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Sampling audio | Android NDK | Android Developers
https://developer.android.com/ndk/guides/audio/sampling-audio#:~:text=In%20general%2C%20it%20is%20best%20to%20choose%20the,one%20of%20the%20following%20modes%3A%20Fixed%20polyphase%20mode.
audio recording - Android MediaRecorder Sampling Rate …
https://stackoverflow.com/questions/29058346/android-mediarecorder-sampling-rate-and-noise
2015-3-15 · Starting from API level 18, the default sampling rate drops from 44.1 or 48 kHz (depending on device) to only 8 Hz. If I specify the sampling rate using MediaRecorder.setAudioSamplingRate, it uses the specified rate but there are a lot of strange noise in the recording. In LogCat, the following warning are happening from time to time:
Android native audio recorder sample rate - Stack Overflow
https://stackoverflow.com/questions/8500195/android-native-audio-recorder-sample-rate
2011-12-14 · Android native audio recorder sample rate. Ask Question Asked 10 years, 1 month ago. Active 10 years, 1 month ago. Viewed 2k times 1 I'm looking at native-audio example. What is the default sample rate? Thanks, Nahum. android audio android-ndk. Share. Follow asked Dec 14 …
Sample Rate Conversion | Android Open Source Project
https://source.android.com/devices/audio/src
2020-9-1 · For example, an MP3 file may be encoded at 44.1 kHz sample rate but needs to be played back on an Android device supporting 48 kHz audio internally. In that case, a resampler would be used to upsample the MP3 output audio from 44.1 kHz source sample rate to a 48 kHz sink sample rate used within the Android device.
Recording Audio on Android with Examples - Dolby.io
https://dolby.io/blog/recording-audio-on-android-with-examples/
2021-4-2 · Knowing how to effectively record audio from a phone is valuable for mobile developers, but is especially essential for apps that use services like Dolby.io to process media. The wide range of hardware in Android devices can make it difficult to develop applications that need to capture and play back audio.
GitHub - Dimowner/AudioRecorder: Audio Recording …
https://github.com/Dimowner/AudioRecorder
Two recording formats are available: M4A. Waveform Audio File Format (WAVE, or WAV) In settings, you can set sample rate, bitrate (for AAC only) and select between mono and stereo. Selected preferences directly affect the file size of the recordings. Colorful themes allow customizing the app look, making the experience better.
Avoiding Android Mixer/48Khz upsampling of 44.1/16 …
https://forum.xda-developers.com/t/avoiding-android-mixer-48khz-upsampling-of-44-1-16-audio.3933075/
· When it comes to HiRes music (anything higher than 48KHz sample rate and anything 24-bit) most music apps play it correctly: Bit-perfect, without any processing or re-sampling, directly to the DAC -- exactly as audiophiles want it. A few apps are known to downsample HiRes music to Android's default sample rate of 48KHz, but those are the exception.
Best Sample Rate and Audio Bit Depth for Recording …
https://www.audiorecording.me/best-sample-rate-and-audio-bit-depth-for-recording-projects.html
2011-8-22 · The most common bit depth and sample rate used in commercial audio and broadcasting is 16-bit/44.1Khz (this is the sample rate of CD audio, commercial MP3, etc that you found in recording stores, streamed in Internet radio, everywhere). Most MP3 and audio players are configured to play at this sample rate and bit depth.
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