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audio
- 利用ffmpeg 及alsa做到同時錄放音-Simultaneously recording and playing by ffmpeg and alsa api
Linux-driver-development17
- 作者:华清远见嵌入式学院。《Linux设备驱动开发详解》(08&09年度畅销榜TOP50)第17章、Linux音频设备驱动。在Linux系统中,先后出现了音频设备的两种框架:OSS和ALSA,本节将在介绍数字音频设备及音频设备硬件接口的基础上讲解OSS和ALSA驱动的结构。17.1~17.2节讲解了音频设备及PCM、IIS和AC97硬件接口。17.3节讲解了Linux OSS音频设备驱动的组成、mixer接口、dsp接口及用户空间编程方法。17.4节讲解了Linux ALSA音频设备驱动的组成、
alsa-driver-api.pdf
- ALSA音频用户层API函数库,包含函数使用。-ALSA audio user-level API function library contains the function to use.
alsa-driver-api
- The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system. The attached document describes the ALSA driver API.
linux_ALSA_record_and_play_pcm_wav
- 调用Linux系统的ALSA声音系统API,完成PCM格式的wav文件的录音和播放。-these codes are capable to record sound into wavfile in PCM format and play wavfile in PCM format by callling ALSA API on Linux platform.
audio_record
- 嵌入式linux平台上利用alsa API录制声音并保存成wav格式(Recording sound with alsa API on Embedded Linux platform and saving it into WAV format)