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Radio Optimizer Changelog

What's new in Radio Optimizer 7.1.30

Mar 3, 2018
  • New version:
  • Problem with stream rx/tx fixed
  • Mpx section improved

New in Radio Optimizer 7.1.26 (Dec 30, 2017)

  • power limiter 1 / loudnes controling for DMC (NEW):
  • To avoid that very compressed material will be processed with the DMC (distortion masced clipper) the power limiter 1 can be enabled. Also it manages the amount of clipping by dynamic material. A very useful feature to get a bigger sound by attending the program material and avoid over processed sound walls.
  • power limiter 2 / loudnes controling for DAB+ digital radio and FM:
  • The power limiter got a facelift and works now very clean without pumping. Important for fm stations that have to
  • attent the BS412 loudness level (Image) and the EBU R128 -18 for DAB+ digital radio
  • mpx processing:
  • We replaced the old BS412 mpx power limiter, the new one works much better and produces a loud but clear fm signal by attending the fm rules (75 khz, 0dBr)
  • better samplerate converter
  • many bug fixes

New in Radio Optimizer 6.8.1 (May 8, 2016)

  • Put back the DCC and improved it slightly.

New in Radio Optimizer 6.8.0 (May 4, 2016)

  • Removed the distortion cancelled clipper (DCC) because it had no effect.
  • Added a dual band limiter.
  • I have reluctantly come to the conclusion DCC is a faulty concept.
  • The Robert Orban patent number 4,412,100 Figs 1 & 2 were the basis of my implementation.
  • If the non DCC proves to be just as good as the DCC version I will change MBL6 & MBL18.

New in Radio Optimizer 6.6.10 (Apr 25, 2016)

  • Added back the DCC limiters
  • Added DCC band filtering in MBL9
  • A few other improvements to lower distortion

New in Radio Optimizer 6.6.9 (Apr 19, 2016)

  • Fixed bug in MBL9 that was causing distortion.

New in Radio Optimizer 6.6.8 (Apr 16, 2016)

  • Replaced 'Platform' in MBL9.

New in Radio Optimizer 6.6.7 (Apr 11, 2016)

  • Major changes to MBL9.It has lost the 'Plat' controls.
  • Added soft clipping and soft knees.These can be defeated.

New in Radio Optimizer 6.6.6 (Mar 19, 2016)

  • Added band drive & band output controls in the AGC section.
  • Added more options to the pre-emphasis clipper/limiter.

New in Radio Optimizer 6.6.5 (Mar 12, 2016)

  • Additional controls for adjusting the DCC & HF Clipper to reduce distortion.

New in Radio Optimizer 6.6.3 (Mar 7, 2016)

  • Minor bug fixes.
  • Revised look ahead final limiter in all processors for reduced distortion.

New in Radio Optimizer 6.6.2 (Jan 23, 2016)

  • Redisign of the pre-emphasis for lower distortion.
  • MBL18 has returned to the dual multiband architecture.

New in Radio Optimizer 6.6.1 (Jan 8, 2016)

  • Bug fixes.
  • Added a variable threshold to the 'Power Limiter'
  • Removed 1st Order BPF in MBL18.(Needs more development).

New in Radio Optimizer 6.6.0 (Jan 8, 2016)

  • Improved MBL18.

New in Radio Optimizer 6.5.4 (Dec 22, 2015)

  • Added switch to enable or disable bass filter in the DCC.

New in Radio Optimizer 6.5.3 (Dec 19, 2015)

  • Extra controls added to the loudness controller.
  • These control the clipping/limiting threshold.

New in Radio Optimizer 6.5.2 (Dec 16, 2015)

  • Added loudness controllers to the three processors.

New in Radio Optimizer 6.5.1 (Dec 14, 2015)

  • Loads of minor bug fixes.
  • The pre-emphasis has options to place more of the pre-emphasis on the ouput.

New in Radio Optimizer 6.5.0 (Dec 8, 2015)

  • New DCC version of MBL18.
  • Some minor bug fixes.

New in Radio Optimizer 6.4.3 (Nov 30, 2015)

  • The ST:L link will now pass 'NowPlaying' information.
  • Altered the default presets.

