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Sample-rate conversion - Wikipedia
https://en.wikipedia.org/wiki/Sample-rate_conversion#:~:text=Sample-rate%20conversion%20is%20the%20process%20of%20changing%20the,be%20used%20for%20engineering%2C%20economic%2C%20or%20historical%20reasons.
Chapter 8: Sampling Rate Conversion - Digital Audio …
https://www.oreilly.com/library/view/digital-audio-signal/9780470997857/13_chapter008.html
Sampling rate conversion consists out of upsampling and downsampling and anti-imaging and anti-aliasing filtering [Cro83, Vai93, Fli00, Opp99]. The discrete-time Fourier transform of the sampled signal x(n) with sampling frequency f S = 1/T (Ω S = 2πf S) is given by. with the Fourier transform X a (jΩ) of the continuous-time signal x(t). For ideal sampling the condition
core audio - IOS: AudioUnit RemoteIO Sample rate …
https://stackoverflow.com/questions/68499351/ios-audiounit-remoteio-sample-rate-automatic-conversion
I assume this means that I can run my application at 44.1khz and RemoteIO will do the conversion for me. Is there a way to configure RemoteIO to work with a fixed sample rate on my end where I render audio and let it do the sample rate conversion when there is a mismatch between the sample rate I use vs the hardware sample rate?
The Audio Unit - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html
Audio data transformations include such operations as sample rate conversion, sending a signal to multiple destinations, and altering time or pitch. To transform audio data in ways such as these, you build a format converter unit (of type 'aufc') as a subclass of the AUBase superclass in the SDK.
Audio Sample Rate Converter Reference Design for ...
https://www.xilinx.com/publications/prod_mktg/pn0010972-1.pdf
High quality asynchronous sample rate converter with ultimate flexibility Audio applications require different sampling frequencies depending on the sources and destinations of the audio streams. Source material recorded with one sample rate often must be converted to another sample rate for processing. The asynchronoussample rate converter (SRC) reference design …
Free Sample Rate Converter Tool Software - r8brain | …
https://www.voxengo.com/product/r8brain/
r8brain is a free audio sample rate converter application. It was designed to allow both amateur and professional users to perform high-quality sample rate conversion of uncompressed PCM WAV files. For example, if your project WAV file was recorded or saved as 48000 (or 96000) sample rate file, and you need it to bring to MP3 or CD format, then you will likely need to …
Audio Unit Properties - Apple
https://developer.apple.com/documentation/audiounit/audio_unit_properties
Audio unit properties, part of the audio unit plug-in interface, are key-value pairs that declare attributes or behavior such as audio data stream format, latency, or connection from one audio unit to another. Properties are typically non-time-varying, not directly settable by the user, and changeable only before an audio unit is initialized.
Digital Audio Basics: Audio Sample Rate and Bit Depth
https://www.izotope.com/en/learn/digital-audio-basics-sample-rate-and-bit-depth.html
The most common audio sample rate you’ll see is 44.1 kHz, or 44,100 samples per second. This is the standard for most consumer audio, used for formats like CDs. This is not an arbitrary number. Humans can hear frequencies between 20 Hz and 20 kHz.
Sample-rate conversion - Wikipedia
https://en.wikipedia.org/wiki/Sample-rate_conversion
Sample-rate conversion, sampling-frequency conversion or resampling is the process of changing the sampling rate or sampling frequency of a discrete signal to obtain a new discrete representation of the underlying continuous signal. Application areas include image scaling and audio/visual systems, where different sampling rates may be used for engineering, economic, …
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