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2. High-resolution audio - Wikipedia

   en.wikipedia.org/wiki/High-resolution_audio

   Following the rise in online music retailing at the start of the 21st century, high-resolution audio downloads were introduced by HDtracks starting in 2008. [7] [8] Further attempts to market high-resolution audio on optical disc followed with Pure Audio Blu-ray in 2009, and High Fidelity Pure Audio in 2013. [9]

3. 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.

4. Freemake Audio Converter - Wikipedia

   en.wikipedia.org/wiki/Freemake_Audio_Converter

   Freemake Audio Converter may be downloaded free of charge but prevents users from converting files longer than 3 minutes, unless its commercial version is purchased. It may offer to download and install other products from its advertisement partners.

5. Comparison of audio coding formats - Wikipedia

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

   For example, MP3 and AAC dominate the personal audio market in terms of market share, though many other formats are comparably well suited to fill this role from a purely technical standpoint. First public release date is first of either specification publishing or source releasing, or in the case of closed-specification, closed-source codecs ...

6. Data compression - Wikipedia

   en.wikipedia.org/wiki/Data_compression

   [16] [17] DCT is the most widely used lossy compression method, and is used in multimedia formats for images (such as JPEG and HEIF), [18] video (such as MPEG, AVC and HEVC) and audio (such as MP3, AAC and Vorbis). Lossy image compression is used in digital cameras, to increase storage capacities.

7. Audio bit depth - Wikipedia

   en.wikipedia.org/wiki/Audio_bit_depth

   Bits are the basic unit of data used in computing and digital communications. Bit rate refers to the amount of data, specifically bits, transmitted or received per second. In MP3 and other lossy compressed audio formats, bit rate describes the amount of information used to

8. MPEG-1 Audio Layer II - Wikipedia

   en.wikipedia.org/wiki/MPEG-1_Audio_Layer_II

   So MP3 has greater scope to reduce the bit rate. The use of an additional entropy coding tool, and higher frequency accuracy (due to the larger number of frequency sub-bands used by MP3) explains why MP3 does not need as high a bit rate as MP2 to get an acceptable audio quality. Conversely, MP2 shows a better behavior than MP3 in the time ...

9. 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). Improvements include: more sample rates (from 8 to 96 kHz) than MP3 (16 to 48 kHz);