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Apr 23 2014 HQPlayer Desktop 3.3.2 released.
Fixes regression in DSD-to-PCM conversion settings management. Minor fixes and improvements.
Apr 18 2014 Signalyst DSC1 DAC rev.A released!
This is an open hardware design optimized for use with high order modulators of HQPlayer.
Feb 16 2014 HQPlayer Desktop 3.3.0 released!
New HF expansion and IR gain estimation algorithms for convolution engine. First release for SolidRun CuBox-i computer. Lot of bug fixes and performance improvements. 32-bit Windows version is now the "Lite" version and can be installed on 64-bit systems too.
Dec 17 2013 HQPlayer Desktop 3.2.0 released!
HTTP streaming for all the supported formats. Two new delta-sigma modulators optimized for 256x and faster output rates. The "DSD5" modulator is now rate-adaptive. Support for ID3v2 tags in DSDIFF (DFF) files. Touch mode GUI usability improvements. Performance improvements and bug fixes.
Oct 10 2013 HQPlayer Desktop 3.1.3 released!
Switched to use 80-bit floating point arithmetic in certain selected points because 64-bit was running out of precision. Fixes embedded cover art in playlist mode and dual-wire DoP over NAA playback case. Up to 50% lower CPU load on Windows!
Oct 9 2013 Network Audio Daemon 2.0.5 released.
Improves compatibility with certain hardware/drivers.
Oct 3 2013 HQPlayer Desktop 3.1.2 released.
Fixes regression introduced with optimizations in 3.1.1. Fixes to some DSD content playback cases. Improvements in metadata handling. Reimplementation of WAV/AIFF handling to facilitate some future features.
Sep 17 2013 HQPlayer Desktop 3.1.1 released.
Optimizations to improve processing speed of poly-* filters. Also fixes in following areas; dual-wire DoP, DoP over ASIO and dual-wire DoP over NAA.
Sep 17 2013 Network Audio Daemon 2.0.4 released.
Fixes problems with dual-wire DoP mode.
Sep 4 2013 HQPlayer Desktop 3.1.0 released!
Adds a set of lighter weight oversampling filters for high oversampling ratios. Also includes some fine tuning of delta-sigma modulators. Two new noise filters for conversion of DSD content to PCM. Fixes a problem with certain multichannel files, namely DSF with 5.0 channels.
Sep 4 2013 Network Audio Daemon 2.0.3 released.
Fixes a problem when DHCP server is slow to respond.
Aug 27 2013 Network Audio Daemon 2.0.2 released.
Fixes a start-up problem. Also includes some minor adjustments.
Jul 7 2013 Network Audio Daemon 2.0.1 released.
Fixes a timing problem, causing failures to start playback.
Jul 7 2013 HQPlayer Desktop 3.0.1 released.
Adds support for 64-bit floating point WAV, mostly used for convolution filters with applications like Acourate. Fixes a crash in certain cases with multichannel DSDIFF/DSF files. Some small fixes and fullscreen mode improvements.
Jun 12 2013 WebShop is now open again with upgrade option from version 2.x.
May 31 2013 HQPlayer Desktop 3.0.0 released!
Adds a new alternative touch optimized full-screen GUI with cover art, especially for Windows 8 tablets and touch screens. Support Network Audio Adapter protocol version 2. Mac OS X version using network audio output to bypass CoreAudio completely. Various smaller improvements.
May 31 2013 Network Audio Daemon 2.0.0 released!
New improved protocol with special optimizations for streaming DSD content.
May 5 2013 HQPlayer Desktop 2.10.1 released.
Fixes some GUI logic regressions and some other minor bugs.
Mar 19 2013 HQPlayer Desktop 2.10.0 released.
Redesigned DSD7 modulator plus number of fixes and improvements in various different areas.
Mar 3 2013 HQPlayer Desktop 2.9.2 released.
Some fine tuning of DSD7 modulator. Number of small fixes.
Feb 16 2013 First experimental release of full HQPlayer Desktop for ARM platform is now available for the SolidRun CuBox.
Jan 5 2013 HQPlayer Desktop 2.9.1 released.
Fixes a 2.9.0's regression in the half-band down-sampling algorithm and in the convolution engine.
Dec 9 2012 HQPlayer Desktop 2.9.0 released!
Significant performance and small quality improvement in the poly-sinc down-sampling algorithm. Now the poly-* DSD-to-PCM converters can run on almost any machine and are now the most recommended way when conversion is needed. Two new delta-sigma modulator variants. The "dual-wire" DoP 1.1 DSD128 (0x06/0xF9) is now supported with both WASAPI on Windows and ALSA on Linux. Same WASAPI back-end variant is now used on all versions of Windows allowing drag-and-drop support in all cases.
