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Apple Developer Documentation
https://developer.apple.com/documentation/coreaudiotypes/audiostreambasicdescription#:~:text=In%20Core%20Audio%2C%20the%20following%20definitions%20apply%3A%20An,a%20single%20audio%20channel%20in%20an%20audio%20stream.
Apple Developer Documentation
https://developer.apple.com/documentation/coreaudiotypes/audiostreambasicdescription
In Core Audio, the following definitions apply: An audio stream is a continuous series of data that represents a sound, such as a song.. A channel is a discrete track of monophonic audio. A monophonic stream has one channel; a stereo stream has two channels. A sample is single numerical value for a single audio channel in an audio stream.. A frame is a collection of time …
AudioStreamBasicDescription Struct (AudioToolbox ...
https://docs.microsoft.com/en-us/dotnet/api/audiotoolbox.audiostreambasicdescription
The audio stack processes audio as a stream of audio packets. This data structure is used to describe the contents of these audio packets and contains information like the sample rate used for the audio samples, the format of the individual audio packets, the number of channels in the packets and the bits per channel, and so on.
Apple Developer Documentation
https://developer.apple.com/documentation/coreaudiotypes/1572097-audiostreambasicdescription_flag
Core Audio Types ; CoreAudioType Constants ; AudioStreamBasicDescription Flags ; Language: Language: Swift ; Objective-C ; API Changes: None; Enumeration Audio Stream Basic Description Flags. Standard flags for use in the m Format Flags field of the Audio Stream Basic Description structure. Availability. iOS 2.0+ iPadOS 2.0+ macOS 10.0+ tvOS 9 ...
iphone - AudioStreamBasicDescription for mp3 - Stack …
https://stackoverflow.com/questions/6179481/audiostreambasicdescription-for-mp3
what is a reasonable set of values for a core audio AudioStreamBasicDescription for an mp3? 3. Convert audio linear pcm to mp3 ( using LAME ) with the help of AudioQueueServices example in iOS. 4. Audio Conversion(MP3 to PCM) in Swift. 3. AudioStreamBasicDescription setting values for wav. 5.
Core Audio: a quick example using Extended Audio File ...
https://vboehm.net/2017/01/core-audio-a-quick-example-using-extended-audio-file-services/
Core Audio: a quick example using Extended Audio File Services. ... Zeroing out the AudioStreamBasicDescription structure before populating the specific fields is a good idea, as with some formats we don’t know (and can’t know) every single field in advance and need to set those to zero anyway.
How to specify bitrate for an …
https://stackoverflow.com/questions/29780397/how-to-specify-bitrate-for-an-audiostreambasicdescription-in-coreaudio
I'm recording some PCM audio using an Audio Unit. In the callback, when I have 30 seconds of audio, I want to write to disk an 8000Hz AAC encoded file with a …
詳説 AudioStreamBasicDescription / AVAudioFormat - Pebble …
https://pebble8888.hatenablog.com/entry/2017/01/08/134359
CoreAudioでよく使われるAudioStreamBasicDescription これはC言語の構造体で使いづらいです。 macOS10.10, iOS8以降ではAVAudioFormatと相互変換できますので、これを経由するとコーディングが簡単になります。 まずは実例を見ていきます。 よく使われる.wavファイルのフォーマットを作ってみます。 let fmt ...
Introduction into iOS Core Audio. Before starting playing ...
https://blog.devgenius.io/introduction-into-ios-core-audio-1ec9ea15c47c
Core Audio is the digital audio infrastructure of iOS and OS X. It includes a set of software frameworks designed to handle the audio needs in your applications which is optimized for the computing resources available in a battery powered mobile platform. ... You can find more details about AudioStreamBasicDescription. Magic Cookies. It refers ...
AudioStream Class Reference
https://rnine.github.io/SimplyCoreAudio/Classes/AudioStream.html
This class represents an audio stream that belongs to an audio object managed by Core Audio. Public Properties. id. This audio stream’s identifier. Declaration. Swift. ... An AudioStreamBasicDescription that describes the current data format for this audio stream. See also. virtualFormat. Declaration.
Generating Raw Audio Samples. [macOS] — Using …
https://medium.com/programming-for-music/generating-raw-audio-samples-f08f3adf73af
The most important Core Audio API elements we used were: AudioStreamBasicDescription , to give the specification about the format of the data in the audio file we create. AudioFileWriteBytes ...
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