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iPhone audio codec - CNET
https://www.cnet.com/news/iphone-audio-codec/
According to this breakdown by Semiconductor Insight, reported by EE Times, the iPhone uses the same hardware audio codec from Wolfson as the last generation of iPods, meaning it should sound...
Hardware Codec Capabilities - Apple Developer
https://developer.apple.com/documentation/audiotoolbox/deprecated_symbols/1620452-hardware_codec_capabilities
Hardware-based codecs can be used only when playing or recording using Audio Queue Services or using interfaces, such as AVFoundation, which use Audio Queue Services. In particular, you cannot use hardware-based audio codecs with OpenAL or when using the I/O audio unit.
Audio codec used over bluetooth by an iPh ... - Apple
https://discussions.apple.com/thread/6654180
If the receiver (Bluetooth speaker) supports the AAC codec over Bluetooth, will my iPhone (sender) always transcode and transmit to/in the A2DP/AAC VBR 264 kbs audio codec over Bluetooth irrespective of the native codec of the source file (CBR or VBR; MP3, AAC or ALAC; 96 to 1440 kbs bitrate)?
How to enable aptX (HD) Bluetooth audio on your iPhone ...
https://darko.audio/2017/12/how-to-enable-aptx-hd-bluetooth-audio-on-your-iphone-ipad/
Think of SBC as a low power, low-quality fallback codec that keeps music playing when neither smartphone/tablet and/or headphone support AAC or aptX (HD). iOS users: forget about aptX (HD) – for now at least it remains irrelevant to your Bluetooth headphone needs. Instead, seek out AAC in your headphones’ specification sheet.
What are Hardware Audio Codecs and How Do They Work? | ITIGIC
https://itigic.com/what-are-hardware-audio-codecs-and-how-do-they-work/
Precisely the audio codec is usually found on audio boards, being a small chip on the motherboardor inside some other component. But because it is a part that is no longer often looked at the inclusion of hardware audio codecs is found in high-end hardware.
Core Audio Essentials - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
Core Audio Plug-ins: Audio Units and Codecs. Core Audio has a plug-in mechanism for processing audio data. In iOS, the system supplies these plug-ins. In OS X, you have built-in plug-ins and can also create your own. Multiple host application can each use multiple instances of an audio unit or codec. Audio Units
What's Best Audio Format Codec? [Highest Quality 2022]
https://samplerateconverter.com/educational/best-audio-file-format
What best audio file format for mobile phones, iPhone, iPad? If internal phone/tablet's DAC is used, lossless PCM formats are preferable. ... As rule, audio codecs are included to audio conversion software and program or hardware players. Example of audio codec types: mp3 codec, flac codec, aac codec, other.
ios - How to utilize hardware decode for audio? - Stack ...
https://stackoverflow.com/questions/13804429/how-to-utilize-hardware-decode-for-audio
Hardware-based codecs can be used only when playing or recording using Audio Queue Services or using interfaces, such as AV Foundation, which use Audio Queue Services. In particular, you cannot use hardware-based audio codecs with OpenAL or …
iPhone X & 8 support FLAC playback, iOS 11 brings it to ...
https://www.idownloadblog.com/2017/09/14/iphone-x-hardware-flac-codec/
Christian Zibreg ∙ September 15, 2017 Apple’s new iPhone X, iPhone 8 and iPhone 8 Plus have hardware codec support for FLAC, a lossless audio format. iPhone 7 owners will be able to enjoy FLAC-encoded audio with iOS 11. The new Apple TV 4K also lists support for the FLAC codec. FLAC comes to latest iPhones
AAC Bluetooth codec only acceptable on Apple phones ...
https://soundguys.com/the-ultimate-guide-to-bluetooth-headphones-aac-20296/
Along with SBC and Qualcomm’s aptX, AAC is one of the most commonly supported Bluetooth codecs in the wireless headphone and speaker markets. It’s also the default audio data compression used by Apple’s iTunes and Google’s YouTube, and is supported across both iPhone and Android smartphones.
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