Nov 15 2012 Network Audio Daemon now available for three ARM-based hardware platforms, the BeagleBoard/BeagleBone, Raspberry Pi and Acme Systems FOX G20.
Nov 8 2012 HQPlayer Desktop 2.8.4.3 for Windows available to fix a playback start problem on Windows 8 WASAPI with some device drivers.
Oct 3 2012 Network Audio Daemon 1.3.1 released.
Performance optimizations to minimize CPU load.
Oct 1 2012 HQPlayer Desktop 2.8.4 released.
Optional high frequency expansion algorithm for the convolution engine. New resampling / oversampling algorithm "poly-sinc-hb". Improved parallelization for multi-core processors. Initial support for Windows 8. Many small usability improvements.
Sep 9 2012 Network Audio Daemon 1.3.0 released!
Mostly rewritten ALSA backend, some fixes and improvements.
Sep 8 2012 HQPlayer Desktop & Embedded and HQPlayer SDK 2.8.3 released!
Non-decimating convolution engine for DSD content (processing at native rate)! Fixed some possible crash cases.
Sep 2 2012 HQPlayer Desktop for Linux updated to version 2.8.2.3.
Fix for a possible crash and rework of ALSA back-end to support wider range of audio hardware.
Aug 28 2012 HQPlayer Embedded and HQPlayer SDK 2.8.2.2 released!
Engine updated to match Desktop version plus some control GUI changes and improvements.
Aug 20 2012 HQPlayer Desktop 2.8.2.2 released!
Improved volume control for DSD content. Fixed a playlist loading issue with certain M3U8 format playlists. Option to ignore all warnings about certain complex conversion ratios.
Jun 20 2012 HQPlayer Desktop 2.8.2 released!
Rewritten minringFIR filter, now available also as oversampling filter in the delta-sigma modulator. Support for convolution engine in PCM-to-SDM conversion case. Button to invert absolute phase. Number of other fixes and improvements.
May 21 2012 A summer 2012 release of HQPlayer Desktop 2.8.1 and Network Audio Daemon 1.2.1!
Unicode fix and various other smaller fixes in HQPlayer. Small but important core component improvement in both HQPlayer and Network Audio Daemon.
Apr 22 2012 HQPlayer Desktop 2.8.0 released!
Experimental support for "dual wire" mode on Linux to reach 384 kHz PCM and 128x SDM rates over dual AES links or channel-per-I2S with standard rates on other interface types. Also includes various fixes. For other changes, see earlier beta announcements.
Apr 5 2012 HQPlayer Desktop 2.8.0beta6 and Network Audio Daemon 1.2.0
Support for up to 24.576 MHz SDM and 1.536 MHz PCM. Multi-room support with Network Audio Adapters. One second pre-playback mute to give slow update rate PLLs time to properly acquire lock. Optimizations to reduce CPU load, memory use and to improve cache performance. Also reduced initialization times. Lot of fixes, reworks and improvements, software component updates.
Feb 28 2012 HQPlayer Desktop 2.8.0beta5
Support for ID3v2 tags in AIFF and DSF files. Also improved overload handling for the delta-sigma modulator.
Feb 21 2012 HQPlayer Desktop 2.8.0beta4
Multichannel speaker level and distance processing for SDM/DSD output. Number of optimizations and small UI logic improvements. Updated manual to match new functionality. Support for a new DSD-in-PCM packing scheme (with 0x05/0xfa markers).
Feb 7 2012 HQPlayer Desktop 2.8.0beta2
Non-decimating (performed at original rate) digital volume control for DSDIFF/DSF file playback to DSD-DACs, option for downconversion from 128fs DSDIFF/DSF files to 64fs DSD-DACs. General improvements in delta-sigma modulator. New "Direct SDM" configuration option to pass DSDIFF/DSF content to DSD-DACs without processing. Also CD playback has been fixed.
Feb 6 2012 Network Audio Daemon 1.1.4 for a Network Audio Adapter.
Some new startup options and init script fixes. Also contains a fix related to freeing up the audio device when client disconnects in order to better support other processes accessing audio devices. Now also runs a script when client is connected or disconnected.
Jan 23 2012 HQPlayer Desktop 2.8.0beta1
Now includes delta-sigma modulator to feed DSD-capable DACs with more native 1-bit SDM streams. High quality single-pass upsampling from PCM to SDM. Manual selection between PCM and SDM modes included in the main window.
Dec 31 2011 HQPlayer Desktop/Embedded 2.7.5.2 released!
