Version 4.0.0

Notable Changes

• Added new room to the dataset: R30 Small Room D
• Added more averaged HpCFs including: Audio-Technica lineup, Bose Soundlink, Grado GS+SR, HyperX Cloud, JBL lineup, Logitech G, Plantronics Backbeat Pro, Sony MDR 7500, SteelSeries, and ZMF
• Matched the levels of all HpCFs to -6dB in the low frequencies
• Changed naming convention of all IRs for shorter file names
• Minor frequency response optimisations made to some rooms
• Updated HpCF plots
• Updated E-APO configs with support for the new room

Version 3.9.0

Notable Changes

• Added new room to the dataset: R29 Studio A
• Improved subwoofer IR integration and equalisation for most rooms
• Minor optimisations made to subwoofer IR integration for most rooms, including: R05B, R09-R12, R15-R17, R19-R23, and R25-R27
• Improved simulations of virtual rooms (R23 Small Room A, R27 Lecture Room, and R28 Small Room C)
• Corrected the gain of room R23 (Small Room A)
• Updated E-APO configurations for R22 Large Room
• Updated E-APO configs with support for new room

Version 3.6.1

Notable Changes

• Added new room to the dataset: R28 Small Room C
• Updated E-APO configs to support new room
• Adjusted direct-to-reverberation ratios of the virtual rooms
• Minor frequency response optimisations made to other rooms

Version 3.5.0

Notable Changes

• Added new room to the dataset: R27 Lecture Room
• Changed source position for the front right azimuths of the R06 P2 BRIRs for an improved stereo image
• Improved subwoofer IR integration for most rooms
• Increased direct-to-reverberation ratio of room R26 BRIRs
• Improved simulations of virtual rooms (R22, R23, R24, and R26)
• Fixed incorrect delays affecting some azimuths of room R06P1
• Minor optimisations made to other rooms
• Updated E-APO configs for room R14 with surround sound support
• Updated E-APO configs to support new room
• Ordered E-APO configs by reverberation time

Version 3.2.1

Notable Changes

• Added new HpCFs for the following headphones:
  AKG: K280, Y50BT
  Audeze: LCD2, LCD2 Closed, LCD2C, Sine
  Focal: Clear, Elear, Elex, Utopia
  Fostex: T-X0, THX00
  MrSpeakers: Ether C Flow, Ether Flow
  Koss: ESP95X, ESP950
  Sennheiser: GameOne, HD25-I, HD540 Ref-II, HD58x Jubilee, HD598SR, HD660S, HD820
  Sony: MDR Z1R, MDR Z7, WH1000XM2
  Others: Monoprice M1060, NAD Viso HP70, HiFiMAN HE4XX, JBL Duet, Logitech G930
• Added new averaged HpCFs and updated existing ones for the applicable headphones
• Added new HpCF plots
• Improved simulations of rooms R23 (small room A) and R26 (small room B).
• Decreased direct-to-reverberation ratio of room R14 (classroom)
• Ordered E-APO configs by reverb time
• Fixed a minor issue with subwoofer RIR integration for most rooms

Version 3.1.0

Notable Changes

• Added new BRIRs for room R22 (large room) position 2
• Improved subwoofer RIR integration for all rooms: decreased crossover frequency and better RIR selection.
• Improved simulations of room R22 (large room), R24 (seminar room TU Berlin) and R26 (small room B).
• Improved externalisation of room R12 (stairway).
• Increased direct-to-reverberation ratio for rooms R20P1, R24, and R26
• Reordered and updated E-APO configs
• Fixed compensation filter for on-ear headphones

Version 3.0.1

Notable Changes

• Added a new room to the dataset: R26 Small Room B
• Reordered E-APO configs by approximate room reverb time
• Updated HpCF plots. Normalised at low frequencies and more detail provided
• Corrected pinna compensation
• Reduced room correction strength for the following rooms: R02 (Control Room 1), R04 (Control Room 7), R11 (Small Broadcast Studio), and R21 (Chamber Music Hall)
• Improved simulation of room R22 (Large room)

Version 2.21.0

Notable Changes

• Added a new room to the dataset: R25 TV Studio
• Added HpCFs for Beyerdynamic DT1990, Logitech G433, and Razer ManOWar
• Added a filter for improved diffuse-field equalisation for all headphones. New filter is located in the 'HpCFs\Additional_Filters' folder.
• Added averaged HpCF for Audio Zenith PMX2.
• Combined sets of positions for rooms R08P1+P2 (Room Spirit)
• Increased direct-to-reverberation ratio of room R24 BRIRs
• Decreased direct-to-reverberation ratio of room R11 P2 BRIRs
• Changed positions of R11P2 BRIRs (Small Broadcast Studio) for some azimuths
• Improved Subwoofer integration
• Fixed azimuths of room R20P2 BRIRs (Seminar Room RWTH Aachen)
• Fixed an issue with subwoofer integration
• Fixed an issue with pinna compensation
• Fixed azimuths of room R11P2 BRIRs
• Updated headphone-type compatibility filters
• Updated E-APO configs

Version 2.17.0

Notable Changes

• Added new rooms to the dataset: R23 Small Room and R24 Seminar Room, TU Berlin
• Included a filter for compatibility with on-ear headphones
• Moved compatibility filters to a separate folder: 'Compatibility_Filters'
• Included an additional HpCF for Oppo PM-3
• Updated E-APO configs

Version 2.15.0

Notable Changes

• Added more HpCFs to the dataset
• Updated averaged HpCFs for each applicable headphone
• Combined sets of positions for room R19P1+P2 (Coupled rooms)
• Updated E-APO configs
• Fixed a minor issue with room correction for rooms R09 and R22
• Included alternative HpCFs for 1MORE in ear headphones
• Added HpCFs for Focal spirit, Oppo pm3, and Audeze LCD2C
• Updated HpCF plots
• Improved surround E-APO configs for room R10 (Auditorium 3)