Android音频采集的相关内容

文章 2023-09-03 来自：开发者社区

Android平台GB28181设备接入侧音频采集推送示例

技术背景GB/T28181是广泛应用于视频监控行业的标准协议规范，可以在不同设备之间实现互联互通。今天我们主要探讨Android平台的Audio采集部分。先说如何拿到数据源，在Android平台上采集音频，常用的方式如下：1. 使用MediaRecorder类：MediaRecorder类提供了一组API，可以用于录制音频。您可以使用MediaRecorder.AudioSource.MIC来源....

阿里云文档 2023-09-03

如何使用Android端音频智能降噪

推流SDK升级到4.4.9及以后版本，提供了音频智能降噪功能，您可以根据实际场景使用该功能完善推流使用体验。通过阅读本文，您可以了解Android端音频智能降噪的使用方法。

文章 2022-12-31 来自：开发者社区

音视频开发进阶指南(第六章)-Android平台的音频采集-AudioRecord

Android SDK提供了两套音频采集的API，分别是:MediaRecorder和AudioRecord。前者是一个更加上层的API，它可以直接对手机麦克风录入的音频数据进行编码压缩(如AMR,MP3等)，并存储为文件；后者更加接近底层，能够更加灵活地控制，其可以让开发者得到内存中的PCM音频流数据。如果想做一个简单的录音机，输出音频文件，则推荐使用MediaRecorder；如果需要对音频....

阿里云文档 2021-03-30

Android如何获取音频数据

RTC SDK提供了获取音频数据的功能，您可以将获取到的语音数据根据实际需求进行处理。通过阅读本文，您可以了解到获取音频数据的方法。

文章 2021-02-05 来自：开发者社区

NDK Android OpenSL ES 音频采集与播放

作者：字节流动来源：https://blog.csdn.net/Kennethdroid/article/details/86418725OpenSL ES 是什么？OpenSL ES 是一个针对嵌入式系统的开放硬件音频加速库，也可以将其视为一套针对嵌入式平台的音频标准，全称为： Open Sound Library for Embedded Systems ，它提供了一套高性能、低延迟的音频....

文章 2018-12-28 来自：开发者社区

Android 音视频入门之音频采集、编码、播放

今天我们学习音频的采集、编码、生成文件、转码等操作，我们生成三种格式的文件格式，pcm、wav、aac 三种格式，并且我们用 AudioStack 来播放音频，最后我们播放这个音频。本篇文章你将学到: 1.AudioRecord 音频的采集 2.生成 PCM 文件 3.PCM 转化为 WAV 文件 4.PCM 转化为 AAC 文件 5.附上正常运行 demo 源码 6.深入进阶技...

文章 2017-11-12 来自：开发者社区

android音频采集

1：创建一个AudioRecord类 AudioRecord *mpAudioRecord=new AudioRecord(); 2：设置采集参数 2.2版本： mpAudioRecord->set(AUDIO_SOURCE_DEFA...

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更新时间 2023-09-05 03:30:25

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