Quality improvements to minimum-phase filters. Also added a new high quality "Gauss1" dither. Fixed a crash with certain settings. Now Engine is automatically discovered by the Control client. Engine also supports Network Audio Adapters now to offer three-tier architecture isolating audio device, processing and control GUI.
Dec 23 2011 HQPlayer Desktop 2.7.5.1 and Signalyst Network Audio Daemon 1.1.1 released.
Small fixes and Network Audio Adapter discovery address change in HQPlayer Desktop.
Network Audio Daemon now releases audio devices when idling, also includes the discovery address change.
Dec 19 2011 HQPlayer Desktop 2.7.5 and Signalyst Network Audio Daemon 1.0.0 released!
Support for Signalyst Asynchronous Network Audio Adapters; for maximum isolation all processing is performed in the player application and processed data is asynchronously streamed over network to a very lightweight network audio adapter interfacing to the DAC. Now none/none setting is more explicitly bit-perfect. Also small GUI improvements, such as movable splitter between transport and track views, support for repeat and random playback modes.
Note! Due to a new state saving system, old volume and basic/advanced mode states are reset in this release.
Dec 4 2011 HQPlayer Desktop 2.7.4 released!
Special handling for DSDIFF/DSF files in playlist mode to avoid clicks/pops between unrelated tracks. Remembers last used directory of all file dialogs. Small fix for DSF file handling. A lot of small changes.
Nov 19 2011 HQPlayer Desktop for Linux updated to 2.7.3.1 to solve some issues and add support for Fedora (16) distribution.
Nov 8 2011 HQPlayer Desktop/Embedded 2.7.3 released!
Number of usability improvements and bug fixes. Fixed one more regression in ASIO DSD support. New upsampling filter "minringFIR" included in Desktop version. ALSA handling improvements in Linux version, including better support for HDMI.
Oct 28 2011 Instructions for the Mytek Stereo192-DSD DAC added to the quickstart guide.
Oct 23 2011 HQPlayer Desktop/Embedded 2.7.2 released!
Added buttons to load/save playlists and support for translations. Fixed an ASIO initialization problem introduced in 2.7.0. Windows installers are now signed. Number of smaller fixes and improvements.
Oct 12 2011 HQPlayer Desktop/Embedded 2.7.1 released!
Direct DSDIFF/DSF playback is now also possible in playlist mode. Increased precision of some pre-computations to 80-bits. Fixed problem on convolution engine setup dialog and some other smaller fixes. Embedded Engine now matches the Desktop version. Dropped Standalone version.
Oct 5 2011 HQPlayer Desktop 2.7.0 released!
This release includes a new trial period. Numerous changes, including redesigned UI, support for playlists (pls/m3u or adding files/trees to an internal playlist), support for mixed rate transports, support for native/direct playback of DSDIFF/DSF files using different "PCM packing" schemes (Linux&WASAPI), fixed issue on native DSF playback. Significant rework of one-bit audio to PCM conversion with new conversion algorithms and noise filters (check your conversion settings), 128x one bit audio is now converted to 352.8 kHz rate. Plus many other minor things.
Sep 7 2011 Packages of HQPlayer Desktop for Ubuntu 11.04 now available. Plus update for the openSUSE version.
Sep 2 2011 HQPlayer Desktop for Linux is now generally available!
May 30 2011 HQPlayer Desktop/Embedded 2.6.2 and HQPlayer Engine SDK 2.6.2 released!
Support for AIFF file format added, fixes to raw DSDIFF/DSF playback time display. Menu entry and a dialog added to Windows version of the Engine Daemon for setting library location in order to ease up configuration. Software was built in an updated build environment.
May 23 2011 HQPlayer Embedded 2.6.1.1 and HQPlayer Engine SDK 2.6.1.1 released.
Fixes an engine startup crash issue on certain installations. Also includes some minor improvements to the Embedded Control.
May 21 2011 HQPlayer Desktop/Embedded 2.6.1 and HQPlayer Engine SDK 2.6.1 released!
Completely reimplemented NS9 noise shaper for use at 176.4/192 kHz rates (especially nice for 4x rate capable 16-bit DACs like TDA154x). New NS5 noise shaper for use at (192/)352.8/384/705.6/768 kHz rates (especially nice for 16x rate capable DACs like PCM1704). These noise shapers are very aggressive and can provide a lot of extra SNR in the critical frequency band.
Also a new "steep" conversion method for PCM playback of DSDIFF/DSF files and a new alternative noise filter "secondary" especially for use together with "steep" conversion method. Some fixes and a new setting for ASIO DSD support.
Also introduced a counter to show when limiter is hit on clipped/too hot material. In order to avoid hitting the limiter, use low enough volume setting (usually -3 dB is enough).
