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2. Comparison of YouTube downloaders - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_YouTube_down...

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

3. 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 ...

4. Comparison of video codecs - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_video_codecs

   Α video codecis softwareor a device that provides encodingand decodingfor digital video, and which may or may not include the use of video compressionand/or decompression. Most codecs are typically implementations of video coding formats. The compression may employ lossy data compression, so that quality-measurement issues become important.

5. High-Efficiency Advanced Audio Coding - Wikipedia

   en.wikipedia.org/wiki/High-Efficiency_Advanced...

   Evolution from MPEG-2 AAC-LC (Low Complexity) Profile and MPEG-4 AAC-LC Object Type to HE-AAC v2 Profile. [2] High-Efficiency Advanced Audio Coding (HE-AAC) is an audio coding format for lossy data compression of digital audio defined as an MPEG-4 Audio profile in ISO / IEC 14496–3. It is an extension of Low Complexity AAC (AAC-LC) optimized ...

6. MP3 - Wikipedia

   en.wikipedia.org/wiki/MP3

   As the MP3 standard allows quite a bit of freedom with encoding algorithms, different encoders do feature quite different quality, even with identical bit rates. As an example, in a public listening test featuring two early MP3 encoders set at about 128 kbit/s, [75] one scored 3.66 on a 1–5 scale, while the other scored only 2.22. Quality is ...

7. Advanced Video Coding - Wikipedia

   en.wikipedia.org/wiki/Advanced_Video_Coding

   License. MPEG LA [ 1 ] Website. www.itu.int /rec /T-REC-H.264. Block diagram of video coding layer of H.264 encoder with perceptual quality score. Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding. [ 2 ]