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Test & Co Audio-Software OS/2 Electronics

Section: Hardware etc. (mostly German only!)

Monitor test
updated Feb. 21st, 2005
Check and improve the image quality of your CRT monitor.
Chroma, Brightness & Contrast Sharpness & Resolution
PC Sound devices
Jan. 12th, 2005
Common properties and flaws of consumer class sound devices.
Analog output of Raspberry Pi
May 6th, 2014
Measurements of the quality of the analog sound output of Raspberry Pi. (english)
Efficiency of power supply
updated Apr. 30th, 2013
All about the efficiency of PC power supply units including calculations and measurements.


Section: Audio-Tools

MPEG audio utility
updated Jan. 19th, 2005
View information about MPEG audio files and/or adjust volume. (Console application)
Supported formats: MPEG 1.0, MPEG 2.0 and MPEG 2.5 layer 1-3. Furthermore the volume of the files can be modified lossless without recoding and leading and trailing silence and other junk like RIFF headers may be stripped.
ID3 tag utility
26.01.2003
Sophisticated synchronization of ID3 V1.x tags or Ogg-Vorbis comments respectively with the file name and path in both directions.
Automatic sorting into sub folders by programmable template. Reconstruction of missing meta information from the file name.
Audio index utility
14.10.2002
Create an index of audio files on removable media or in a sub folder. Supported formats: MPEG audio and Ogg-Vorbis.
Wave-Audio-Utilities
12.12.2001
Informations about WAV files, loudness adjustment and subsonic filter (DC offset).
Miscellaneous Tools:
 - strip leading and trailing silence
 - split continuous recordings (e.g. live CDs) at MPEG frame boundaries to avoid gaps.
mp3gain ANSI-C port with extensions
updated Jan. 2nd, 2004
OS/2 port of mp3gain, which does automatic loudness adjustments of MPEG audio files using the superior psychoacoustic model of ReplayGain.
splitmp3
new Jan. 2nd, 2006
Command line utility to split large MPEG audio files into pieces.
REXX scripts for lame & ogg*
05.09.2002
Collection of REXX scripts to convert between WAV, MP3 and OGG files. The scripts preserve meta information like title etc. as far as possible.


Section: OS/2

PM123 1.41
updated Sep. 14th, 2013
New PM123 release with plenty much of new features.
KompoZer 0.8b4 (11MB)
new Mar. 31st, 2010
Newer build from KompoZer than available at the download sites. It is build from Subversion trunk revision 225 with gcc 3.3.5. Not tested very well.
CDSpeed2
new Jan. 24th, 2009
Slow down the spindle speed of your CD-ROM drive to avoid that the drive passes the data with ridiculous speed.
CDDB for the OS/2 CD player
updated Jan. 7th, 2006
This application extends the built-in OS/2 CD player with a CDDB interface including submissions
CDDBD for OS/2
Jun. 2nd, 2001
Quick & dirty port of cddbd, based on the freedb server. Only intended for testing purposes.
Folder synchronization
updated May 21st, 2005
The 101st. tool to synchronize folder contents.
Special feature: incremental remote synchronization without a direct connection, using a removable media.
MMPMMMIO utility
Mar. 3rd, 2002
Installation and deinstallation utility for MMPM/2 codecs and I/O procedures.
PMShell class list utility
Dec. 12th, 2002
Utility to read and modify the PM shell class tree. Can remove dead classes where WinDeregisterObjectClass fails.
EXIF-Tool
updated Jun. 20th, 2009
Utility to rename pictures of digital cameras and to store the EXIF information in EAs. Similar to Renamepics.
buffer2
new Jan. 16th, 2006
High performance FIFO buffer with network stream support. (Linux, too)
REXX utilities
Jan. 6th, 2006
Add ons and code fragments for OS/2 REXX.
analyze
new May. 14th, 2010
Software to do high quality low frequency impedance or transfer function measurements with PC sound devices. (e.g. ESR of electrolytics or speaker response)


Section: Electronics

S-video to composite video
Feb 15th, 2008
High quality active S-video to composite video converter for PAL. (German only!)
Electret microphome amplifier
new Nov. 26th, 2013
Highly linear and low noise electret microphone amplifier intended for measurement purposes.