Libreoffice X32

Posted onby admin
Original author(s)Jaroslav Kysela
Developer(s)ALSA team[1]
Initial release1998; 23 years ago
Stable release
1.2.4[2] / 20 October 2020; 6 months ago
Written inC[3]
Operating systemLinux
  • LGPL[4]

LibreOffice Portable is a full-featured office suite - including a word processor, spreadsheet, presentation tool, drawing package and database - that's compatible with Microsoft Office, Word Perfect, Lotus and other office applications. It's easy-to-use and feature-rich, performing nearly all of the functions you'd expect in an office suite, but at no cost. Release:linux (shorthand for calling yarn release:linux-x32 && yarn release:linux-x64) The resulting setup bundles are stored in./release. Please note that, while you can package directly for your platform without any suffix, for creating a release specifying the platform is required as electron-builder would otherwise include the development. 目前好用的百度网盘下载工具汇总 2020-09-25; WPS Office 2019 专业增强版,政府版( 2021-04-18 视频播放器 PotPlayer 美化增强版(1.7.21486.0) 2021-05-04. LibreOffice for Windows XP (32/64 bit) LibreOffice for Windows XP - office suite of programs designed to work with tabular, textual, graphical data. The application package is distributed among the three main popular platforms, allowing you to work with most modern extensions. LibreOffice for Windows x32 Compatible with MS Office. Compatible with MS Office. Writer – word processor Calc – spreadsheet Impress – presentations Draw – diagrams Base – database Math – formula editor. A powerful charts creation module. LibreOffice includes the ability to create and embed charts. Their style, color and size can be.

The Linux API is composed out of the System Call Interface of the Linux kernel, the GNU C Library (by GNU), libdrm, libalsa and libevdev (by
ALSA is part of the Linux kernel, while PulseAudio is middleware, a part of the lower levels of the desktop stack. So is SDL.

Advanced Linux Sound Architecture (ALSA) is a software framework and part of the Linux kernel that provides an application programming interface (API) for sound carddevice drivers.

Some of the goals of the ALSA project at its inception were automatic configuration of sound-card hardware and graceful handling of multiple sound devices in a system. ALSA is released under the GNU General Public License (GPL) and the GNU Lesser General Public License (LGPL).[4]

The sound servers PulseAudio, JACK (low-latency professional-grade audio editing and mixing) and PipeWire, the higher-level abstraction APIs OpenAL, SDL audio, etc. work on top of ALSA and implemented sound card device drivers. On Linux systems, ALSA succeeded the older Open Sound System (OSS).


The project to develop ALSA was led by Jaroslav Kysela, and was based on the Linux device driver for the Gravis Ultrasound sound card. It started in 1998 and was developed separately from the Linux kernel until it was introduced in the 2.5 development series in 2002 (2.5.4–2.5.5).[5]

In the 2.6 version, it replaced the previous system, Open Sound System (OSS), by default (although a backwards-compatibility layer does exist).[6]

ALSA has a larger and more complex API than OSS, so it can be more difficult to develop an application that uses ALSA as its sound technology. While ALSA may be configured to provide an OSS emulation layer, such functionality is no longer available or is not installed by default in many Linux distributions.


ALSA was designed with some features which were not, at the time of its conception, supported by OSS:

Libreoffice 32 Or 64 Bit

  • Hardware-based MIDI synthesis.
  • Hardware mixing of multiple channels.
  • Full-duplex operation.
  • Multiprocessor-friendly, thread-safe device drivers.

Besides the sound device drivers, ALSA bundles a user-spacelibrary for application developers who want to use driver features through an interface that is higher-level than the interface provided for direct interaction with the kernel drivers. Unlike the kernel API, which tries to reflect the capabilities of the hardware directly, ALSA's user-space library presents an abstraction that remains as standardized as possible across disparate underlying hardware elements. This goal is achieved in part by using software plug-ins; for example, many modern sound cards or built-in sound chips do not have a 'master volume' control. Instead, for these devices, the user space library provides a software volume control using the 'softvol' plug-in, and ordinary application software need not care whether such a control is implemented by underlying hardware or software emulation of such underlying hardware.


Additional to the software framework internal to the Linux kernel, the ALSA project also provides the command-line utilities alsactl, amixer, arecord/aplay and alsamixer, an ncurses-based TUI.

There also are GUIs programmed by third-party developers, such as gnome-alsamixer (using GTK), kmix, xfce4-mixer, lxpanel, qashctl, pavucontrol, alsamixergui (using FLTK) and probably even more.


This section provides an overview of basic concepts pertaining to ALSA.[7][8][9]

Typically, ALSA supports up to eight cards, numbered 0 through 7; each card is a physical or logical kernel device capable of input and output. Furthermore, each card may also be addressed by its id, which is an explanatory string such as 'Headset' or 'ICH9'.