New in Radio Optimizer 6.4.2 (Nov 18, 2015)

  • Sightly altered the pre-emphasis to remove occasional distortion

New in Radio Optimizer 6.4.1 (Nov 10, 2015)

  • Ficed DCC filtering pronlems,

New in Radio Optimizer 6.4.0 (Nov 10, 2015)

  • Add a DCC version of MBL9,
  • Somr simplicication of the DCC contriks,#
  • MBL5 has been removed,

New in Radio Optimizer 6.3.13 (Sep 2, 2015)

  • Fixed crash in WinXP.

New in Radio Optimizer 6.3.11 (Sep 1, 2015)

  • All the changes relate yo MBL6 DCC.
  • Added optional extra siltering to the multi-band.
  • Added optional secomd Limiter.

New in Radio Optimizer 6.3.10 (Aug 27, 2015)

  • It is now possible to use the '&' for streaming the current track name.
  • The '&' is changed to 'and'.
  • New 6 band distortion cancelled processor.(MBL6 DCC).
  • It is now the default processor.
  • DCC versions of MBL9 & MBL18 will be released soon.

New in Radio Optimizer 6.3.9 (Aug 23, 2015)

  • Multiband platform (Plat) time constant can now be switched off across all three processors.
  • Minor other changes.

New in Radio Optimizer 6.3.8 (Aug 1, 2015)

  • Minor change to the clipper to reduce distortion.

New in Radio Optimizer 6.3.7 (Jul 31, 2015)

  • Bug in bass side-chain fixed.

New in Radio Optimizer 6.3.6 (Jul 30, 2015)

  • All three processors have a common Dual Band li miter.
  • Improved the ptr-emphaasis.
  • MBL8 filter changed to 1st order BPF,

New in Radio Optimizer 6.3.5a (Jul 27, 2015)

  • Fixed crash on exit on Win XP (May also affect other 32 bit versions of Windows).

New in Radio Optimizer 6.3.5 (Jul 27, 2015)

  • Fixed 2 bugs in MBL18.
  • One caused a crash in MBL18 with the BPF5 band filters.

New in Radio Optimizer 6.3.4 (Jul 27, 2015)

  • New band filters for MBL5 (Garde - Butterworth).
  • Fixed long standing bug in the clipper giving lower distortion.(Affected all processors).
  • Many little changes to MBL5.

New in Radio Optimizer 6.3.0 (Apr 29, 2015)

  • New optimized filters in the multiband & limiter sections of MBL5
  • MBL9 will be done nest
  • MBL18 may not be possible

New in Radio Optimizer 6.2.23 (Apr 18, 2015)

  • Fixed error in MBL5 EQ section 1.
  • Changes to the clipper in MBL5 & MBL9.
  • New Controls section devoted to bass controls in MBL5.

New in Radio Optimizer 6.2.21 (Mar 23, 2015)

  • Fixed error in MBL5 Bass Enhancer.
  • Lowered the bass filter order in MBL18 to improve sound quality.

New in Radio Optimizer 6.2.20 (Mar 23, 2015)

  • Changed default filter type to 3rd order.(Sounds better)
  • Added option in MBL5 to unlink the time constants in MBL5 multiband section

New in Radio Optimizer 6.2.19 (Mar 13, 2015)

  • Fixed bug in MBL5 that was causing erratic crashes.

New in Radio Optimizer 6.2.18 (Mar 2, 2015)

  • Removed redundant clipper drive control in MBL9HD
  • Modified the factory presets to reduce mid range distortion

New in Radio Optimizer 6.2.17 (Feb 16, 2015)

  • Mended MBL9HD.

New in Radio Optimizer 6.2.16 (Feb 14, 2015)

  • Fixed error in preset/format headers.
  • The factory presets will now be shown correctly.

New in Radio Optimizer 6.2.14 (Jan 20, 2015)

  • Mainly improvements to MBL9HD

New in Radio Optimizer 6.2.13 (Jan 19, 2015)

  • Improved MBL5.
  • Added bass enhancer.
  • Added a compressor.
  • Added option for changing the bass crossover frequency.

