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VBR encoded MP3 files, advantages and disadvantages
https://www.free-codecs.com/guides/vbr_encoded_mp3_files_advantages_and_disadvantages.htm
VBR stands for Variable Bit Rate. The bit rate of a coded audio file is the number of bits (binary digits - 0s or 1s - bits of digital information) that are required to store 1 second of audio. An mp3 at 128kbps requires 128,000 (ish!) bits to store 1 second of audio.
Web audio codec guide - Web media technologies | MDN
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Audio_codecs
Variable Bit Rate (VBR) support: Yes: Supported sample formats: 16-bit integer: Supported sample rates: 8 kHz - 192 kHz: Recommended minimum bit rate for stereo sound: 192 kbps at 48 kHz; this is typically accomplished by setting the quality level to 6 to 8. Compression: Lossy: Maximum audio channels: 255: Audio frequency bandwidth: Latency: At least 100 ms
About the Windows Media Codecs - Win32 apps | …
https://docs.microsoft.com/en-us/windows/win32/medfound/about-the-windows-media-codecs
The Windows Media Audio 9 codec (WMA 9) supports variable bit rate encoding (VBR), which enables even higher quality audio at smaller file sizes by automatically varying the encoding bit rate according to the complexity of the audio data. With VBR, the encoding bit rate increases to capture complex sections of data and then decreases to maximize the …
CBR/ABR/VBR: the 3 encoding modes
https://www.esm.rochester.edu/ears/docs/lame/modes.html
LAME is able to encode your music using one of its 3 encoding modes: constant bitrate (CBR), average bitrate (ABR) and variable bitrate (VBR). Constant Bitrate (CBR) This is the default encoding mode, and also the most basic. In this mode, …
Streaming 102: Codecs, plus VBR and CBR, and I, B an P ...
https://streaminglearningcenter.com/articles/streaming-102-codecs-plus-vbr-and-cbr-and-i-b-an-p-frames.html
Streaming 102: Codecs, plus VBR and CBR, and I, B an P Frames. Streaming 101 defines file-related terms like bandwidth, frame rate, data rate and resolution, and then delivery options like streaming and progressive download. This article describes codecs and streaming architectures, and then common encoding parameters like constant and variable ...
FFmpeg Codecs Documentation
https://ffmpeg.org/ffmpeg-codecs.html
Use ffmpeg to convert an audio file to VBR AAC in an M4A (MP4) container: ffmpeg -i input.wav -codec:a libfdk_aac -vbr 3 output.m4a Use ffmpeg to convert an audio file to CBR 64k kbps AAC, using the High-Efficiency AAC profile:
AAC VBR vs AAC CBR vs AAC ABR - Hydrogenaudio
https://hydrogenaud.io/index.php?topic=82865.0
MP3 can be encoded in CBR or VBR. AAC can be encoded in ABR or VBR. ABR/CBR will give you a predictable size, but may sacrifice some quality if you set your bitrate too low. VBR may give you better quality, but your file sizes may not be so predictable. You may find yourself tweaking more knobs with VBR, but you may be more satisfied with the results.
Opus Codec - Opus Interactive Audio Codec
Opus Interactive Audio Codec Overview. Opus is a totally open, royalty-free, highly versatile audio codec. Opus is unmatched for interactive speech and music transmission over the Internet, but is also intended for storage and streaming applications.
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