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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 .
Those devices categorized as Realtek's computer peripheral IC products consist of the traditional AC'97 audio codecs, the High Definition Audio codecs, card reader controllers, clock generators and IEEE 1394 ICs. Multimedia IC products include LCD Monitor Controllers, LCD TV Controllers and Digital Media Processors.
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 Sound Blaster Audigy Fx (SB1570), released in September 2013, is a HDA card, it uses an ALC898 chip from Realtek, [16] includes a 600-ohm amplifier, Sound Blaster Audigy Fx Control Panel, EAX Studio Software, and independent line-in and microphone inputs. It is a half-height expansion card with a PCI Express ×1 interface.
The Ensoniq ES1370 audio chip was renamed Creative 5507 and revised into AC'97-compliant variants, the ES1371 and ES1373, and used for several more years on card and as integrated motherboard audio. Cards with ES1370 run natively at 44 kHz sampling frequency, meaning that 12, 24, 32 and 48 kHz become resampled.
A typical integrated sound card, the Realtek ALC887, according to its data sheet has distortion about 80 dB below the fundamental; cards are available with distortion better than −100 dB. Sound cards commonly suffer from some clock drift, requiring correction of measurement results.
Embedded audio chipset in some laptops and sound cards (including PCI, ISA and Yamaha Audician 32) Integrates Yamaha YMF262 (OPL3) [86] [33] [87] Yamaha YMU757 (a.k.a. MA-1) 1999 8 4 2 Some 2000s and 1990s cellphones, PDAs [88] Yamaha YMU759 (a.k.a. MA-2) 2000 32 16 2 Some 2000s cellphones, PDAs: 8 channels for 4 operators, an additional ADPCM ...
Realtek AC97 Audio Control Panel: alsndmgr.cpl: To configure the Realtek audio controller. Realtek HD-Audio Manager: RTSnMg64.cpl: To launch the Realtek HD-Audio Manager RESTrick Control Panel: rest2.cpl: Windows Tuning and system restrictions setup, by Rtsecurity. Safarp: safarp.cpl: Safarp is a small and fast alternative to the Add or Remove ...