New in Radio Optimizer 6.2.11 (Jan 10, 2015)

  • Fixed MBL9 pre-emphasis.

New in Radio Optimizer 6.2.10 (Jan 5, 2015)

  • Fixed crash under Wo,XP.

New in Radio Optimizer 6.2.9 (Jan 5, 2015)

  • Simplified theHF pre-emphasis tp a single band. (It works bettter that way).

New in Radio Optimizer 6.2.8 (Nov 10, 2014)

  • Altered bandwidth of the RDS encoder filter.
  • RDS should now work better.

New in Radio Optimizer 6.2.7 (Nov 3, 2014)

  • Fixed phasiness of pre-emphasis.

New in Radio Optimizer 6.2.6 (Nov 3, 2014)

  • Improved the sound quality of the main processor.
  • Replaced the pre-emphasis with an improved dual band one.

New in Radio Optimizer 6.2.5 (Oct 9, 2014)

  • 'Now Playing' now remembers the settings.

New in Radio Optimizer 6.2.4 (Sep 13, 2014)

  • Updated MBL9 to the standard of MBL5.MBL9 is now probably the best sounding of the 3 processors.
  • Added some presets contributed by a user to MBL5.

New in Radio Optimizer 6.2.3 (Aug 29, 2014)

  • A whole host of small improvements to MBL5 'hellfire'.
  • MBL4 has been removed.
  • MBL5 is now probably the best sounding of the three processors at the moment.

New in Radio Optimizer 6.2.2 (Aug 11, 2014)

  • Fixed the ASIO low latency operation in MBL18 'hurricane'.

New in Radio Optimizer 6.2.1 (Aug 9, 2014)

  • Fixed the ASIO low latency operation in MBL4 'hellfire'.

New in Radio Optimizer 6.2.0 (Aug 6, 2014)

  • Sonos 4 is now a freeware application.
  • Currently the most developed and best sound is achieved using MBL4/5 'hellfire' processor..
  • The processors are in a state of transition to techniques used in MBL4 & the Inovonics Omega processor.
  • Hopefully this is a route to quality & loudness.

New in Radio Optimizer 6.1.2 (Jun 26, 2014)

  • Added band linkages to Mbl5.
  • Improved the pre-emphasis with quality options.

New in Radio Optimizer 6.1.1 (Jun 23, 2014)

  • Changes to the clippers to reduce distortion.
  • The default values of the processors have been updated.

New in Radio Optimizer 6.1.0 (Jun 17, 2014)

  • Many changes to the processors.The result is slightly louder and better mid-range.
  • (The new clipper and pre-emphasis use methods from the old MBL4 processor.)

New in Radio Optimizer 6.0.2 (Mar 24, 2014)

  • Moved all EQ sections in the processor to reside between the AGC and Multi-band sections
  • Added an experimental 'Auto EQ' feature to MBL5
  • Default processor changed to MBL5
  • The demo version will now run at the same time as the full version.This enables key generation without interruption

New in Radio Optimizer 6.0.1 (Mar 17, 2014)

  • The minimum display resolution is now a warning
  • This allows Sonos 4 to run even if it overlaps the edges of the screen
  • Default processor reverted back to MBL9
  • Changes to the default settings in all three processors
  • Changes to factory presets

New in Radio Optimizer 6.0.0 (Mar 10, 2014)

  • Change of version munbering to v6.0.0.This indicates the processors are now the best ever to my ears.
  • The multiband processors now have 3 platform oprions.
  • Changes to some default values.

New in Radio Optimizer 5.1.17 (Feb 25, 2014)

  • Added an input mixer to the STLs
  • This is the only change

New in Radio Optimizer 5.1.16 (Feb 12, 2014)

  • Minor changes to some processor default values.
  • The default processor is now MBL5 which probably sounds the best and is easier to adjust.
  • Changes to factory preset files to correct errors.
  • The installer should now work correctly across the full and demo versions.

