Explore the evolution and future challenges of audio support on Linux in this comprehensive talk. Delve into the history of consumer audio on Linux, focusing on the ALSA framework and related infrastructure. Examine the major steps in hardware architecture evolution, their triggers, and software accommodations. Analyze the recent success of Linux audio support and investigate upcoming challenges and potential solutions. Learn about the progression from PC speakers and Soundblaster to modern audio codecs, USB audio, and sound servers. Understand the impact of power efficiency on audio hardware design and the need for new software models to address these changes. Gain insights into the future of Linux audio support and the necessary adaptations to maintain its functionality in a rapidly evolving technological landscape.
Overview
Syllabus
Intro
Agenda
Interdependent
Modular
PC Speaker (Beeper)
Soundblaster
Open Sound System (OSS)
ALSA- Basic Architecture
ALSA - Controls
ALSA - Constraint System
Software Soundcards • CPUs became a lot more powerful in the miss
Audio CODEC '97 (AC'97)
USB Audio Class
The Sound Server Wars
PulseAudio - A Modern Sound Server
ALSA for System on a Chip (ASOC)
High Definition Audio (HDA)
Linux Consumer Audio Stack Todity
Homogeneous Hardware Environment
Stable Software Environment
Driver Development Statistics
The next Transition
Power is the Driving Force
Use Case Manager (UCM)
Topology
Time for a Upgrade
New Component Model
Export Audio Flow Graph
Summary - Not a Happy End
Taught by
Linux Foundation
