ALSA

ALSA tutorials

ALSA Library API

Writing an ALSA Driver

Buffer calculation in AudioHardwareALSA::getInputBufferSize(…)

Choosing an Audio Interface - Technical ConsiderationsLinux sound systems  

ALSA SoC Layer (overview)

Digital Audio Interfaces (DAI)

Alsa SoC Audio(part 1) Alsa SoC Audio(part 2)

 

High frequency timer interrupts   ( when the hardware doesn't generate interrupts at the period boundary ) FramesPeriods ALSA에서 snd_pcm_hardware값

 

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one of the Linux audio driver: ALSA Architecture Overview

Linux audio drivers: sound card to create  

Linux Audio Driver: PCM device to create

Linux audio driver: Control equipment to create

 

Linux audio driver: the mobile device in the ALSA (the ASoC)

Linux Sound Drivers Framework

 

Read sound card driver

OMAP4 Audio Design