New in Radio Optimizer 5.1.15 (Feb 10, 2014)

  • Minor changes to the default control values
  • The installer now dumps the factory presets to the user preset directory

New in Radio Optimizer 5.1.14 (Jan 21, 2014)

  • Added a 2 or 3 band limiter between the multi-band and clipper for MBL9 & MBL18.

New in Radio Optimizer 5.1.13 (Jan 8, 2014)

  • Added MP3 stream support in Stream RX.

New in Radio Optimizer 5.1.12 (Jan 4, 2014)

  • Fixed minor bugs
  • Hopefully improved factory presets

New in Radio Optimizer 5.1.11 (Jan 3, 2014)

  • Fixed crashes on Windows XP
  • Modified the SideChain Filter (SCF) slightly to have less effect upon the overall time constant
  • Added release options to MBL18 to make it like the other processors
  • Removed the Global Processor Enables in light of the fact there are only 3 processors in total
  • The player now plays MP3 filrs on Windows with a MP3 decoder.(Win 7 has it,XP does not)
  • Reduced glitches when changing presets.I think some crashes have happened because of a lack of thread protection

New in Radio Optimizer 5.1.10 (Dec 18, 2013)

  • The clippers have been improved.
  • There is a selection of clipper options.If in doubt use the 3 Band Medium Latency option for FM and the 9 Band High Latency one for when the total delay is not important.

New in Radio Optimizer 5.1.9 (Dec 5, 2013)

  • The 3 processors have had dual mode PPM or Plat(form) mode
  • The default is Plat with slow attack & release times to reduce pumping
  • This brings to an end abount 6 months of rapid change to a close
  • The processors now have a a 'Proc Info' menu option
  • This at the moment shows the version information of the processor and date last modified
  • Next is some research into an improved clipper

New in Radio Optimizer 5.1.8 (Nov 16, 2013)

  • Modified the Stream TX handling of streaming connections.
  • In multiple stream mode there should be less interaction between the streams.
  • The default processor has beeen changed to MBL9HD.

New in Radio Optimizer 5.1.7 (Nov 11, 2013)

  • Further tweaks to the side chain filtering on all processors.
  • More tweaks to the clipper to reduce distortion.
  • Added an HD option to MBL9.In this mode the bandwidth is 20kHz.HD options will be added to MBL5 & MBL18 in future releases.
  • The seperate MBL9HD processor has been removed.
  • Added a 9 band clipper option to MBL9HD.This further reduces distortion but has high latency so cannot be used with low latency FM/AM options.
  • Added HPF options to MBL18.Also added AM LPF options.
  • Adjusted factory presets slightly.
  • License data now inaccessible when logged off.

New in Radio Optimizer 5.1.6 (Oct 30, 2013)

  • Added optimum side chain filtering in the multiband limiter and the final limiter.
  • This applies to MBL5,MBL9 & MBL18.
  • Modified the factory presets to take advantage of this new feature.
  • Simplified the final limiter in MBL5,MBL9 & MBL18.
  • Fixed bug in the license data.The order number now accepts letters as well as numbers.
  • Time limited licenses now available.

New in Radio Optimizer 5.1.5 (Oct 15, 2013)

  • Removed the VT (Variable Threshold) option from all processors.
  • More tidying and simplyfying of the processors. This will continue through the next few releases.
  • Changed the presets slightly. Mainly reduced the final limiter drive to reduce bass crushing of the mid range.
  • Chages to licensing. For the full version there is a two stage activation procedure.
  • The demo version now does not interrupt the sound for 1s every 2min. The sound card input has been removed along with other input options. The only input option that works is the Player. This allows basic evaluation.
  • The next release will introduce a new HD 18 band processor.MBL9HD will be removed.
  • Also to be introduced are time limited licenses to allow full evaluation of the processors.

New in Radio Optimizer 5.1.4 (Aug 20, 2013)

  • Finally found the problem with the controls crashing the application.
  • Updated MBL5 to the standard of MBL9 & MBL18.

