Version 2.70 (November 01, 2013) - better CPU utilization - added Automatic Notch Filter - added AFC for AM and FM. AFC can be deactivated in ECSS mode - smoothed S-Meter display - enhanced parameters for "SDR on IF output" - new keyboard shortcuts for Lo/HiCut and WAV files - "spectrum" switchable to Autocorrelation/Cepstrum display (Click on "Spectrum" label) - TX-Button for HRD(DDE) / CAT to HDSDR - added 'Double Size' option in Frequency Input Dialog - Frequency Manager now provides 5 User Banks - many fixes and improvements Version 2.63 (July 20, 2013) - offset for additional Converter (behind Omni-Rig controlled receiver) - general "mute on TX" option for CAT/HRD(DDE) - fixes and improvements for "RF front-End options" - microphone input is also saved in AF recording (TX) - some small improvements and fixes Version 2.62 (June 09, 2013) - extended range for AGC threshold - added more options for 'SDR on IF output' - full synchronization for Ham Radio Deluxe (HRD) using DDE - many fixes and small improvements Version 2.61 (March 30, 2013) - fixed handling of 'non standard' soundcard input sample rate - some other fixes Version 2.60 March 24, 2013) - DC Removal option with adjustable bandwidth (see Options->Channel Calibration for RX) - renamed (existing) 'NB' to 'NB RF' - additional Noiseblanker 'NB IF' - NB, NR and other functions now on single slider in main window - FM bandwidth adjustable independently from HiCut (click FM button again to see slider) - new option: Tune fixed to 'LO <-> Tune offset' - Right click on RF display sets Tune frequency - by changing LO frequency - keeping LO <-> Tune offset - 192kHz output sampling rate allows wider IF recording - Output sampling rate is saved/restored for each mode - added output channel mode (for RX) for audio (listening) and I/Q output (digimode software) - improved LO frequency calibration - Phase clock back on "RF Frontend & Calibration" dialog (see Options) - extended ExtIO interface: Sampling Rate, MGC, AGC, .. - Sync with OmniRig also on unsupported modes - IF offsets per mode - now usable without OmniRig, too - several new Visualization options: - RF/AF displays can be swapped or switched off - added compact mode - without RF+AF display (Shift+X) - enhanced waterfall: added TimeStamps and mouse position shows time & frequency - waterfall color scale just depending on spectrum range (deactivating brightness/contrast), for noise level observation - optimizations for Remote Desktop (RDP) usage (see Options->visualization) - clock display in UTC or local time (see Misc Options) - ECSS improved - fix: AF record level is no longer affected by volume slider - fixed Frequency Manager - many other fixes and improvements Version 2.51 (December 06, 2012) - some fixes and small improvements Version 2.50 (October 30, 2012) - better CPU utilization - better WFM (mono) workaround with 96kHz output samplerate - improved image rejection - ECSS improved - offset per mode (SDR on IF output) - CW-LSB for sync with analog radio - new command line option "Path\ExtIO_xyz.DLL" for ExtIO-DLL selection - enhanced recording scheduler - enhanced multi-monitor support - CW pitch frequency adjustable with mouseclick on pitch-text alternatively with mousewheel on the pitch-text - fixes and improvements for Omni-Rig - some small fixes and improvements Version 2.15 (July 05, 2012) - Bugfix for ELAD FDM-S1 - some small fixes and improvements Version 2.14 (May 19, 2012) - option to show 'Filled Spectrum' - FFT size up to 256k samples - mute RX audio on TX over 'CAT to HDSDR' - fixes and improvements for 'CAT to HDSDR' - fixes and improvements for Omni-Rig Version 2.13 (April 01, 2012) - CAT interface for controlling HDSDR - ExtIO frequency options: added support for Upconverter - control RX/TX (PTT) with Omni-Rig (CAT) - swap I/Q option is saved/restored in WAV file - extensions to the ExtIO DLL interface: ATT, Mute, Swap I/Q, TX, ... - better Wine compatibility - some small fixes and improvements Version 2.11 (November 28, 2011) - bug fix incorrect CW Tune frequency - many more bug fixes and improvements - support frequency control over DDE from SatPC32 and Wisp - DDE auto-record function Version 2.1 (July 23, 2011) - bugfix on sound card selection leading to unsupported wave format - bugfix on very coarse RBW (=small FFT length) - fixed 24 bit recording with ASIO - fixed writes access in hdsdr directory (for some ExtIO DLLs) - independent RBW and Zoom also for AF (lower) spectrum and waterfall - removed privilege option (WOLA processing). A Finer RBW should have same effect - support frequency control over DDE from WXtrack - return to ExtIO with preserved settings after file playback - Frequency Manager state and size/position is saved and restored - some small fixes and improvements Version 2.0 (June 24, 2011) - basic transmit (TX) functionality in modes SSB, AM, FM & CW with additional soundcard I/Q modulated signal pair for the TX input signal (Microphone) is produced on the TX output soundcard. - resizable "window view" now default. new "full screen" mode switchable at runtime - RF spectrum and waterfall is optically zoomed to fit window width independently of FFT resolution bandwidth (RBW). - new collapse mode (Shift-C) - new frequency input dialog is opened by entering any digit - Frequency Manager: - independent lists for: - Eibi - with import / download option - Ham Bands, Radio Bands, User - sort and filter for displayed entries - DDE client - to let HRD (Ham Radio Deluxe) or Orbitron control the frequency - ExtIO frequency options - ExtIO as secondary receiver with fixed IF frequency, f.e. 10.7 MHz while controlling primary receiver with OmniRig - Downconverter an Undersampling Option - LO Frequency calibration for ExtIO - S-meter calibration - more customized OmniRig options - configurable mouse wheel direction - updated keyboard shortcuts (see full list on start menu) - custom profiles (f.e. per receiver) using new command line option "-p profilename" (the profile name should not contain spaces or other local characters) Version 1.0 (December 23, 2010) - program name changed to HDSDR - bug fixed small screen resolution - fixed compatibility of WAV files - support for RAW file recording - WAV files can be directly opened using "open with" from windows explorer - OmniRig: Tune or LO frequency sync - OmniRig: bypass synchronization when shift key hold - notch bandwidth adjustable with mouse wheel down to 5 Hz - small fixes Version 0.81c (November 14, 2010) - ASIO bugfix - FM bugfix - fixed handling of large WAV files - more (switchable) output sampling rates - user defined WAV file split size (unlimited with "0") - better CPU utilization - small fixes Version 0.81 (October 23, 2010) - up to 10 manual adjustable notch filters (click in lower spectrum to set or remove, mouse wheel to change bandwidth) - new FM demodulator - squelch (click on S-meter scale) - improved image rejection - improved bandpass for AM and FM - 3 recording modes: RF, IF and AF(automatic pause on squelch) - recording scheduler - support for Perseus recording format - support for multipart Perseus and SpectraVue WAV files (playback) - optimized OmniRig support - some bug fixes and improvements Version 0.18 (June 25, 2010) - bidirectional OmniRig support - support for Alberto's HPSDR ExtIO (reported by Roger, Ken, ...) - keyboard shortcuts extended (see hdsdr_keyboard_shortcuts.htm) - many small bug fixes and improvements Version 0.152 (April 11, 2010) - bug fix: OmniRig support (reported by Chris) - new command line option "-swapsw" (swap spectrum/waterfall) (reported by Chris) - playback bar optimized - small optimization Version 0.151 (March 31, 2010) - bug fix: ExtIO_*.dll was not found in program directory [installer] (reported by Terry) - bug fix: mouse wheel "LO Mode" incorrect (reported by Manfred) - AM/ECSS bandwidth now 12 KHz (reported by Manfred) - Mouse wheel step 1Hz added (reported by Bertrand) Version 0.15 (March 27, 2010) - maximum frequency now 10 GHz (reported by Alexandr) - WAV playback/record optimized - compatibility to SpectraVue restored (reported by Alf) - WAV control buttons always visible/useable - record/playback now directory independent - total record size displayed - configurable mouse wheel steps (see ) - "WF AVG" on/off function restored (click the AVG label! "#"= off) (reported by Patrick) - smaller screen resolution below 1024x576 supported (down to 640x480) (reported by Rainer) - Omnirig support (reported by Terry and Wolfgang) - 12 KHz output samplerate supported (reported by Paolo) - AM/ECSS output samplerate now 24KHz (reported by Paolo) - "AGC medium" added - update check - some small improvements Version 0.12x (December 22, 2009) - optimized WAV record/playback default WAV-path is now your default document directory you can change the WAV Directory by clicking right the record button larger playback bar (reported by Alf) - zoom center tune frequency (reported by Alf) - Band selector Version 0.12b (December 05, 2009) - bug fix: ExtIO_*.dll for PMSDR and ElektorSDR crashes (reported by Alexander) Version 0.12 (December 02, 2009) - new command line option -fs (full Screen) full horizontal size without full HD display to the disadvantage of the spectrum size - new command line option -wv (window view) to show in a default window - ExtIO_*.dll processing error check (i.e. SDR14, reported by Terry) - ExtIO_*.dll GUI not automatic shown after restored form minimized (reported by Alf) - optimized main frequency scale - scrolling main frequency scale changed LO (comparable to perseus software) - "Channel Skew Calibration" enhanced (reported by peter) - privilege settings moved to option menu - optimized soundcard handling - new button to show die ExtIO_*.dll GUI manually - new button to show the windows start menu - some bug fixes and optimization Version 0.0.7 Build 06 (July 29, 2009) - real multi monitor support (new command line option "-sd" to show only on secondary display) - maximum LO now 999 MHz (i.e. for 2m or 70cm converter) - extended extreme low speed waterfall - upper frequency scale position now saved - bug fix: command line option fixed - bug fix: FM workaround - bug fix: multi-LO support - bug fix: soundcard management - Windows 7 final test pass Version 0.0.6 Build 08 (May 17, 2009) - bug fix: sometimes hang at startup - bug fix: upper scale trouble while moving down - new control elements arrangement - lower display double size (full HD resolution required) - AGC mode switch (each modulation type stores and restores its own value) - multi-LO support: modulation now assumed - multi-LO support: 2nd frequencies now stored/restored - extreme low speed waterfall (more than 1 day, to be dependent on screen resolution) Version 0.0.4 Build 07 (March 17, 2009) - bug fix: multi-LO crashes without ExtIO_*.dll Version 0.0.4 Build 06 (March 16, 2009) - command line options "-as" (auto start) and "-extio" (auto load ExtIO_*.dll) implemented - website URL and email address on about window - optimized control elements arrangement - new program icon - bug fix: scale SP2 unmovable - multi-LO support: tune frequency now assumed Version 0.0.3 Build 06 (March 06, 2009 - 1st public release) - optimized for better usage of the screen area - supports full HD and double full HD (i.e. multi monitor) horizontal screen resolution - always uses the maximum vertical resolution - minimum screen resolution 1024x576 (i.e. for netbooks) - improve FM sound (workaround) - multi-LO support (2 different local oscillators, unfinished)