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In hardware, audio codec refers to a single device that encodes analog audio as digital signals and decodes digital back into analog. In other words, it contains both an analog-to-digital converter (ADC) and digital-to-analog converter (DAC) running off the same clock signal. This is used in sound cards that support both audio in and out, for ...
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 ...
Linear pulse-code modulation (LPCM, generally only described as PCM) is the format for uncompressed audio in media files and it is also the standard for CD-DA; note that in computers, LPCM is usually stored in container formats such as WAV, AIFF, or AU, or as raw audio format, although not technically necessary.
Realtek ALC 882 HD Audio Codec. Intel High Definition Audio (IHDA) (also called HD Audio or development codename Azalia) is a specification for the audio sub-system of personal computers. It was released by Intel in 2004 as the successor to their AC'97 PC audio standard. [1]
The MME API or the Windows Multimedia API (also known as WinMM) was the first universal and standardized Windows audio API. Wave sound events played in Windows (up to Windows XP) and MIDI I/O use MME. The devices listed in the Multimedia/Sounds and Audio control panel applet represent the MME API of the sound card driver.
Also LCG Jukebox from Lonely Cat Games is able to play FLAC audio on Symbian S60 and Windows Mobile devices. Android operating system devices are capable of playing FLAC since version 3.1 [ 44 ] Others may also support it by replacing the device's firmware with the third-party CyanogenMod ROM, which can play back FLAC.
AC'97 (Audio Codec '97; also MC'97 for Modem Codec '97) is an audio codec standard developed by Intel Architecture Labs and various codec manufacturers in 1997. The standard was used in motherboards, modems, and sound cards. The specification covers two types of components, and the AC-Link digital interface between them:
The AudioPCI DOS driver included Ensoniq Soundscape 16-bit digital audio and sample-based synthesis support, along with support for Sound Blaster Pro, AdLib Gold, General MIDI, and MT-32. However, without actual hardware for FM synthesis , FM music and sound effects were simulated using samples, often with unacceptable results.
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