HQPlayer is a high quality audio player for Windows. HQPlayer also features several selectable high quality upsampling and downsampling algorithms as well as selectable dither, noise shaping and modulator algorithms. All modern DACs employ oversampling and delta-sigma modulation, however the hardware implementations are more or less resource constrained. Higher quality oversampling and delta-sigma modulation can be done by utilizing vast mount of processing power available in modern PCs. Many AVRs also resample internally to 48, 96 or 192 kHz, with the HQPlayer, these can be fed at the native rate.
Supported source formats:
CDDA (Audio CD)
FLAC
DSDIFF (DFF, non-compressed)
DSF
RIFF (WAV, including DXD/RF64)
AIFF
RAW streams
Supported playlist formats:
M3U / M3U8
PLS
Features:
Software upsampling / downsampling with selectable algorithm up to 32-bit 1.536 MHz or down to 8-bit 32 kHz PCM (28 options, most "apodizing")
Delta-Sigma modulators for upsampling PCM/DSD content up to 98.304 MHz 1-bit SDM (11 modulators, 30 PCM oversampling options and 2 DSD rate converters)
Selectable dithering / noise shaping algorithm (9 options)
Selectable convolution algorithm (FIR) for equalization, such as digital room correction (2 options), for PCM/DSD content
Optional high-frequency expansion for the convolution engine
Software-based digital volume control for PCM and SDM (DSD)
Playback of DSF/DSDIFF files through any supported audio interface (PCM conversion and DSD rate conversion)
Selectable algoritm and noise filters for DSF/DSDIFF PCM playback (11 / 8 options)
Native/direct playback of DSF/DSDIFF files (ASIO DSD, DoP v1.1 with both 0x05/0xFA and 0x06/0xF9 markers)
Playback of stereo, 2.1, 3.0, quadrophonic, 3.1, 5.0, 5.1 and 7.1 channel material
Speaker configuration for multichannel playback (delay and level) for PCM and SDM (DSD)
Matrix processing for routing, filtering and mixing channels with gain, for PCM/DSD content
Bypasses operating system software mixer and sample rate conversion
Support for professional ASIO drivers
Network endpoint support with Signalyst Asynchronous Network Audio Adapters
Support for ID3v2 tags on AIFF, DSF and WAV files (versions 2.2, 2.3 and 2.4)
Smooth level limiter for clipped material
"Dual wire" channel bonding support to reach 2x rates, PCM and DoP (DSD)
64/80-bit floating point processing
Full support for multi-core processors
Light weight desktop-GUI to lower graphics noise
Touch-aware remote control client
DSP offload to GPU using NVIDIA CUDA
System requirements:
Windows 10 - 11 x64
Audio interface with support for WASAPI Exclusive or ASIO
CPU support for SSE4.2 instruction set
Display adapter with OpenGL support
Minimum full-HD resolution (1080p)
PDF reader software (such as Adobe Reader or Foxit Reader)
Home Page - https://www.signalyst.com/
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