# \#audio **URL:** https://forums.swift.org/tag/audio/408.md [Latest](https://forums.swift.org/latest.md) · [Categories](https://forums.swift.org/categories.md) · [Tags](https://forums.swift.org/tags.md) --- ## [AVSpeechSynthesizer occasionally doesn't speak](https://forums.swift.org/t/avspeechsynthesizer-occasionally-doesnt-speak/87505)
**Author:** [@eric\_marshall](https://forums.swift.org/u/eric_marshall)\ **Replies:** 1\ **Last updated:** [June 19, 2026, 5:33am UTC](https://forums.swift.org/t/avspeechsynthesizer-occasionally-doesnt-speak/87505 "2026-06-19T05:33:32Z")
I've written an exercise application that uses AVSpeechSynthesizer to produce audio countdowns during user workouts: "5" "4" "3" "2" "1" "GO", where each individual digit utterance is spoken one second apart from the p… --- ## [An embedded audio product built with Swift](https://forums.swift.org/t/an-embedded-audio-product-built-with-swift/77671)
**Author:** [@lukeh](https://forums.swift.org/u/lukeh)\ **Replies:** 13\ **Last updated:** [March 20, 2026, 8:56am UTC](https://forums.swift.org/t/an-embedded-audio-product-built-with-swift/77671 "2026-03-20T08:56:21Z")
Admittedly, a slight bending of the truth here – we are using embedded Swift, not Embedded Swift, and there's no Swift (yet) in the realtime code. But the vast majority of code is the control plane, which is almost all S… --- ## [Real-time audio DSP in pure Swift, no C++ needed](https://forums.swift.org/t/real-time-audio-dsp-in-pure-swift-no-c-needed/85101)
**Author:** [@CastorLogic](https://forums.swift.org/u/CastorLogic)\ **Replies:** 0\ **Last updated:** [March 2, 2026, 9:23pm UTC](https://forums.swift.org/t/real-time-audio-dsp-in-pure-swift-no-c-needed/85101 "2026-03-02T21:23:37Z")
I open-sourced SignalKit, an audio DSP library I extracted from my shipping macOS app. 7 processors: parametric EQ, multiband compressor, look-ahead limiter, BS.1770 LUFS meter, stereo widener, crossfeed, and a lock-fre… --- ## [Introducing RealtimeSanitizer for Swift](https://forums.swift.org/t/introducing-realtimesanitizer-for-swift/78898)
**Author:** [@jcavar](https://forums.swift.org/u/jcavar)\ **Replies:** 2\ **Last updated:** [March 30, 2025, 4:02pm UTC](https://forums.swift.org/t/introducing-realtimesanitizer-for-swift/78898 "2025-03-30T16:02:20Z")
Hello Swift Community, We’re excited to announce the release of RTSanStandaloneSwift, a real-time sanitizer for Swift! LLVM 20 introduces the new RealtimeSanitizer, which is natively integrated with Clang. RTSanStanda… --- ## [Idea for a declarative audio system for Swift](https://forums.swift.org/t/idea-for-a-declarative-audio-system-for-swift/73975)
**Author:** [@crontab](https://forums.swift.org/u/crontab)\ **Replies:** 1\ **Last updated:** [August 25, 2024, 9:47am UTC](https://forums.swift.org/t/idea-for-a-declarative-audio-system-for-swift/73975 "2024-08-25T09:47:04Z")
At the moment it's just an immature and potentially crazy idea, but wanted to share it to see if it resonates and ideally also discuss the implementation. How does audio work on Apple platforms? At the lowest level, the… --- ## [Issues with \`ExtAudioFileSeek()\`](https://forums.swift.org/t/issues-with-extaudiofileseek/68718)
**Author:** [@dschiller](https://forums.swift.org/u/dschiller)\ **Replies:** 0\ **Last updated:** [November 29, 2023, 7:01pm UTC](https://forums.swift.org/t/issues-with-extaudiofileseek/68718 "2023-11-29T19:01:46Z")
The following code is an iPad App for iOS 16.6 with Xcode 15.0 on macOS Sonoma 14.1.1. In the CoreAudioPlayer.swift file in the method playAudioFile() i try to put the play position of the file back to frame 0. But that… --- ## [How can I build a system audio streamer macos app](https://forums.swift.org/t/how-can-i-build-a-system-audio-streamer-macos-app/65462)
**Author:** [@Davien21](https://forums.swift.org/u/Davien21)\ **Replies:** 1\ **Last updated:** [June 9, 2023, 5:43pm UTC](https://forums.swift.org/t/how-can-i-build-a-system-audio-streamer-macos-app/65462 "2023-06-09T17:43:46Z")
Building an audio streamer macOS app to record system audio and other inputs/outputs: seeking guidance on frameworks and APIs to use. Need suggestions for capturing and saving audio data efficiently. Any recommendations … --- ## [Lullaby - Functional DSP / Audio Framework for Swift](https://forums.swift.org/t/lullaby-functional-dsp-audio-framework-for-swift/57242)
**Author:** [@Jae](https://forums.swift.org/u/Jae)\ **Replies:** 3\ **Last updated:** [May 11, 2022, 3:07am UTC](https://forums.swift.org/t/lullaby-functional-dsp-audio-framework-for-swift/57242 "2022-05-11T03:07:44Z")
Lullaby - Functional DSP / Audio Framework for Swift Swift Package Index Page Hi, as some of you might have seen in this post, I am currently building a cross-platform audio synthesis / computer music framework for Swi… --- ## [AudioToolbox introduction](https://forums.swift.org/t/audiotoolbox-introduction/43498)
**Author:** [@stefan-bmio](https://forums.swift.org/u/stefan-bmio)\ **Replies:** 2\ **Last updated:** [January 2, 2021, 5:54pm UTC](https://forums.swift.org/t/audiotoolbox-introduction/43498 "2021-01-02T17:54:12Z")
Hi. I'm new to Swift development and curious about audio recording in MacOS. Unfortunately, I'm unsuccessful so far trying to record anything. There are several approaches (AVFoundation, AudioToolbox) to choose from and … --- ## [\[Concurrency\] Actors and Audio Units](https://forums.swift.org/t/concurrency-actors-and-audio-units/42664)
**Author:** [@crontab](https://forums.swift.org/u/crontab)\ **Replies:** 8\ **Last updated:** [December 16, 2020, 8:50am UTC](https://forums.swift.org/t/concurrency-actors-and-audio-units/42664 "2020-12-16T08:50:42Z")
At first glance the proposed actor model seems like a great fit in the audio space, potentially also in gaming and other highly concurrent applications. There seems to be one caveat though (unless I'm missing something o… --- ## [OGG Vorbis decoding/playing in Swift](https://forums.swift.org/t/ogg-vorbis-decoding-playing-in-swift/38912)
**Author:** [@atirit](https://forums.swift.org/u/atirit)\ **Replies:** 1\ **Last updated:** [July 30, 2020, 11:57pm UTC](https://forums.swift.org/t/ogg-vorbis-decoding-playing-in-swift/38912 "2020-07-30T23:57:08Z")
I'm attempting to create a client library for a service that sends audio as Vorbis streams. Is there currently a way to play Vorbis audio using Swift? I've managed to link libvorbis to my Swift package, and I've gotten …