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Add two new SDM integrators and one new DSD noise filter. Split magnitude and phase responses to separate plots in matrix. Improved performance when streaming to a NAA. Component updates and bug fixes.

Support for embedded cover images in WavPack files. Performance improvements and updated auto-tunings for Apple Mx / ARM64 silicon. Bug fixes and component updates.

First native build of HQPlayer for Apple’s new ARM-based Mac CPU.

Rework of matrix plugin system. Independent convolution engine and matrix convolution. New IIR parametric equalizer plugin for matrix. Support for WavPack format for both PCM and DSD. Component updates, minor bug fixes and performance improvements. OS support updated to macOS 10.14, Ubuntu 20.04 LTS and Fedora 33.

Component updates, some minor performance improvements and bug fixes. Note! Requires Nvidia display driver update for CUDA!

Add quick pause option to use old style simple silence pattern. Add short buffer option to use half size FIFOs for reduced delay. Bug fixes and small GUI improvements.

New pseudo-multibit AMSDM7EC modulator for certain DACs at x512 rates and above. Bug fixes and component updates. CUDA support discontinued on macOS.

New sinc-L filter and bug fixes. On macOS access to audio inputs is requested immediately at application startup time. Merging RAVENNA verified on Windows and macOS.

Fixes regression in minimum phase filter initialization. Add splitter between pipeline and postprocess in matrix dialog. Small fixes.

Add support for ReplayGain 2.0 metadata specification, album gain can be applied when loaded in album mode, in playlist mode track gain can be applied. Add new sinc-S filter. Add PlayNextURI and SetAdaptiveVolume methods to the control API. Improve algorithm to combine multiple convolution filters. Parallelization consistency improvements. Bug fixes.

Support for chaining multiple convolution filters. Support for changing convolution algorithm and HF-expansion in pipeline matrix. Post-process support in pipeline matrix, with Bauer headphone cross-feed. Various metadata handling fixes. Component updates, small bug fixes and improvements.

Change output stream start/stop handling. Metadata handling fixes.

Error and warning log entries are now shown on status bar in the main window. Improved cover flow and artist list sorting in client. Improved handling of detached cover art when scanning library. Improved parallelized DSD conversions. Improved thread management. Input handling improvements. Support disc numbers in metadata. Small bug fixes and improvements.

Improve Direct SDM indication towards clients, support relative paths in playlist files, add invert, random and repeat functions to the Client. Number of small improvements and fixes.

Support for NAA protocol version 4, including inputs. Metadata handling improvements, including support for composer as a separate tag and rework ID3v2 mappings. Improved search flexibility and fixes in Client. New 15th order linear PCM noise shaper designed specifically for 16x output rates. Various bug fixes.

Small CPU core allocation tunings and fixes.

Component updates and bug fixes. Also includes further fine tuning of core allocations.

Bug fixes and component updates.

Various small fixes and updates.

Fix failure on input device definition without explicit channel count. macOS package is now notarized for Catalina. Ubuntu packaging updates. Debian Buster package build of Client for 32/64-bit ARM (armhf/arm64).

New poly-sinc-long filters to fill the gap between poly-sinc and poly-sinc-xtr/ext2. Added support for CD playback on macOS. Support for matrix pipeline configuration profiles that can be switched remotely. New stream buffering implementation for Roon and other streaming sources. NAA protocol handling fixes. CPU core allocation improvements with better SMT support. Various fixes and component…

EC modulator optimizations, CPU core allocation optimizations. Volume management fixes for Direct SDM.

Three new very high accuracy modulator variants added. Improved search functionality in Client. Various bug fixes and component updates.

Various bug fixes and usability improvements. Also includes improved NAA connectivity. Control API fixes and improvements.

Fixes a glitch when starting playback using DoP with ALSA backend on Linux. Package version 3.25.4-86, please reload product page and download new package.

Component updates, fixes and small improvements.

Various bug fixes and usability improvements.Note! Changes to DirectSDM behavior with volume control, please check your settings and volume!

Various bug fixes and usability improvements.

Fixes control interface connectivity issue in certain cases.

Maintenance period will last at least for a year.

New client-server model with a separate client/control application. Server side graphical interface has been streamlined. Support for realtime audio inputs. Support for separate filter selection for 1x source rates and higher rates. Client application can be also used with HQPlayer Embedded. Various improvements to the control API. Upgrade discount coupon codes available for existing customers of HQPlayer…

Fixes regression in ALSA format selection on Linux. Package version 3.25.3-84, please reload product page and download new package.

Support for IPv6 NAA connections on macOS. Support for linear gain scale factors in pipeline matrix, including negative factors for phase inversion, allowing creation of various stereo multichannel matrix encode/decode, such as M/S stereo. More flexible output format selection to allow use of 16-bit output formats to reach higher sampling rates on macOS for example.…

Bug fix and component update release. Fixes number of bugs, including some crashes.

