Two developers building indie apps. We're experts on native Apple platform development. Occasionally we work with clients on their projects.
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Engineering
Studio Display Camera occasionally fails to produce frames
Every one in 24 times, when trying to record the camera of the Apple Studio Display, no video is produced and the camera turns itself off. The camera just silently fails without reporting any error.
Tom Lokhorst
Distorted Audio when recording external microphones using AVCaptureSession
In certain situations, when recording audio on macOS using AVCaptureSession and AVAssetWriter, the resulting audio file can sound distorted. This issue is caused by AVCaptureSession reporting CMSampleBuffers of different audio formats.
Stretching audio by small amounts using Swift
Stretching an audio file to a certain length can be useful to fix lipsync issues. Our previous approach didn't work for stretching small durations over a large amount of time. We now have a new solution.