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mus/misc/qoatoaiff.lha

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Short:Decodes Quite OK Audio to AIFF
Author: grzegorz.kraszewski at gmail.com (Grzegorz Kraszewski)
Uploader:grzegorz kraszewski gmail com (Grzegorz Kraszewski)
Type:mus/misc
Version:1.3
Architecture:m68k-amigaos
Date:2025-07-17
Download:mus/misc/qoatoaiff.lha - View contents
Readme:mus/misc/qoatoaiff.readme
Downloads:678

Quick facts about Quite OK Audio format (qoaformat.org):
* Lossy, time-domain compression, 16 bits.
* Quality comparable to MP3 @ 160 kbps.
* 5:1 fixed compression ratio.
* 44.1 kHz stereo streams decode in realtime on 68020 @ 28 MHz.

QoaToAiff tool decodes QOA files (mono and stereo, multichannel
is not supported) to uncompressed AIFF files, 16 bit.

Usage: QoaToAiff <QOA file> <AIFF file>

Conversion can be stopped with standard CTRL+C keycombo.
 
QoaToAiff is an open source project, hosted on GitHub:
https://github.com/grzegorz-kraszewski/qoa-to-aiff/

HISTORY

1.3 (17.07.2025)
- Added Italian translation by samo79.

1.2 (08.05.2025)
- Decoder has been made shorter by 28 bytes and faster by 13%
  (on 68020). Decoding of stereo 44.1 kHz stream is x1.19 to realtime
  on 68020 @ 28 MHz (ACA1221).

1.1 (02.05.2025)
- Localization applied to number formatting in the console output.
- This time Polish catalog and catalog descriptor are really included
  in the archive.

1.0 (01.05.2025)
- Decoder is 4% faster.
- Localization, Polish translation and catalog descriptor included.
- Files with extra data at end are now decoded.
- Fixed crash when input or output file is not opened.
- Fixed error reporting.
- Performed data fuzzing tests.

0.2 (24.04.2025)
- Implemented output buffering, disk operations are faster.
- Reached x1.00 decoding speed on 68020 @ 28 MHz (ACA1221).

0.1 (12.04.2025)
- The first release.


Contents of mus/misc/qoatoaiff.lha
 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[Amiga]                    556    1188  46.8% -lh5- 2bae Jul 17 16:53 QoaToAiff.info
[Amiga]                    753    1504  50.1% -lh5- 2bdd Jul 17 16:45 QoaToAiff/catalogs/italiano/QoaToAiff.catalog
[Amiga]                    842    1554  54.2% -lh5- 578d Jul 17 16:45 QoaToAiff/catalogs/polski/QoaToAiff.catalog
[Amiga]                    922    2189  42.1% -lh5- a8a6 Jul 17 16:42 QoaToAiff/catalogs/QoaToAiff.cd
[Amiga]                   4767    7640  62.4% -lh5- 77e9 Jul 17 16:45 QoaToAiff/QoaToAiff
[Amiga]                    886    1682  52.7% -lh5- 3e36 Jul 17 16:58 QoaToAiff/qoatoaiff.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         6 files    8726   15757  55.4%            Jul 17 22:40
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