Updates DSD-to-DSD rate conversion algorithm. Fixes regression where matrix initialization fails without convolution filter.

Option for extracting embedded cover art when detached cover art is missing. Small user interface improvements. Support for CUDA 10 and new GPU hardware variants (requires latest drivers). On Linux this is first release built for Ubuntu 18.04 LTS (Bionic Beaver). Menu options for removing license key and clearing data. Number of bug fixes.

Two new filters, poly-sinc-ext2 with special two stage design for SDM output and sinc-M one million tap sinc-filter. Old “sinc” filter has been renamed to more descriptive “ASRC”. Optimizations to CIC integrator for lower CPU load. New control interface methods to switch between time display modes.

New “mega” variants of closed-form filter with one million taps for PCM and 16 million taps for SDM, these filters work great on GPUs too. Updated GPU support and some other minor updates.

Added support for custom “ALBUMARTIST” tag in FLAC. Improved search with track names. Fixed problem running Linux version on AMD CPUs.

Improved usability of touch interface for mouse use with view flick zones on edges and scroll bar on the cover flow, all together with a small facelift. Setting multicore DSP to enabled now goes full-on with all cores allowing small experimental tuning versus core allocation of auto-mode when operating on the edge of CPU capabilities.…

Both touch and desktop interface can now be kept visible simultaneously when full-screen mode is disabled. CUDA framework update to version 9.2, requires latest display drivers. Various performance optimizations and tunings.

Small bug fixes and performance optimizations.

Small user interface tweaks, support for date metadata for remote control applications, update “invisible” metadata on rescan and number of bug fixes.

Fixes regression with certain types of impulse response WAV files for convolution engine. Adds more metadata fields to the library data for control API purposes.

Fixes and improvements in the control API. CUDA updates and tunings, now it is also possible to offload only convolution engine. Other small improvements and fixes.

Fixes regression on handling 64-bit floating point WAV files. Also fixes closed-form filter misbehavior on certain GPU configurations (1080Ti). Cleans up filter, dither/modulator and rate settings when automatic output mode switching is used, this also cleans up the reported status information towards control applications.

Fixes and extensions to the control API functionality with better support for remote control applications like HQPDcontrol! Support for large RF64 (EBU Tech 3306) WAV files used for hires content. Split HQPlayer configuration and library into separate files making it easier to switch configurations without affecting library. New shortcuts on Windows and Linux for starting HQPlayer…

Optimizations to CPU core usage in automatic multicore DSP mode. Fixes to new control API functions.

Fixes minimum phase filter initialization problem on Windows. Small improvements.

Extended control API functionality, updates, optimizations and bug fixes.

Due to crashes with latest Win10 updates, license management module has been replaced on Windows version, old license keys can be converted to a new key file format. Number of small fixes and improvements on all platforms.

Fixes playlist management regression from 3.16.3.

Fixes crash at application startup after Windows 10 update KB4016871/KB4019472. Plus various minor changes.

Further improved multi-core CPU support and number of small fixes and improvements.

Reliability and performance improvements. Improved support for higher number of CPU cores (8+) and automatic configuration for multicore systems.

Bug fixes and performance improvements. Also a new option in control interface to select transport type.

New poly-sinc-xtr “extreme” filters, update for Linux package forward compatibility, updates and fixes to the control protocol, number of smaller fixes and improvements.

Changes logic when loading items from the library; single click loads item and double click also immediately starts playback of the loaded item. Re-enables CUDA support on macOS and workaround for a case where CUDA freezes in certain environments. Cleans up metadata with extra whitespaces on import.

Transport state persistence over restarts and some bug fixes.

Support for native non-DoP DSD on various DACs, such as iFi and Marantz. Allows DSD256 on iFi iDSD Nano and DSD512 on iFi iDSD Micro.

New CoreAudio and ASIO backends for the Mac OS X version. Possibility to switch backends from the Settings dialog on all platforms. Redesigned “-2s” oversampling filters now offering equivalent technical performance compared to “non-2s” versions. Modulator tuning, especially for highest SDM rates. Number of smaller changes and improvements.

Fixes playlist editing regression. This problem existed only in Windows version.

Fixes regression in DSD-to-PCM conversion settings management. Minor fixes and improvements.

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.

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.

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!

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.

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.

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.

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.

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.

Fixes some GUI logic regressions and some other minor bugs.

Some fine tuning of DSD7 modulator. Number of small fixes.

Redesigned DSD7 modulator plus number of fixes and improvements in various different areas.

First experimental release of full HQPlayer Desktop for ARM platform is now available for the SolidRun CuBox.

Fixes a 2.9.0’s regression in the half-band down-sampling algorithm and in the convolution engine.

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…

HQPlayer Desktop 2.8.4.3 for Windows available to fix a playback start problem on Windows 8 WASAPI with some device drivers.

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.