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fix: capture system audio as mono

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coder
2026-08-26 11:56:27 +02:00
parent 4e8fdc7603
commit 9f3805733b
2 changed files with 9 additions and 9 deletions
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Meetingnotes.xcodeproj/project.pbxproj
+4 -4
View File
@@ -276,7 +276,7 @@
CODE_SIGN_IDENTITY = "Apple Development";
CODE_SIGN_STYLE = Automatic;
COMBINE_HIDPI_IMAGES = YES;
CURRENT_PROJECT_VERSION = 38;
CURRENT_PROJECT_VERSION = 39;
DEVELOPMENT_ASSET_PATHS = "\"meetingnotes/Preview Content\"";
DEVELOPMENT_TEAM = G9LVHZAJNX;
ENABLE_HARDENED_RUNTIME = YES;
@@ -290,7 +290,7 @@
"@executable_path/../Frameworks",
);
MACOSX_DEPLOYMENT_TARGET = 15.0;
MARKETING_VERSION = 1.1.26;
MARKETING_VERSION = 1.1.27;
ONLY_ACTIVE_ARCH = NO;
OTHER_SWIFT_FLAGS = "$(inherited) -D ENABLE_TCC_SPI";
PRODUCT_BUNDLE_IDENTIFIER = net.jamesbone.meetingnotes;
@@ -312,7 +312,7 @@
CODE_SIGN_IDENTITY = "Apple Development";
CODE_SIGN_STYLE = Automatic;
COMBINE_HIDPI_IMAGES = YES;
CURRENT_PROJECT_VERSION = 38;
CURRENT_PROJECT_VERSION = 39;
DEVELOPMENT_ASSET_PATHS = "\"meetingnotes/Preview Content\"";
DEVELOPMENT_TEAM = G9LVHZAJNX;
ENABLE_HARDENED_RUNTIME = YES;
@@ -326,7 +326,7 @@
"@executable_path/../Frameworks",
);
MACOSX_DEPLOYMENT_TARGET = 15.0;
MARKETING_VERSION = 1.1.26;
MARKETING_VERSION = 1.1.27;
ONLY_ACTIVE_ARCH = YES;
OTHER_SWIFT_FLAGS = "$(inherited) -D ENABLE_TCC_SPI";
PRODUCT_BUNDLE_IDENTIFIER = net.jamesbone.meetingnotes;
meetingnotes/ProcessTap/ProcessTap.swift
+5 -5
View File
@@ -138,11 +138,11 @@ final class ProcessTap {
tapDescription = CATapDescription(stereoMixdownOfProcesses: [process.objectID])
logger.debug("Configuring tap for single process objectID: \(process.objectID)")
case .systemAudio:
// Keep the HAL tap's buffer layout consistent with the default
// output stream. AudioManager performs the stereo-to-mono mix when
// it converts the captured audio to the 16 kHz transcription file.
tapDescription = CATapDescription(stereoGlobalTapButExcludeProcesses: [])
logger.debug("Configuring a stereo global system audio tap.")
// The transcription file is mono, so ask Core Audio for a mono
// mixdown at the source. This avoids interpreting a stereo HAL
// buffer as half as many frames before the 16 kHz conversion.
tapDescription = CATapDescription(monoGlobalTapButExcludeProcesses: [])
logger.info("Configuring a mono global system audio tap.")
}
tapDescription.uuid = UUID()