New in Radio Optimizer 5.1.1 (Aug 13, 2013)

  • Hopefully fixed the crash problem with the controls in v5.1.0.
  • Bugs in the limiters of MBL9 & MBL18 fixed.
  • Modified the factory presets to reduce the incidence of noticable distortion.
  • Next release will upgrade MBL5 to the latest thinking on the multiband section.

New in Radio Optimizer 5.1.0 (Aug 13, 2013)

  • Changed the way the controls operate internally to speed up start up times.
  • Increased the number of possible instances to 20. The previous value of 8 was too small for the latest generation of CPUs.

New in Radio Optimizer 5.0.0 (Aug 13, 2013)

  • Major upgrade of MBL9 and MBL18 processors.The result is a smoother more even sound.MBL18 probably sounds better that MBL9.
  • The princciple change is to remove the platforms and replace them with a detector that more closely follows the loudness of the sorce.This has been called 'PPM' because the timing of the detector is close to a PPM meter.A PPM meter is a fairly good estimate of the loudness.
  • The second major change is called 'VT' mode.(Variable Threshold). This mode compresses each band above and below the limiting threshold.
  • Minor change is the addition of global enables/disables for each processor.When only one processor is enabled it allows Sonos to run the full 8 instances if your hardware will support the CPU load.Previously only 5 instances were possible.There is a limitation in the Windows operating system that prevents more.The next release will hopefully fix the problem more completely and allow more than 8 instances.
  • Finally the need to install the Visual C++ run time has been removed.If you still get an error message when Sonos is started then install the Visual C++ 10 runtime.

New in Radio Optimizer 4.7.7 (Jun 24, 2013)

  • Fixed bug in Stereo Enhancer.Hopefully it now performs like a Stereo Maxx enhancer.

New in Radio Optimizer 4.7.6 (Jun 4, 2013)

  • Changes to MBL9 for more loudness
  • Cut out some things that were only really experiment (Smoothing & Dual/Tri-Band Limiter removed)
  • Revised the presets
  • MBL18 revised the presets

New in Radio Optimizer 4.7.5 (May 7, 2013)

  • Added the old Stereo Enhancer & Stereo Widener with improvements.
  • Fixed some minor bugs.

New in Radio Optimizer 4.7.4 (Apr 13, 2013)

  • Fixed multi-band compressor slope settings.

New in Radio Optimizer 4.7.3 (Mar 21, 2013)

  • Fixed memory leak in the Recorder in Ogg/Vorbis recording mode.
  • Updated the Ogg/Vorbis libraries to the latest release.
  • Changed the default settings in MBL9 to default to FM 50us pre-emphasis.

New in Radio Optimizer 4.7.2 (Mar 11, 2013)

  • Fixed memory leak that caused the application to hang after a few days.
  • Adjusted the distortion masked clipper to reduce high mid distortion.
  • Add the ability to program the daypart with settings files.

New in Radio Optimizer 4.7.1 (Feb 5, 2013)

  • Fixed the logic error in MBL9 that prevented the compressor only option.

New in Radio Optimizer 4.7.0 (Feb 4, 2013)

  • The flat top clipper (FTC) has been removed because it generated too much distortion.
  • The dual/tri band limiter defaults to off.

New in Radio Optimizer 4.5.0 (Jan 18, 2013)

  • RAdded a flat top clipper (FTC) between the limiter and the distortion masked clipper (DMC).
  • This improves the loudness at the expense of occasional noticible clipping in the FTC..

New in Radio Optimizer 4.4.0 (Jan 14, 2013)

  • Removed a number of features that did not perform well.These include the stereo widener , stereo enhancer and music/speech detector.
  • Removed completely MBL4 , MBL6 & MBL9s processors.
  • Removed the single and tri band AGC options.
  • Added a switchable dual/tri band limiter before the main limiter.This to reduce the pumping of the midband by the bass in the final limiter/clipper.
  • Removed filter options in MBL9.
  • Minor fix to the Stream TX module.

New in Radio Optimizer 4.3.0 (Dec 3, 2012)

  • Added platform to MBL18.
  • Added extra filtering to the side chains in MBL9 & MBL18.
  • Removed obsolete distortion masked clippers in MBL9.

