Into A Buffer Using Native Libraries Directly

Oct 9, 2009

My application cannot handle the JNIE overhead, as I need to make 2 JNIE calls to the native C/C++ code for every 20msec. So I am trying to use the native media libraries and the realted C/C++ files provided by Android in the folder "//external/srec/audio/test" of the donut build. Ex. AudioHardwareRecord, AudioInRecord etc.. I am implementing all the calls in the native layer.

I am using the sampling rate as 8000 and want to read 160 samples (320 bytes) at a time.

I used the following values to create the AudioRecord..

CODE:..........

It says "success" after creating this interface but I am getting the error "Bad Value" if I am doing the InitCheck.

And it is crashing once I start reading the samples or if I try to retrieve the configured sampling rate.

Has anybody tried to access this native code?

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HTC Incredible :: Trying To Play Music - Says Unable To Play This Type Of Audio

Apr 28, 2010

I took out the 8GB SD card from my Blackberry Storm and put it the Incredible.

I had a bunch of music saved on my SD Card that I downloaded from VZW Music Media thing.

When I go to music on the Incredible and go over the song (it shows the picture of the album of the song)

it says "unable to play this type of audio"

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Motorola :: Android Player To Recognize Audio Tags On Lossless Audio Files?

May 23, 2010

Does anyone know if there is a way for either meridian or the regular android player to recognize audio tags on lossless audio files?

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Android :: Analog To IOS Core Audio / Audio File Stream Services?

Sep 22, 2010

Is there an Android equivalent to the iOS Core Audio / Audio File Stream Services? I need to be able to read audio bytes from a network and feed them to the audio system under my control, so I can do my own timeouts / reconnects / range requests / etc. without interrupting the audio playback (since the system audio thread would be playing audio already enqueued). It seems that MediaPlayer doesn't give me this level of control. Is there a lower-level framework that does, either in the SDK or NDK?

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Android :: Combine Only One Audio File From Two Audio Files

Oct 2, 2010

I want combine two audio files. (A audio file + B audio file = AB audio file)So, my search result is:

1. useing an AudioTrack.

2. decode PCM from audio file.

3. combine PCM.

This is currect? It there another way?

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Android :: Determining Audio Format Of Audio Files

May 8, 2010

Is there a way to determine the audio format of an audio file in Android? On normal java I do it like this:

File file= new File(...);
AudioInputStream stream = AudioSystem.getAudioInputStream(file);
AudioFormat format= stream.getFormat();

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Samsung Galaxy S :: Audio Codecs /can't Hear Any Audio

Jun 28, 2010

I have a 720p video that I am trying to play on GS. The image is amazing by the way. But I can't hear any audio (works fine on my PC). Anything wrong with the audio codec used?

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HTC EVO 4G :: Can't Play Streaming Audio From Web

Sep 19, 2010

My favorite TV and FM stations all have links on there websites for live streaming vidoe/audio. They all have Quicktime or Windows Media links but my Evo will not plahy them. I've tried several Radio apps on the Market but no luck with them either. Is this a planned fix or do I have to go back to to a I-phone or a windows based phone?

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HTC EVO 4G :: Random Audio Play?

Jun 6, 2010

For the past two nights at about 1am, and once yesterday a little before noon time, my EVO started to play a random voice call memo I had on my phone buried in the SD card from a previous Touch Pro2 phone. It woke me up obviously both times at 1am and the one in the afternoon was just plain embarassing. It plays for about 30 to 45 seconds and then stops on it's own.Advanced tak killer showed only the "Music" app running, but in going to that app, it still had my audio book paused.What hidden app do you think is doing this? Anybody else seen this happen?

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Sprint HTC Hero :: Possible To Play Audio Through USB?

Mar 9, 2010

Is it possible to play audio through the USB? My car stereo has both a USB and aux input, but I'd rather use the USB since it should keep the phone charged as well. I'd also like to do the same on my computer.If anyone know how to do this please let me know.

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Android :: Play Audio From Stream?

Feb 10, 2010

How to play audio from a stream in android? I will get input stream from an online link( like continuous FM). I need to cache the stream and play it. I searched a lot in sites,,,but didnt get.They show option of playing from a stored file. There is no option to play from a stream.

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Android :: Getting Audio To Play Through Earpiece

Jan 22, 2010

I currently have code that reads a recording in from the devices mic using the AudioRecord class and then playing it back out using the AudioTrack class.My problem is that when I play it out it plays vis the speaker phone.I want it to play out via the ear piece on the device.Here is my code:public class LoopProg extends Activity {
boolean isRecording; //currently not used
AudioManager am;
int count = 0;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
am.setMicrophoneMute(true);
while(count <= 1000000){
Record record = new Record();
record.run();
count ++;
Log.d("COUNT", "Count is : " + count);
public class Record extends Thread
{ static final int bufferSize = 200000;
final short[] buffer = new short[bufferSize];
short[] readBuffer = new short[bufferSize];
public void run() {
isRecording = true;
android.os.Process.setThreadPriority
(android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
int buffersize = AudioRecord.getMinBufferSize(11025,
AudioFormat.CHANNEL_CONFIGURATION_MONO,
AudioFormat.ENCODING_PCM_16BIT);
AudioRecord arec = new AudioRecord(MediaRecorder.AudioSource.MIC,
11025,
AudioFormat.CHANNEL_CONFIGURATION_MONO,
AudioFormat.ENCODING_PCM_16BIT,
buffersize);
AudioTrack atrack = new AudioTrack(AudioManager.STREAM_MUSIC,
11025,
AudioFormat.CHANNEL_CONFIGURATION_MONO,
AudioFormat.ENCODING_PCM_16BIT,
buffersize,
AudioTrack.MODE_STREAM);
am.setRouting(AudioManager.MODE_NORMAL,1,
AudioManager.STREAM_MUSIC);
int ok = am.getRouting(AudioManager.ROUTE_EARPIECE);
Log.d("ROUTING", "getRouting = " + ok);
setVolumeControlStream(AudioManager.STREAM_VOICE_CALL);
//am.setSpeakerphoneOn(true);
Log.d("SPEAKERPHONE", "Is speakerphone on? : " + am.isSpeakerphoneOn());
am.setSpeakerphoneOn(false);
Log.d("SPEAKERPHONE", "Is speakerphone on? : " + am.isSpeakerphoneOn());
atrack.setPlaybackRate(11025);
byte[] buffer = new byte[buffersize];
arec.startRecording();
atrack.play();
while(isRecording) {
arec.read(buffer, 0, buffersize);
atrack.write(buffer, 0, buffer.length);
arec.stop();
atrack.stop();
isRecording = false;
As you can see if the code I have tried using the AudioManager class and its methods including the deprecated setRouting method and nothing works, the setSpeatPoneOn method seems to have no effect at all, neither does the routing method.Has anyone got any ideas on how to get it to play via the earpiece instead of the spaker phone?

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