Using the write method from AVSpeechSynthesizer produces the following error: [AXTTSCommon] TTSPlaybackEnqueueFullAudioQueueBuffer: error -66686 enqueueing buffer This issue has first been seen on iOS 16. More information and code snippet: https://stackoverflow.com/questions/73716508/play-audio-buffers-generated-by-avspeechsynthesizer-directly