2L Immersive Channel Identification 7.1.4 Test Files (Dolby Atmos TrueHD & Auro3D)

The 2L Immersive Channel Identification 7.1.4 Test Files identify the channels in a 7.1.4 Channel Dolby Atmos TrueHD, Auro3D and DTS:X Immersive Audio MKV playback system. It is available at NativeDSD for $4.99. The voice guides you quickly around the sphere. Then each channel play a range of sinus tones to verify level and bandwidth of reproduction. These test tones also serve to check transparency and properties of the codecs, including fold-down and headphone virtualization. The tones start at 30Hz and ascend in octaves: 30 - 60 - 120 - 240 - 480 - 960 - 1.920 - 3.840 - 7.680 - 15.360 Channel order within interleaved WAV: 1: L 2: R 3: C 4: Lfe 5: Ls (side/surround) 6: Rs (side/surround) 7: Lrs (rear/back) 8: Rrs (rear/back) 9: Ltf (height front) 10: Rtf (height front) 11: Ltr (height rear) 12: Rtr (height rear) If your immersive speaker layout is 5.1.4 then please omit/mute channel 5 and 6 from these files. If your immersive speaker layout is 5.1.2 then please also omit/mute channel 11 and 12 from these files. NOTICE: For the time being, Dolby Atmos MKV dowloads are provided as direct download dropbox links and are not available for download through the downloader app. The download link will be supplied at checkout.