The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system. ALSA has the following significant features:
Efficient support for all types of audio interfaces, from consumer soundcards to professional multichannel audio interfaces.
Fully modularized sound drivers.
SMP and thread-safe design.
User space library (alsa-lib) to simplify application programming and provide higher level functionality.
Support for the older OSS API, providing binary compatibility for most OSS programs.
ALSA is released under the GPL (GNU General Public license) and the LGPL (GNU Lesser General Public License).

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Home_http://www.alsa-project.org/
Downloads_ftp://ftp.alsa-project.org/pub

driver (~2,5 Mb)_ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.14.tar.bz2
firmware (~3,1 Mb)_ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.14.tar.bz2
lib (~767 Kb)_ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.14.tar.bz2
plugins (~299 Kb)_ftp://ftp.alsa-project.org/pub/plugins/alsa-plugins-1.0.14.tar.bz2
tools (~1,5 Mb)_ftp://ftp.alsa-project.org/pub/tools/alsa-tools-1.0.14.tar.bz2
utils (~991 Kb)_ftp://ftp.alsa-project.org/pub/utils/alsa-utils-1.0.14.tar.bz2
other_ftp://ftp.alsa-project.org/pub/

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Downloads_ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.14a.tar.bz2

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Changelog_http://alsa-project.org/main/index.php/Changes_v1.0.14_v1.0.15
alsa-driver (~2,6 Mb)_ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.15.tar.bz2
alsa-lib (~776 Kb)_ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.15.tar.bz2
alsa-utils (~991 Kb)_ftp://ftp.alsa-project.org/pub/utils/alsa-utils-1.0.15.tar.bz2
alsa-tools (~1,5 Mb)_ftp://ftp.alsa-project.org/pub/tools/alsa-tools-1.0.15.tar.bz2
alsa-firmware (~3,1 Mb)_ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.15.tar.bz2
alsa-plugins (~300 Kb)_ftp://ftp.alsa-project.org/pub/plugins/alsa-plugins-1.0.15.tar.bz2
alsa-oss (~243 Kb)_ftp://ftp.alsa-project.org/pub/oss-lib/alsa-oss-1.0.15.tar.bz2

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Changelog_http://www.alsa-project.org/main/index.php/Changes_v1.0.15_v1.0.16
alsa-driver (~2,6 Mb)_ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.16.tar.bz2
alsa-lib (~764 Kb)_ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.16.tar.bz2
alsa-utils (~992 Kb)_ftp://ftp.alsa-project.org/pub/utils/alsa-utils-1.0.16.tar.bz2
alsa-tools (~1,5 Mb)_ftp://ftp.alsa-project.org/pub/tools/alsa-tools-1.0.16.tar.bz2
alsa-firmware (~3,4 Mb)_ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.16.tar.bz2
alsa-plugins (~300 Kb)_ftp://ftp.alsa-project.org/pub/plugins/alsa-plugins-1.0.16.tar.bz2

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Changelog_http://www.alsa-project.org/main/index.php/Changes_v1.0.16_v1.0.17
alsa-driver (~2,6 Mb)_ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.17.tar.bz2
alsa-lib (~771 Kb)_ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.17.tar.bz2
alsa-utils (~993 Kb)_ftp://ftp.alsa-project.org/pub/utils/alsa-utils-1.0.17.tar.bz2
alsa-tools (~1,5 Mb)_ftp://ftp.alsa-project.org/pub/tools/alsa-tools-1.0.17.tar.bz2
alsa-firmware (~3,3 Mb)_ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.17.tar.bz2
alsa-plugins (~301 Kb)_ftp://ftp.alsa-project.org/pub/plugins/alsa-plugins-1.0.17.tar.bz2

Core
IEC958 definition for consumer status channel update
Release v1.0.17a
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
PCM API
Add boolean (mute) functionality to softvol plugin
clamp snd_pcm_rewind()/snd_pcm_forward() into the right direction
fix type of internally used sframes variable, to avoid unnecessary casts
fix return value of snd_pcm_rewind()/snd_pcm_forward() to return how much actually has been rewound, instead of what actually could have rewound
Fix interleave check in pcm_direct.c
Fix non-tread mode with PCM direct plugins

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Downloads (~771 Kb)_ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.17a.tar.bz2

Из новшеств можно отметить:

• Расширены возможности драйвера C-Media CMI8788 Oxygen (появилась поддержка ASUS Xonar D1, Xonar HDAV1.3 и новейших плат на базе APU C-Media);
• В HDA драйвер добавлена поддержка HDMI audio в картах на базе NVIDIA MCP78/7A. Реализована поддержка кодеков ALC1200 / ALC887, AD1882A, 92HD81/83, ALC662/663, VT1708S, VT1702 и ноутбуков/ПК Asus V1Sn, ASUS Eeepc P90*, Toshiba RX1, Toshiba S06, Toshiba L305, HP DC7600, Acer Aspire One, Quanta FL1;
• Добавлена поддержка PCI карт Terrasoniq/MUSONIK TS22, расширено число поддерживаемых карт на базе чипов Intel8x0;
• Улучшена работа динамической системы управления питанием аудиоустройств;
• Интегрированы разработки, созданные в рамках программы Google Summer of Code;
• Улучшена работа плагина PulseAudio;
• Недавно созданный драйвер для звуковых карт Creative X-Fi будет включен в состав следующего релиза - ALSA 1.0.19, после того как будет проведена работа по повышению его стабильности.

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Changelog_http://www.alsa-project.org/main/index.php/Changes_v1.0.17_v1.0.18
alsa-driver (~2,7 Mb)_ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.18.tar.bz2
alsa-lib (~772 Kb)_ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.18.tar.bz2
alsa-utils (~1,0 Mb)_ftp://ftp.alsa-project.org/pub/utils/alsa-utils-1.0.18.tar.bz2
alsa-tools (~1,5 Mb)_ftp://ftp.alsa-project.org/pub/tools/alsa-tools-1.0.18.tar.bz2
alsa-plugins (~306 Kb)_ftp://ftp.alsa-project.org/pub/plugins/alsa-plugins-1.0.18.tar.bz2