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2. MP3 - Wikipedia

   en.wikipedia.org/wiki/MP3

   MP3 (or mp3) as a file format commonly designates files containing an elementary stream of MPEG-1 Audio or MPEG-2 Audio encoded data, without other complexities of the MP3 standard. Concerning audio compression (the aspect of the standard most apparent to end-users and for which it is best known), MP3 uses lossy data compression to encode data ...

3. Apple Lossless Audio Codec - Wikipedia

   en.wikipedia.org/wiki/Apple_Lossless_Audio_Codec

   The Apple Lossless Audio Codec ( ALAC ), also known as Apple Lossless, or Apple Lossless Encoder ( ALE ), is an audio coding format, and its reference audio codec implementation, developed by Apple Inc. for lossless data compression of digital music. After initially keeping it proprietary from its inception in 2004, in late 2011 Apple made the ...

4. Audio bit depth - Wikipedia

   en.wikipedia.org/wiki/Audio_bit_depth

   Audio bit depth. An analog signal (in red) encoded to 4-bit PCM digital samples (in blue); the bit depth is four, so each sample's amplitude is one of 16 possible values. In digital audio using pulse-code modulation (PCM), bit depth is the number of bits of information in each sample, and it directly corresponds to the resolution of each sample.

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. Bit rate - Wikipedia

   en.wikipedia.org/wiki/Bit_rate

   In telecommunications and computing, bit rate ( bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time. [1] The bit rate is expressed in the unit bit per second (symbol: bit/s ), often in conjunction with an SI prefix such as kilo (1 kbit/s = 1,000 bit/s), mega (1 Mbit/s = 1,000 kbit/s), giga (1 Gbit/s ...

7. Opus (audio format) - Wikipedia

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

   Features 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).

8. 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 ...

9. Vorbis - Wikipedia

   en.wikipedia.org/wiki/Vorbis

   Vorbis is a free and open-source software project headed by the Xiph.Org Foundation. The project produces an audio coding format and software reference encoder/decoder ( codec) for lossy audio compression, libvorbis. [10] Vorbis is most commonly used in conjunction with the Ogg container format [11] and it is therefore often referred to as Ogg ...