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Sound: stereo channels are swapped

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Sound: stereo channels are swapped

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deepspace

Joined: 2015-02-09 19:41:55
Posts: 12

Sound: stereo channels are swapped

Left and right sound channels are swapped. It distorts spatial awareness. Both the windows and linux version are affected.

Test script; drop into a prim together with a sound. Move the prim to the far left of the avi.. and then to to the right:


	Code: default { state_entry() { llLoopSound(llGetInventoryName(INVENTORY_SOUND, 0), 1); } }

Make sure your speakers are setup correctly to begin with (with a stereo test)

Help->About...:


	Code: Cool VL Viewer v1.26.22.11, 64 bits, Jul 7 2018 10:14:52 RestrainedLove viewer v2.09.23.20 Release Notes You are at 2618542.0, 2592351.0, 21.9 in Sandbox Plaza located at plaza11.osgrid.org (142.44.137.38:9303) OpenSim 0.9.1.0 Dev 24df1086fa: 2018-05-04 23:00:34 +0100 (Unix/Mono) CPU: Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz (3200 MHz) Memory: 16188MB OS version: Microsoft Windows 8 64-bit (Build 9200) compatibility mode. Real version: 10.0 (Build 10586) Memory manager: OS native Graphics card vendor: NVIDIA Corporation Graphics card: GeForce GTX 750 Ti/PCIe/SSE2 Windows graphics driver version: 23.21.0013.8813 OpenGL version: 4.6.0 NVIDIA 388.13 Detected VRAM: 2048MB J2C decoder: OpenJPEG: 1.4.0.635d Audio driver: FMOD Studio v1.10.06 Networking backend: libcurl/7.47.0 OpenSSL/1.0.2l zlib/1.2.8 Embedded browser: CEF3 plugin v3.3325.1750.gaabe4c4 Packets lost: 0/3303 (0.0%) Built with: MSVC v1800 Compile flags used for this build: /O2 /Oi /MD /MP /DNDEBUG /D_SECURE_SCL=0 /D_HAS_ITERATOR_DEBUGGING=0 /DWIN32 /D_WINDOWS /W3 /GR /EHsc /Oy- /GS /fp:fast /TP /W2 /Zc:forScope /Zc:wchar_t- /c /nologo /DLL_WINDOWS=1 /DUNICODE /D_UNICODE /DWINVER=0x0600 /D_WIN32_WINNT=0x0600 /DXML_STATIC /DBOOST_ALL_NO_LIB /DLL_LUA=1 /DLL_FMODSTUDIO=1 /DAPR_DECLARE_STATIC /DAPU_DECLARE_STATIC /DCURL_STATICLIB=1 /DLIB_NDOF=1


	Attachments: File comment: log files cool_logs.zip [31.99 KiB] Downloaded 112 times

2018-07-26 09:29:21

Henri Beauchamp

Joined: 2009-03-17 18:42:51
Posts: 5546

Re: Sound: stereo channels are swapped

This bug indeed affects the FMOD Studio audio back-end (Alchemy and Singularity are also affected), not the FMOD Ex neither the OpenAL audio back-ends; it is due to a wrong flag (FMOD_INIT_3D_RIGHTHANDED) being passed to FMOD Studio at initialization time.

Fixed for next release.

2018-07-26 12:12:36

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