New in Radio Optimizer 4.2.2 (Oct 29, 2012)

  • Added option to strip underscores to the RDS Program Service Name function

New in Radio Optimizer 4.2.1 (Oct 22, 2012)

  • Added extra comfort displays for the Sound Out function and the 'Now Playing' dialog.

New in Radio Optimizer 4.2.0 (Oct 19, 2012)

  • Added a centralized menu option for setting up the 'Now Playing' feature for the RDS generator and the net streaming.
  • Added a UDP port monitor for receiving 'Now Playing' strings.
  • Added a comfort display for the RDS PS Name in the 'Sound Out' status window.

New in Radio Optimizer 4.1.1 (Oct 19, 2012)

  • MBL18 1st order BPF Q increased to give more selectivity. This filter option is now the default.
  • Reverted the default processoir back to MBL9.

New in Radio Optimizer 4.1.0 (Oct 19, 2012)

  • Changed licensing method back to Licensee/Key.
  • Added extra filtering options for AM use.

New in Radio Optimizer 4.0.5 (Oct 19, 2012)

  • Fixed memory leak and orphaned handles in the Player.

New in Radio Optimizer 4.0.4 (Oct 19, 2012)

  • Fixed STL Dynamic connections not being saved.

New in Radio Optimizer 4.0.3 (Oct 19, 2012)

  • Fixed problems entering password when minimized to sys tray at startup.
  • Minimize to sys tray now does not display startup screen.

New in Radio Optimizer 4.0.2 (Oct 19, 2012)

  • Two minor fixes to remove any instability when starting the application.

New in Radio Optimizer 4.0.0 (Oct 19, 2012)

  • Reverted licensing scheme to locking the application to a particular computer.
  • Added a start up screen showing progress of the initialization of the application.
  • Dropped support for the Fraunhofer AAC+ encoder.

New in Radio Optimizer 3.5.5 (May 14, 2012)

  • Fixed a crash in the Player when double clicking playlist items.
  • Added variable threshold to the Failsafe function to get it to work with noisy sound cards.

New in Radio Optimizer 3.5.2 (Apr 23, 2012)

  • STL module has been completely overhauled.
  • The packet re-ordering buffer has been fixed and is now of variable depth.
  • The incoming buffer size now remembers its size. The maximum size has been increased.
  • Numerous minor bug fixes.
  • The Stream TX function now has extra flexibility in where the Winamp plugin encoders reside.

New in Radio Optimizer 3.5.1 (Mar 31, 2012)

  • The Stream TX Plugins dialog now correctly disables the FHG AAC+ option.

New in Radio Optimizer 3.4.7 (Jan 12, 2012)

  • Fixed inaccurate pre-emphasis in MBL18.

New in Radio Optimizer 3.4.6 (Jan 12, 2012)

  • Fixed inaccurate clipping displayed on the 'Limit' meter. This affected all the processors.

New in Radio Optimizer 3.4.5 (Jan 12, 2012)

  • Changes to presets.
  • Attempt to reduce dependencies on Windows XP systems.

New in Radio Optimizer 3.4.4 (Dec 29, 2011)

  • Fixed bug in the multiband section that caused only high frequencies to pass through when bypassed.

New in Radio Optimizer 3.2.2 (Sep 19, 2011)

  • Fixed bug in the branding for the caption bar.

New in Radio Optimizer 3.1.0 (Aug 29, 2011)

  • Fixed a memory leak in the streaming function.(TX Stream).
  • The STL function can now send RS232 (Serial) data over a link. This feature is bi-directional.

New in Radio Optimizer 2.0.0 (Mar 12, 2011)

  • The main addition has been to add web streaming support both in reception and transmission. The only supported stream type is Ogg/Vorbis.It supports both Icecast and Shoutcast servers but Shoutcast does not handle Ogg/Vorbis correctly so it is useless. When the mp3 patents expire I will be able to add support so that Shoutcast servers will become usable.
  • Some bug fixes and additional functionality for the STL.
  • Added minimization directly to 'systray' when Sonos 4 is started automatically on boot.(User request).
  • Added option to apply de-emphasis to the recorder.(User request).