vorbis
arduino-liblame
vorbis | arduino-liblame | |
---|---|---|
1 | 1 | |
443 | 19 | |
0.7% | - | |
0.0 | 5.9 | |
4 months ago | 13 days ago | |
C | C | |
BSD 3-clause "New" or "Revised" License | - |
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vorbis
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DAC and Bitrate Questions
This a hard to answer question as it depends on the compression algorithm and even then its not a simple answer. Usually you see the stuff above 20 khz removed as well as the hard to hear detail in the high range. They are based on psychoacoustics so they try to only remove unheard detail. Another example is a quiet tone close to a loud tone in the frequency spectrum will be masked and harder to hear. The real answer is the code. Here is the reference code for ogg which Spotify uses. https://github.com/xiph/vorbis
arduino-liblame
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How to calculate minimum SDIO CLK frequency for data transfer?
Also, have you looked at whether you've got the headroom to compress the data? Some encoders are getting quite small.
What are some alternatives?
opus - Modern audio compression for the internet.
minimp3 - Minimalistic MP3 decoder single header library
vgmstream - vgmstream - A library for playback of various streamed audio formats used in video games.
vgmstream - vgmstream - A library for playback of various streamed audio formats used in video games. [Moved to: https://github.com/vgmstream/vgmstream]
libopenaptx - Open Source implementation of Audio Processing Technology codec (aptX)
speech-denoiser - A speech denoise lv2 plugin based on RNNoise library
minivorbis - Single-file port of libogg and libvorbis for decoding ogg sound files.
arduino-audio-tools - Arduino Audio Tools (a powerful Audio library not only for Arduino)
OggDecoder - OGG decoder for iOS/MacOS based on Vorbis framework