AC'97 Audio Codec A4.06

User
  • 6.7
  • Not bad
  • 721
Softonic
  • 8
  • Very good
  • Very good
Your rating:
Your rating
  1. 0
License:
Free
Language:
English
OS::
  • Windows 98
  • Windows 98 SE
  • Windows ME
  • Windows 2000
  • Windows NT
  • Windows XP
  • Windows 2003
Latest version:
A4.06
Last month's downloads:
1,894
Size:
17.9 MB
Developer:
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AC'97 Audio Codec is fully compatible with:

  • Windows 98
  • Windows 98 SE
  • Windows ME
  • Windows 2000
  • Windows NT
  • Windows XP
  • Windows 2003
AC'97 Audio Codec is also compatible with
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  • English
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Versions of AC'97 Audio Codec

All versions of AC'97 Audio Codec
Version License Language O.S.
AC'97 Audio Codec A4.06 11/05/11 Free English
  • Windows 98
  • Windows 98 SE
  • Windows ME
  • Windows 2000
  • Windows NT
  • Windows XP
  • Windows 2003
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A good 6 channel audio codec for PC

Niamh Lynch

Articles AC'97 Audio Codec
Pros
  • Comprehensive solution
Cons
  • No user interface

The ALC650 is an 18-bit, full duplex AC'97 2.2 compatible stereo audio CODEC designed for PC multimedia systems, including host/soft audio and AMR/CNR based designs. The ALC650 incorporates proprietary converter technology to achieve a high SNR, greater than 90 dB. The ALC650 AC'97 CODEC supports multiple CODEC extensions with independent variable sampling rates and built-in 3D effects.

The ALC650 CODEC provides two pairs of stereo outputs with independent volume controls, a mono output, and multiple stereo and mono inputs, along with flexible mixing, gain and mute functions to provide a complete integrated audio solution for PCs. The digital interface circuitry of the ALC650 CODEC operates from a 5V/3.3V power supply with EAPD (External Amplifier Power Down) control for use in notebook and PC applications.

The ALC650 integrates a 50mW/20ohm headset audio amplifier into the CODEC, which can save BOM costs. The ALC650 also supports an AC'97 2.2 compliant SPDIF out function which allows easy connection from the PC to consumer electronic products, such as AC3 decoder/speaker and mini disk.

The ALC650 CODEC supports host/soft audio from Intel 810/815/820/845 chipsets as well as audio controller based VIA/SIS/ALI chipsets. Bundled Windows series drivers (Win95/98/ME/2000/XP/NT) and sound effect utilities (supporting Karaoke, emulation of 26 sound environments, and 5-band equalizer) provide a more comprehensive entertainment package for PC users. Finally, internal PLL circuits generate required timing signals, eliminating the need for external clocking devices.

Features:

  • High-performance CODEC with high S/N ratio (>90 dB)
  • 18-bit ADC and 20-bit DAC resolution
  • Compliant with AC'97 2.2 specifications
  • 18-bit stereo full-duplex CODEC with independent and variable sampling rate
  • 4 analog line-level stereo inputs with 5-bit volume control: LINE_IN, CD, VIDEO, AUX
  • 2 analog line-level mono inputs: PC_BEEP, PHONE_IN
  • Mono output with 5-bit volume control
  • Stereo output with 5-bit volume control
  • 6 channel slot selectable DAC output for multi-channel applications
  • 2 MIC inputs, which are software selectable
  • Power management capabilities
  • 3D Stereo enhancement
  • Embedded 50mW/20ohm OP at front LINE output
  • External amplifier power down capability
  • Digital S/PDIF output
  • Digital S/PDIF input (ALC650 Rev. E or later)
  • No external crystal/clock required
  • Supports 1 general purpose I/O pin
  • Power supply: digital: 3.3V; analog: 5V/3.3V
  • Standard 48-pin LQFP package

"crashed the computer (XP)"

Windows warned me against it but I went ahead anyway and the computer crashed. Tried it twice like an idiot and had to go through checkdisk in full.

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Views:
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Date:
23 May 2012

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  1. A good 6 channel audio codec for PC

Articles AC'97 Audio Codec

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