Plus the usual minor fixes, including fixes related to cover art loading.
Apr 23 2011 HQPlayer Embedded 2.6.0 and HQPlayer Engine SDK 2.6.0 released! First release with a separate headless server and graphical client applications. Graphical control client is optimized for capacitive touch screens, but can be used with more traditional pointing devices too. Old "Embedded" version, now called "Standalone" is now included in the "Embedded" package and still works with the same key as the Desktop version.
Apr 20 2011 HQPlayer Desktop 2.6.0 released. New product split into Desktop, Embedded and Engine SDK versions. Completely reworked volume control and soft limiter. DAC bits setting for those with non-24-bit DAC behind unidirectional connection like S/PDIF or AES/EBU. Experimental "non-ringing" polynomial interpolation. And some bug fixes from the beta.
Mar 23 2011 A small demo video of the upcoming new embedded control UI (Win/Linux/OSX) at YouTube.
Feb 16 2011 HQPlayer and HQPlayer Engine SDK version 2.6.0 beta1 released. Includes preliminary support for direct/native playback from DSDIFF and DSF files to ASIO devices with DSD support. Includes also other minor changes and improvements.
Feb 7 2011 HQPlayer 2.5.5 released. Now includes 64-bit Desktop version, improved installer, dropped network licensing support. Due to changes in directory structure and shortcut naming, uninstall older version before installing this to avoid broken shortcuts and abandoned files!
Jan 31 2011 HQPlayer Engine SDK 2.5.5 released! Supported platforms are Windows Vista/7 and Linux. Includes headless engine daemon and control interface.
Jan 30 2011 Note! If you have audio problems when using USB audio device with default settings, try increasing buffer time to 100 ms. This will most likely help.
Jan 18 2011 HQPlayer 2.5.4.4 minor fixes release. Small GUI improvements and further noise shaper tunings for NS4 and NS9.
Jan 6 2011 HQPlayer 2.5.4.1 minor fixes release. Better handling for paths without supported files, installer and manual updates.
Jan 3 2011 HQPlayer 2.5.4 released! Fixes crashes with certain slightly buggy ASIO drivers. Also fixes incorrect total remain value in some cases as well as contains some further tunings in NS1 noise shaper.
Dec 31 2010 HQPlayer 2.5.3.1 quick-fix version released. Fixed a newly introduced first-time installation startup problem the in desktop version. If you are experiencing this problem, either download this new version, or first start embedded version, go to Settings, click OK and then start the desktop version... No need to update if you have 2.5.3 desktop version already working.
Dec 30 2010 HQPlayer 2.5.3 released! Improvements for RIFF (WAV) files with more than 24-bit resolution, fix sample bit indication and other minor changes. Fixed a default settings problem introduced in previous version. Better handling for "basic" mode and improvements in a way mode switching is done.
Dec 12 2010 HQPlayer 2.5.2 released! Fixed problems in non-mapped network share handling and minor problems in RIFF (WAV) handling. Improved ASIO support. Improved performance in FIR resampler and DSDIFF/DSF file playback. Re-tuned noise shapers and dithers. Improvements in installer. Also contains "basic" and "advanced" modes for the main screen.
Nov 29 2010 HQPlayer 2.5.1 released! Included ASIO support in Desktop version, further tuning in poly-sinc* resamplers, completely reworked FFT-resampler and other minor improvements and fixes. Network licenses available on request for existing customers. Configuration file can be specified as a commandline parameter.
Nov 1 2010 HQPlayer 2.5.0 released! Fixed a startup issue on some Windows 7 systems, support for metadata parsing from file path, changes in the desktop GUI, support for multiselect in transport/paths list, support for DSF file format, improved sound quality for DSDIFF/DSF file playback, fixes in RIFF (WAV) handling, preliminary support for (non-compressed) multichannel DSDIFF/DSF files, plus set of minor fixes and improvements.
Oct 17 2010 HQPlayer Desktop for Linux is ready. Available on special request and for system integrators. If you would like to see a generic release, please vote by sending an email!
Sep 30 2010 HQPlayer 2.4.1 released! Minor update, more optimizations to the desktop version to make it consume less CPU power. Now the desktop version can play DSDIFF-files on equally slow CPU as the embedded one.
Sep 24 2010 HQPlayer 2.4.0 released! This is a major update, includes release version of the desktop and embedded versions! Various fixes and new features, most notably support for WAV (RIFF) playback, support for any sampling rate for convolver impulse responses, new desktop UI with high quality digital volume control, selectable convolution engines, configurable gain compensation for the convolution engine, etc, etc... Includes a new trial period for previous trials.
