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The beta release of V5.01 is now available for download, see the last post in this thread for the latest files.
Use the "Drivers" selection box at the top left of the Soundcard preferences to select ASIO then choose the ASIO device, input and output. For most reliable measurements use normal or high latency settings on the ASIO driver.
Beta 1 changes:
Beta 2 changes:
Beta 3 changes:
Beta 4 changes:
Beta 5 changes:
Beta 6 changes:
Beta 7 changes:
Beta 8 changes:
Beta 9 changes:
Beta 10 changes:
Beta 11 changes (5th Jan '13):
Beta 12 changes (6th Jan '13):
Use the "Drivers" selection box at the top left of the Soundcard preferences to select ASIO then choose the ASIO device, input and output. For most reliable measurements use normal or high latency settings on the ASIO driver.
Beta 1 changes:
- Added support for ASIO drivers on Windows
- Updated help to add All SPL graph to GraphPanel help
- Tried a tweak to have the big-endian output flag default to on for OS X PowerPC platforms
- Stimulus trace on scope plot is shown at level sweep was made at rather than 100 % FS
- Added sample width selector for dither control on sig gen sine wave generator
- Changed VU meter labelling to show "In" and "Ref In" for input meters with actual input name/channel in tooltip
- Show an error message if user attempts to load an mdat file as a mic/meter or soundcard cal file
- Allow ";" as line comment indicator for imported ASCII files (used by SMAART)
- Added a check on soundcard calibration measurements to warn if measurement appears invalid
- Added impulse response export options to export windowed response or minimum phase response
- Added a warning message after SPL meter calibration if the input level was below -50 dB FS
- Added a MiniDSP-96k equaliser option for 96kHz MiniDSP plug-ins (e.g. for 2x8)
- Added parallel equivalent impedance display for impedance traces
- Bug fix: TS parameters calculation could fail for some measurements
- Bug fix: Problem opening EQ panel with a measurement generated from Trace Arithmetic
- Bug fix: Target trace in EQ window did not include house curve when there were no measurements loaded
- Bug fix: Do not use physical fonts unless default Locale language is en to avoid undisplayable characters
- Bug fix: Export RT60 data as text was broken
- Bug fix: Fill filter traces filled the house curve section of the target if a house curve was loaded
- Bug fix: Force use of decimal point as decimal delimiter in SPL meter SPL value
- Bug fix: Adjusted DCX2496 centre frequencies
- Bug fix: Error when trying to upload TMREQ filters from surround or surround back channels
- Bug fix: Exporting filter impulse response as WAV always exported the set from the currently selected measurement regardless of the selection made in the export dialog
- Bug fix: Path to last imported impulse response was not saved correctly on exit
- Bug fix: Hilbert transform had an error that affected envelope calculation
Beta 2 changes:
- Bug fix: EQ progress popup did not stay on top of the EQ window
- Bug fix: Could get LineUnavailableException on start up after using ASIO drivers
Beta 3 changes:
- Warn user if ASIO buffer length not a power of 2 and disable multiple sweeps
- Allow for ASIO driver reset, resync or buffer size change while REW is running
- Suppress ASIO error on shutdown
- Bug Fix: SPL Meter could give "input not available" error on start up after using ASIO drivers
Beta 4 changes:
- Removed requirement for ASIO buffer length to be a power of 2 for multiple sweeps
Beta 5 changes:
- Increased internal buffering for ASIO data
- If RTA was running before starting a measurement, measurement would fail
- Only warn about input overrun if measurement result could be affected
- Bug fix: Could get poor quality impulse responses from 88.2k or 96k measurements
Beta 6 changes:
- Made ASIO input buffering more efficient
- Bug Fix: Ohms scale appeared on RHS of SPL overlay even with no impedance measurements loaded
- Bug fix: Possible fix for corruption of EQ window when automatically setting filters
Beta 7 changes:
- Revised calculation windowing for sweeps that do not start at 0
- Bug fix: When using multiple sweeps with Java drivers only a single sweep was generated
Beta 8 changes:
- Added a View preference to select a dark colour scheme
- Added initial support for ADA PEQ equaliser
- Added sample rate selection for filter impulse response export
- WAV, AIFF and PCM files can be dragged and dropped onto the REW main window to import them
- Adjusted levels thresholds on capture monitor to show "high" if gt -10 (was -12) and "low" if lt -30 (was -24)
- Added an Analysis preference setting to limit the max boost from the Mic/Meter and soundcard cal files to 20dB, limit is on by default. SC and Mic/Meter cal traces are translucent in regions where limit is active.
- Allowed the bass limited target crossover and the LF cutoff values to be set to 20kHz max (limits were 150Hz and 50Hz respectively)
- Added a peak trace to the RTA. Peak is reset by the 'Reset Averaging' button. Not available in Spectrum mode, not saved when RTA measurement is saved.