A card has devices, numbered starting at 0; a device may be of playback type, meaning it outputs sound from the computer, or some other type such as capture, control, timer, or sequencer;[10] device number 0 is used by default when no particular device is specified.

A device may have subdevices, numbered starting at 0; a subdevice represents some relevant sound endpoint for the device, such as a speaker pair. If the subdevice is not specified, or if subdevice number −1 is specified, then any available subdevice is used.

A card's interface is a description of an ALSA protocol for accessing the card; possible interfaces include: hw, plughw, default, and plug:dmix. The hw interface provides direct access to the kernel device, but no software mixing or stream adaptation support. The plughw and default enable sound output where the hw interface would produce an error.

An application typically describes sound output by combining all of the aforementioned specifications together in a device string[citation needed], which has one of the following forms (which are case-sensitive):

  • interface:card,device,subdevice
  • interface:CARD=1,DEV=3,SUBDEV=2.

Libreoffice X32 Mac

An ALSA stream is a data flow representing sound; the most common stream format is PCM that must be produced in such a way as to match the characteristics or parameters of the hardware, including:

  • sampling rate: often 44.1 kHz on home stereos, or 48 kHz on home theaters, yet up to 88.2 kHz, 96 kHz, or even 192 kHz for hi-fi audio production or reproduction.
  • sample width: measured in some number of bits per sample (such as 8, 16, 24, or 32 bits/sample)
  • sample encoding: such as endianness
  • number of channels: 1 for mono, 2 for stereo, or 6 for AC-3/IEC958


The ALSA System on Chip (ASoC) layer aims to provide better support for ALSA on embedded systems that use a system-on-chip (SoC) design.[11]

See also[edit]


  1. ^Alsa Team,, 2008-09-29, retrieved 2012-01-08
  2. ^; publication date: 20 October 2020.
  3. ^'ALSA', Analysis Summary, Ohloh, retrieved 2012-01-08
  4. ^ ab'Introduction'. Retrieved 2012-01-08.
  5. ^Linux 2.5.5 release notes, retrieved 2012-01-08
  6. ^OSS Emulation, archived from the original on 2012-06-05, retrieved 2012-07-07
  7. ^Tranter, Jeff (October 2004), 'Introduction to Sound Programming with ALSA', Linux Journal, retrieved 2012-01-08
  8. ^Phillips, Dave (June 2005), 'A User's Guide to ALSA', Linux Journal, archived from the original on 2012-01-09, retrieved 2012-01-08
  9. ^Alsa C library Doxygen documentation, October 2007, retrieved 2012-01-08
  10. ^'ALSA project - the C library reference: Sequencer interface'. Retrieved 2019-04-30.
  11. ^ALSA SoC Layer,, 2017-07-13

External links[edit]

Various layers within Linux, also showing separation between the userland and kernel space
User modeUser applicationsbash, LibreOffice, GIMP, Blender, 0 A.D., Mozilla Firefox, ...
System componentsDaemons:
systemd, runit, udevd, polkitd, sshd, smbd...
Window manager:
X11, Wayland, SurfaceFlinger (Android)
Mesa, AMD Catalyst, ...
Other libraries:
GTK, Qt, EFL, SDL, SFML, FLTK, GNUstep, ...
C standard libraryfopen, execv, malloc, memcpy, localtime, pthread_create... (up to 2000 subroutines)
glibc aims to be fast, musl and uClibc target embedded systems, bionic written for Android, etc. All aim to be POSIX/SUS-compatible.
Kernel modeLinux kernelstat, splice, dup, read, open, ioctl, write, mmap, close, exit, etc. (about 380 system calls)
The Linux kernel System Call Interface (SCI, aims to be POSIX/SUS-compatible)[citation needed]
Process scheduling
Memory management
Virtual files
Other components: ALSA, DRI, evdev, LVM, device mapper, Linux Network Scheduler, Netfilter
Linux Security Modules: SELinux, TOMOYO, AppArmor, Smack
Hardware (CPU, main memory, data storage devices, etc.)
Retrieved from ''

LibreOffice for Windows XP - office suite of programs designed to work with tabular, textual, graphical data. The application package is distributed among the three main popular platforms, allowing you to work with most modern extensions.

Software functionality is associated with the built-in data type, allowing for joint integration and work between the projects of presentations, text and tables. The component is a worthy counterpart to Microsoft's competitor, including all key processing functions. You can free download LibreOffice official latest version for Windows XP in English.

Technical information LibreOffice

  • Software License: FreeWare
  • Languages: English (en)
  • Publisher Software: The Document Foundation
  • Gadgets: Desktop PC, Ultrabook, Laptop
  • Operating System: Windows XP Professional Edition / Home Edition / 64-bit Edition / Zver / PC Edition / Starter Edition / Service Pack 1 / SP2 / SP3 (32/64 bit), x86
  • LibreOffice new full version 2021
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