android audio stream 6是什么类型
时间: 2023-06-19 08:04:13 浏览: 54
Android Audio Stream 6 是指 Android 系统中的音频流类型之一。具体而言,它是一个用于音乐播放的音频流类型,对应于 AudioManager 中的 STREAM_MUSIC 常量。在 Android 设备上,不同的音频流类型可以被分别控制音量大小,比如 STREAM_MUSIC 用于控制音乐播放的音量大小,而 STREAM_RING 用于控制来电铃声的音量大小。
相关问题
android audio
Android provides a comprehensive set of APIs for working with audio on mobile devices. Some common use cases include:
1. Playing audio files: The MediaPlayer class can be used to play audio files such as MP3, WAV, and OGG.
2. Recording audio: The MediaRecorder class can be used to record audio from the device's microphone.
3. Streaming audio: The MediaPlayer class can also be used to stream audio from a remote server.
4. Audio effects: Android provides a set of built-in audio effects such as equalization and bass boost that can be applied to audio playback.
5. MIDI support: Android includes support for MIDI playback and recording.
6. Audio routing: Android's AudioManager class allows you to control the routing of audio between different sources and sinks, such as speaker, earpiece, and Bluetooth.
There are many other features and capabilities in the Android audio framework, depending on your specific needs. You can find more information in the official Android documentation.
android AudioRecorder蓝牙音箱播放是录制音频
如果您想使用Android的AudioRecorder录制音频,并在蓝牙音箱上播放,请按照以下步骤操作:
1. 配置和准备录音器
创建`AudioRecorder`对象,设置音频源、采样率、声道数、编码格式等参数,并调用`prepare()`方法准备录音器。
2. 启动录音
调用`start()`方法开始录音。录音期间,将蓝牙音箱连接到Android设备,并将其设置为音频输出源。
3. 播放录制的音频
录音完成后,您可以使用`MediaPlayer`对象加载和播放录制的音频文件。在播放期间,音频将通过蓝牙音箱进行输出。
下面是一个简单的示例代码:
```
private AudioRecorder audioRecorder;
private MediaPlayer mediaPlayer;
private void startRecordingAndPlayback() {
audioRecorder = new AudioRecorder();
audioRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
audioRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
audioRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
audioRecorder.setAudioSamplingRate(44100);
audioRecorder.setAudioChannels(2);
audioRecorder.setOutputFile(getFilePath()); // 设置音频文件保存路径
try {
audioRecorder.prepare();
audioRecorder.start();
} catch (Exception e) {
e.printStackTrace();
}
mediaPlayer = new MediaPlayer();
mediaPlayer.setDataSource(getFilePath());
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.prepare();
mediaPlayer.start();
}
private void stopRecordingAndPlayback() {
if (mediaPlayer != null) {
mediaPlayer.stop();
mediaPlayer.release();
mediaPlayer = null;
}
if (audioRecorder != null) {
audioRecorder.stop();
audioRecorder.release();
audioRecorder = null;
}
}
```
请注意,这只是一个基本示例。您可能需要根据自己的需求进行更改和优化。