- Allow SPL meter cal figures below 0dB (-180 min) so the meter can be calibrated to read dB FS values if desired
- Captured graph images include the controls panel and data panel if they are visible (e.g. the RT60 data on the FilteredIR graph, the THD data on the RTA)
- Added a View preference (on by default) to limit the rate at which the mouse wheel or trackpad zooms the graph
- Changed drawing of phase wraps to use dashed lines rather than solid
- When exporting measurement data as text smoothed data is exported at 1/4 of the smoothing octave fraction (e.g. at 1/12th octave for 1/3rd octave smoothed data)
- Extended the manual filter optimisation controls to provide separate controls for optimising gain, gain and Q or gain, Q and centre frequency
- Increased filter T60 limit for automatically generated boost filters to 500ms (from 300ms)
- Made filter optimisation faster
- Removed the option to have REW assign duplicate filters to address very large peaks, better results without
- Bug Fix: Cal file loader allowed zero as a frequency, limit now set to 0.1Hz (lower values are ignored)
- Bug Fix: Changing the measurement name changed the RT60 Topt trace label
- Bug Fix: If REW was maximized then iconified before shutting down it started up iconified
- Bug Fix: SPL logger exported data had dB FS values instead of dB SPL
- Bug Fix: Filtered IR octave band changes did not update predicted EQ trace
- Bug Fix: Prevented auto EQ from trying to match target at frequencies below the lowest filter frequency the equaliser supports
- Bug Fix: Filters for the 63Hz and 80Hz 1/3 octave intervals did not work properly at sample rates above 48kHz
- Bug fix: TS parameter search could fail if low frequency impedance was higher than impedance at resonant peak
- Bug fix: Reading filters from AV32R or AV192R with no measurements loaded would fail
- Bug Fix: Changing a filter type from Modal to PK could result in an incorrect Predicted response
- Bug fix: Loading stored filter files could give incorrect Q values
- Bug fix: Scale FR Peak in the Impulse graph changed the ETC scaling
- Bug fix: Modal resonances SPL threshold filter was applying incorrect level
- Bug Fix: Peak dB figures in modal resonances table did not include mic/meter and soundcard cal corrections
Beta 9 changes:
- Added graph to show distortion, individual harmonics up to 10th and THD
- Bug Fix: Soundcard cal file sample rate was checked before soundcard finished initialising, could incorrectly report mismatched sample rates
- Bug Fix: Changing ETC smoothing caused exceptions in locales using comma as decimal delimiter
Beta 10 changes:
- On Windows REW automatically detects the MiniDSP UMIK-1 USB mic, offers to use it for measurement and prompts to load the cal file.
If the USB mic is selected sample rate is set to the preferred value for the mic (48k), capture volume control is set to 0.1 (for no gain), the Mic/Meter settings are set to mic input, use of other channel as a timing ref is turned off and the SPL readings are calibrated for the mic sensitivity. - Improved the waterfall controls to provide better control over appearance and frequency resolution and allow waterfalls to be used for examination of driver and cabinet resonances on full range measurements (see the Waterfall graph help in REW for details). Changes are:
- Added a control to the waterfall plot to select the number of slices, up to 100 (previously fixed at 31)
- Added controls to the waterfall and spectral decay plots to select the rise time of the left hand window
- Added frequency and time axis markings to the floor of the waterfall plot
- Added a control for the smoothing applied to waterfall and spectral decay plots
- Added a control to the waterfall and spectral decay plots to operate in "CSD" mode, with the right hand end of the window remaining fixed rather than the whole window sliding along the impulse response.
- Added a check box to show the modal frequencies for a room on a measurement, requires room dimensions to be entered via the EQ window
- Added a control to the Impulse graph to shift the impulse by a time corresponding to an entered distance
- When the impulse graph t=0 offset samples control is adjusted the time and distance offset controls update to show the equivalent values
- Disable antialiasing when scrolling graphs to provide faster response to the controls
- Disable antialiasing when adjusting waterfall x/y/z/slice sliders to provide faster response to the controls
- Changed the input type selection in Mic/Meter preferences to clarify when the C weighted SPL meter should be selected
- Added a file menu entry to export distortion data as text
- Added CEA-2010 Tone Burst to the signal generator, to measure results use the RTA with FFT Length 65536 for 44.1k or 48k, 131072 for 88.2k or 96k, Rectangular window
- For DSP-30 increased Q resolution to 0.01, max filters to 20
- SPL calibration takes into account adjustments of input volume control (if accessible, i.e. input selected in REW, Java sound driver, running Windows)
- Bug Fix: Changing ETC smoothing was still not working in locales using comma as decimal delimiter
- Bug Fix: RT60 calc could reset an applied IR filter
- Bug Fix: Square wave signal generator did not operate at sample rates above 48kHz
- Bug Fix: Phase wraps in excess phase trace were not drawn dashed
- Bug Fix: RTA one octave and half octave centre frequencies were wrong
- Bug Fix: Filter selection check boxes on EQ filters panel were partially obscured
Beta 11 changes (5th Jan '13):
- Bug fix: Fixed input volume setting SPL compensation for MiniDSP USB mics on Windows 7 & 8
- Bug fix: On Windows 8 the input for the MiniDSP USB mic was not available, could only select the device
Beta 12 changes (6th Jan '13):
- If MiniDSP mic is selected as an ASIO input via ASIO4All do same setup and cal file prompt as for Java drivers
- Adjust SPL readings to compensate for MiniDSP input volume setting when using ASIO drivers
- Calibrate SPL for MiniDSP mic even if user does not load a cal file, using mic default sensitivity
- Updated ASIO interface with latest 32 and 64 bit dlls