Linux version coming soon'ish...
Sep 11 2010 HQPlayer 2.3.8 released! Includes beta2 of the new desktop UI with many fixes and improvements. This release also gives a new trial period for those who have outdated trial period from previous versions.
Sep 4 2010 HQPlayer 2.3.7 released! Now includes a beta version of a new desktop/laptop UI! Installation of the new UI is optional; it is WASAPI-only and available only as 32-bit at the moment, but included in all installation packages. (Note! Startup of the desktop version may take a while!)
Jun 21 2010 HQPlayer 2.3.6 released! Collection of small fixes, including small correction for the poly-sinc gain calculation.
May 9 2010 Added a page where resolution and upsampling are explained through equivalent examples from image processing.
Apr 12 2010 HQPlayer 2.3.5 released! This release contains improved unicode support and a fix for 32-bit float WAV impulse response files. You may need to regenerate transport list.
Mar 7 2010 HQPlayer 2.3.4 released! Added new key bindings and improved transport list editor.
Feb 13 2010 HQPlayer 2.3.3 released! Now hardware buffer length defaults to driver default. Also includes convolution engine fixes related to non-minimum-phase impulse responses. Overall performance of the convolution engine has been improved.
Jan 14 2010 HQPlayer 2.3.2 released. Fixed a bug in soft limiter (used for material containing clipped peaks).
Jan 11 2010 HQPlayer 2.3.1 released! Changed transport list layout a bit for better readability, no other changes.
Jan 6 2010 HQPlayer 2.3.0 released! Complete reimplementation of polyphase resampler, now capable of converting between most typical rates at very high quality. Also includes minimum phase variant. New feature for adding entire directory tree into the transport list. (File - Paths - Add tree...)
Dec 2 2009 HQPlayer 2.2.1 released! Fixed a recently introduced bug in no rate conversion case.
Nov 21 2009 HQPlayer 2.2.0 released! Fixed a problem on creating user settings directory and updated the manual. Otherwise same as the beta.
Nov 15 2009 HQPlayer 2.2.0 beta released! Added support for downsampling, thus full resampling and word length reduction is now supported. Significantly helps listening hi-res audio files on hardware capable of only 44.1/48 kHz 16-bit format! Works also for DSDIFF files! Also good for listening 192/24 or DSDIFF files on 96/24 hardware.
Nov 1 2009 HQPlayer 2.1.1 released! Small modifications on minimum-phase sinc-resampler; improved pass-band SNR on slight expense of stop-band attenuation. Also performance optimizations on sinc-resamplers and slightly different handling for media keys.
Sep 13 2009 HQPlayer 2.1.0 released! Some bugfixes and support for up to 768 kHz sample rates.
Aug 25 2009 HQPlayer 2.1.0 beta released! Support for playback of stereo DSDIFF (DFF) files through conversion to 176.4 kHz PCM. Support for 352.8 and 384 kHz sampling rates. (Also some Windows 7 -related installer fixes.)
Aug 2 2009 HQPlayer 2.0.2 released! Second wave of bugfixes. Most notable fixes include a fix for recently introduced IIR filter breakage as well as fix for dither selection. As a new feature, this release contains significantly better load balancing for multicore CPUs.
Jul 26 2009 HQPlayer 2.0.1 released! Bugfix release, including internationalization fixes as well as new path selector for transport editor.
Jun 30 2009 HQPlayer 2.0.0 final released! Contains minor fixes and driver workarounds compared to last beta. Try 48/96 kHz rates on HD-Audio adapters if you get silence with other rates...
Jun 24 2009 HQPlayer 2.0.0 beta 3 released. Now contains speaker setup and placement processing functionality. Also introduced UI for mapping ASIO channels independently. This release is considered feature complete and also acts as a release candidate for 2.0.
May 24 2009 HQPlayer 2.0.0 beta 2 released. Support for ASIO drivers and number of minor bugfixes.
Apr 19 2009 May sale!
50% off the product price until end of May 2009! Includes upcoming HQPlayer version 2.x.
Apr 12 2009 HQPlayer 2.0.0 beta released. Now includes support for stereo, quadraphonic, 5.1 and 7.1 channel FLAC file playback. Also includes a set of further tunings on resamplers and dither / noise-shaping algorithms.
Mar 1 2009 HQPlayer 1.1.1 released. Introduced a new set of filters including two minimum-phase filters, improved dither and noise-shaping algorithms as well as improved hardware sample format flexibility.
Jan 6 2009 HQPlayer 1.1.0 released. Now includes a convolution engine for applying digital room correction and equalization filters. Also includes number of new upsampling filters as well as several bug fixes.