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What are audio CDs & other disc-based formats?
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Jun 15, 2011 · WAVE and AIFF are two audio formats that support 44.1 KHz, 16-bit, stereo audio, which is the standard audio specification used by audio CDs. They are also encoded with pulse code modulation (PCM), which is the same encoding used by CD audio tracks.
- Becky Scarrott
- File formats and codecs at a glance. Want to cut straight to the chase? Here's a handy guide to all the file formats and the differences between them. If you want to know more, read on below for a more in-depth look at the differences in size, sound quality and compatibility.
- Compressed vs uncompressed audio files. First, let’s talk about the three categories all audio files can be grouped into – uncompressed, lossless and lossy.
- WAV vs AIFF: uncompressed audio file formats. WAV and AIFF are arguably the most popular uncompressed audio file formats, both based on PCM (Pulse Code Modulation), which is widely recognised as the most straightforward audio storage mechanism in the digital domain.
- ALAC vs FLAC vs WMA Lossless: lossless audio formats. Everyone loves a FLAC. A lossless file, the FLAC (Free Lossless Audio Codec) is compressed to nearly half the size of an uncompressed WAV or AIFF of equivalent sample rate, but there should be no “loss” in terms of how it sounds.
- The Audio CD Format
- Spars Codes For CDs
- Other Uses For CDs
- High Definition Compact Disc
- Super Audio Compact Disc
- Check Your CD Player For Compatibility
CD stands for compact disc. Compact disc refers to both the disc and the digital audio playback format developed by Philips and Sony. The format refers to audio that is digitally encoded like computer data (1s and 0s) into pits on a disc through a process called PCM. PCM is a mathematical representation of audio and music in digital form. The first...
The SPARS codes for CDs were: 1. AAD: The initial audio recording was made using analog recording equipment (such as an audio tape recorder). The mixing was also done using analog equipment, and the final mastering was done digitally. 2. ADD: The initial audio recording was made using analog recording equipment (such as an audio tape recorder). The...
In addition to pre-recorded audio, CDs can also be used in several other applications: 1. CD-R: CD-R stands for CD-Recordable. These discs can be used to record or burn music or data using a CD recorder (music only) or a PC (music or data). Some CD-Rs are designated for music recording only, and others can record both music or data. CD-Rs can only ...
HDCD is a variation of the CD audio standard that extends the audio information stored in the CD signal by 4 bits (CDs are based on 16-bit audio technology) to 20 bits. HDCD can extend the sonic capacity of current CD technology to new standards but still enable HDCD encoded CDs to be played on non-HDCD CD players without increasing the CD software...
SACD (Super Audio Compact Disc) is a high-resolution audio disc format developed by Sony and Philips. Using the Direct Stream Digital (DSD) file format, SACD provides an alternative to Pulse Code Modulation (PCM)used in the CD format. While the standard CD format is tied to a 44.1 kHz samplingrate, SACD samples at 2.8224 MHz. Also, instead of a 16-...
CD players can't play SACDs, but SACD players are backward compatible with conventional CDs. Some SACD disks are dual-layer discs with PCM content that can be played on standard CD players. In other words, the same disk can hold both a CD and an SACD version of recorded content. That means you can invest in dual-format SACDs to play on your current...
- Robert Silva
The MP3 audio file format became immensely popular in the early 2000s. At the time, it was among the most efficient ways to get an audio track from a CD and store it on a digital hard drive or on a “burned” CD. The MP3 file format is much smaller than that of an uncompressed CD audio track.
- Joel Lee
- Former Editor-In-Chief
- Audio File Format: PCM. PCM stands for Pulse-Code Modulation, a digital representation of raw analog audio signals. Analog sounds exist as waveforms. To convert a waveform into digital bits, the sound must be sampled and recorded at certain intervals (or pulses).
- Audio File Format: WAV. WAV stands for Waveform Audio File Format (also called Audio for Windows at some point but not anymore). It's a standard developed by Microsoft and IBM in 1991.
- Audio File Format: AIFF. AIFF stands for Audio Interchange File Format. Similar to how Microsoft and IBM developed WAV for Windows, AIFF is an audio file format developed by Apple for Mac systems back in 1988.
- Audio File Format: MP3. MP3 stands for MPEG-1 Audio Layer 3. It was released back in 1993 and exploded in popularity, eventually becoming the most popular audio format in the world for music files.
Apr 7, 2024 · One of the most common CD formats is the Red Book format, which is specifically designed for audio CDs. It ensures compatibility across various CD players and allows for up to 80 minutes of audio content. This format is widely used in the music industry, making it crucial for musicians, record labels, and consumers.
Oct 11, 2023 · CD Audio Disc Format. The CD, or Compact Disc, is a digital optical disc format used for storing and playing audio recordings. It was introduced in the early 1980s and quickly gained popularity as a replacement for traditional vinyl records and cassette tapes.
