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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
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. This structure is filled in with the information when reading or decoding data.
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 …
ios - Example of AudioStreamBasicDescription for 16hz ...
https://stackoverflow.com/questions/35191058/example-of-audiostreambasicdescription-for-16hz-16bit-mono-format-as-wav-file
Example of AudioStreamBasicDescription for 16hz, 16bit mono format as WAV file. Ask Question Asked 5 years, 11 months ago. Active 4 years, 9 months ago. Viewed 2k times 0 I'm having trouble with creating a description for the above format and have tried a number of things but keep getting an invalid param when trying to record. ...
如何设置AudioStreamBasicDescription - 简书
https://www.jianshu.com/p/40089d76ea10
In uncompressed audio, a Packet is one frame, (mFramesPerPacket == 1). In compressed audio, a Packet is an indivisible chunk of compressed data, for example an AAC packet will contain 1024 sample frames. 在音频数据中， 一个采样就是 n 个通道的一个数据集合，一个数据帧就是一个采样 one frame = one sample 在 pcm 音频中 one packet = one frame
Decode AAC-LC (ADTS) framed from N ... - Apple Developer
https://developer.apple.com/forums/thread/18613
Decode AAC-LC (ADTS) framed from NSData You’re now watching this thread and will receive emails when there’s activity. Click again to stop watching or visit your profile/homepage to manage your watched threads.
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