Speex android jni, A couple of steps are involved if you don’t want to go the configure road with ndk r5b. While working with webrtc native development in Android, JNI Folder should include complete webrtc ndk stack for native development. It includes the Xiph speex library for compilation by JNI. Create your project’s folder, and a jni/ folder inside that folder Copy the libspeex/ and include/ folders from the speex distri to your jni/ folder. I have added a couple of java classes to make it easy to encode and decode 16-bit PCM samples from a java android application. 8k次，点赞4次，收藏10次。本文介绍了在Android上使用Speex库进行音频降噪和回音消除的步骤，包括初始化、预处理运行和销毁过程。通过JNI调用Speex API，实现了降噪、增益控制和回音消除功能，适用于语音双向对讲场景。 Jul 11, 2014 · I am making an Android-to-Android VoIP (loudspeaker) app using its AudioRecord and AudioTrack class, along with Speex via NDK to do echo cancellation. WebRTC native code package can be found at: Webrtc Native Guide. Unlike other codecs like MP3 and Ogg Vorbis, Speex is designed to compress voice at bitrates in the 2-45 kbps range. g. Speex source code is based on c-voice implementation (also java implementation, relatively low efficiency). 创建一个新的应用（我创建的应用名为Audio），并创建一个jni目录（ Speex is based on CELP and is specifically designed for speech compression at 2-44 kbps. I was able to successfully pass into and retri Mar 17, 2021 · Android回音消除困扰了我将近一个星期终于解决了。 项目一边是使用Java FX的PC端，一边是Android设备进行实时语言通话。 废话不多说直接上代码。 speex_jni. 3 在Android平台的技术适配价值 作为C语言实现的轻量级库，Speex易于通过NDK集成至Android原生层，结合JNI实现高效Java/C交互，满足高性能语音处理需求，是构建专业级语音通信模块的理想选择。 2. voice mail), and audio books. The Speex is a patent-free, Open Source/Free Software voice codec. Android NDK环境配置与构建工具链设置 专栏介绍了Eclipse集成NDK开发c程序，包括jni入门、java调C、C调java,语音编解码。 Jun 1, 2014 · 在Android开发中，需要录音并发送到对方设备上。这时问题来了，手机常会是GPRS、3G等方式上网，所以节省流量是非常关键的，使用Speex来压缩音频文件，可以将音频压文件小数倍。1. 1 Go to Speex's official website to download the latestSpeex source code。 2、 Create a new android project and create jni folder. an NDK-friendly android "port" of speex. cpp May 7, 2012 · So i set out to get the native speex to compile for Android. Jan 3, 2026 · 下载speexdsp speex现在分成两部分了，主要的speex包含编码解码 ，另外一部分声学处理就是speexdsp专门用来处理回声消除 下 传送门: 解压 源代码 将用红色箭头标识的两 文件夹 复制到android工程的cpp（jni）目录下的speexdsp目录中: 这里注意了 复制都完成了，就把libseexdsp中的几个test文件删除，不然会有些 WebRTC Native Module Hierarchy WebRTC Native Code package is meant for Android Developers who want to integrate Custom WebRTC into their applications. In some sense, it is meant to Feb 1, 2012 · my Encoding functions are working fine the example is provided on the blog A JNI Wrapper for Speex on Android Another attempt to decoding by passing char array and returning short array is as follow: Oct 9, 2025 · 本文深入解析Speex降噪算法在Android平台的实现机制，结合代码示例演示JNI集成步骤，提供音频预处理优化方案及性能调优技巧，助力开发者构建低延迟、高保真的移动端语音降噪系统。 1. . Download the latest speex source distri. Possible applications include VoIP, internet audio streaming, archiving of speech data (e. See INSTALL file for instruction on how to install Speex. 去Speex官网下载最新Speex源码。2. Jan 3, 2026 · 文章浏览阅读8.
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