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2. Comparison of audio coding formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_audio_coding...

   Non-free Various proprietary VoIP software voice recording: No Yes No Yes No G.729: ITU-T 1996-03 G.729 (06/12) Free [19] Free Various proprietary VoIP software FFmpeg (decoding only) voice recording: No Yes No Expired [19] No G.729.1: ITU-T 2006-05 G.729.1 Am.8 (03/13) Free [19] Free Various proprietary VoIP software voice recording, DECT ...

3. Opus (audio format) - Wikipedia

   en.wikipedia.org/wiki/Opus_(audio_format)

   Possible bitrate and latency combinations compared with other audio formats. Opus supports constant and variable bitrate encoding from 6 kbit/s to 510 kbit/s (or up to 256 kbit/s per channel for multi-channel tracks), frame sizes from 2.5 ms to 60 ms, and five sampling rates from 8 kHz (with 4 kHz bandwidth) to 48 kHz (with 20 kHz bandwidth, the human hearing range).

4. MP3 - Wikipedia

   en.wikipedia.org/wiki/MP3

   MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) [ 4 ] is a coding format for digital audio developed largely by the Fraunhofer Society in Germany under the lead of Karlheinz Brandenburg, [ 11 ][ 12 ] with support from other digital scientists in other countries.

5. Advanced Audio Coding - Wikipedia

   en.wikipedia.org/wiki/Advanced_Audio_Coding

   Advanced Audio Coding is designed to be the successor of the MPEG-1 Audio Layer 3, known as MP3 format, which was specified by ISO / IEC in 11172-3 (MPEG-1 Audio) and 13818-3 (MPEG-2 Audio). Blind tests in the late 1990s showed that AAC demonstrated greater sound quality and transparency than MP3 for files coded at the same bit rate.

6. List of audio conversion software - Wikipedia

   en.wikipedia.org/wiki/List_of_audio_conversion...

   An audio conversion app (also known as an audio converter) transcodes one audio file format into another; for example, from FLAC into MP3. It may allow selection of encoding parameters for each of the output file to optimize its quality and size.

7. Audio converter - Wikipedia

   en.wikipedia.org/wiki/Audio_converter

   Audio converter. An audio converter is a software or hardware tool that converts audio files from one format to another. This process is often necessary when users encounter compatibility issues with different devices, applications, or platforms that support specific audio file formats. Audio converters can be employed for a variety of purposes ...

8. Windows Media Audio - Wikipedia

   en.wikipedia.org/wiki/Windows_Media_Audio

   In a 1999 study funded by Microsoft, National Software Testing Laboratories (NSTL) found that listeners preferred WMA at 64 kbit/s to MP3 at 128 kbit/s (as encoded by MusicMatch Jukebox). [54] Both MP3 and WMA encoders have undergone active development and improvement for many years, so their relative quality may change over time.

9. Audio file format - Wikipedia

   en.wikipedia.org/wiki/Audio_file_format

   A free, open source container format supporting a variety of formats, the most popular of which is the audio format Vorbis. Vorbis offers compression similar to MP3 but is less popular. Mogg, the "Multi-Track-Single-Logical-Stream Ogg-Vorbis", is the multi-channel or multi-track Ogg file format. .opus: Internet Engineering Task Force