5/2/2023 0 Comments Blackhole macosHidden audio devices can be accessed using kAudioHardwarePropertyTranslateUIDToDevice. That way the user will see an input only device while routing audio through to the output behind them scenes. One way to use this in projects is to hide the mirrored device and use it behind the scenes. One will have inputs only and the other will have outputs only. In this situation we have two BlackHole devices. The devices may be customized using the following constants. Mirror Deviceīy default BlackHole has a hidden mirrored audio device. If using multiple sample rates separate each with a. KSampleRates set the sample rate or sample rates of the audio device. This may be helpful if using BlackHole with a high channel count. It can be used to delay the audio inside of BlackHole up to a maximum of 65536 frames. KLatency_Frame_Size is how much time in frames that the driver has to process incoming and outgoing audio. Some applications don't know how to handle high channel counts. Don't use high sample rates with a high number of channels. Although BlackHole is designed to be extremely efficient at higher channel counts it's possible that your computer might not be able to keep up. Be careful when specifying high channel counts. KNumber_Of_Channels is used to set the number of channels. GCC_PREPROCESSOR_DEFINITIONS='$GCC_PREPROCESSOR_DEFINITIONSĬustomizing Channels, Latency, and Sample Rates The following pre-compiler constants may be used to easily customize a build of BlackHole. To install BlackHole copy the BlackHoleXch.driver folder to /Library/Audio/Plug-Ins/HAL and restart CoreAudio using sudo launchctl kickstart -kp system/. To request a license contact Existential Audio. Please support our hard work and continued development.
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