Here’s a question: how do you listen to music? Maybe through speakers, or more likely headphones? Do you use a music streaming service, or do you prefer having your own music files? Well, we’re not gonna give you FLAC on any of those choices, but maybe we’ll clear up what an opus is. (as in, the file format- not the magnum)

Sources:

Lossy Codecs:

• The Journal of the Acoustical Society of America, January 2000, “Psychoacoustics as the basis for modern audio signal data compression” (How MP3s Compress)
• Library of Congress’ Page on MP3
• Stereophile, 8 March 2008, “MP3 vs AAC vs FLAC vs CD”
• Vorbis audio compression, xiph.org
• Opus Interactive Audio Codec, opus-codec.org
• Summary of Opus listening test results, 2013

Lossless Codecs:

• what is FLAC?, xiph.org
• Ars Technica, 28 October 2011, “After seven years, Apple open sources its Apple Lossless Audio Codec”

Codecs offered by streaming services:

• Spotify Support’s page on audio quality
• What Hi-Fi?, 7 June 2019, “YouTube Music review”
• “Select or Change your Audio Quality”, Youtube Music Help
• Deezer plans, Deezer.com
• PCMag, 18 September 2020, “Amazon Music Unlimited Review”
• “What Audio Quality Does TIDAL HiFi Offer?”, TIDAL Support
• What Hi-Fi?, 17 June 2020, “Apple Music review”

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Opening Music: Another World by BETTOGH