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  2. Intel High Definition Audio - Wikipedia

    en.wikipedia.org/wiki/Intel_High_Definition_Audio

    In the AC'97 design, the audio output is sent to the jack by default. When a headphone is detected, the return signal pins for the speakers are disconnected, directing the audio to the headphone. The jack redirects the audio to the speakers if no headphone connection is detected.

  3. Audio codec - Wikipedia

    en.wikipedia.org/wiki/Audio_codec

    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 ...

  4. Digital-to-analog converter - Wikipedia

    en.wikipedia.org/wiki/Digital-to-analog_converter

    For instance a 1-bit DAC is designed to reproduce 2 (2 1) levels while an 8-bit DAC is designed for 256 (2 8) levels. Resolution is related to the effective number of bits which is a measurement of the actual resolution attained by the DAC. Resolution determines color depth in video applications and audio bit depth in audio applications.

  5. Audio bit depth - Wikipedia

    en.wikipedia.org/wiki/Audio_bit_depth

    24-bit and 32-bit audio does not require dithering, as the noise level of the digital converter is always louder than the required level of any dither that might be applied. 24-bit audio could theoretically encode 144 dB of dynamic range, and 32-bit audio can achieve 192 dB, but this is almost impossible to achieve in the real world, as even ...

  6. Sound card - Wikipedia

    en.wikipedia.org/wiki/Sound_card

    Roland MT-32: 1987: 16 bit: 32 kHz MIDI synthesizer: 8 melodic channels; 1 rhythm channel Sound Blaster: 1989: 8 bit: 22.05 kHz FM synthesizer + DSP: 1 DAC; 11-voice FM synthesizer Innovation SSI-2001: 1989: 8 bit: 3906.19 Hz max. PSG: 3 voices Sound Blaster Pro: 1991: 8 bit: 44.1 kHz mono, 22.05 kHz stereo Roland Sound Canvas: 1991: 16 bit: 32 ...

  7. Windows 7 editions - Wikipedia

    en.wikipedia.org/wiki/Windows_7_editions

    The main editions also can take the form of one of the following special editions: N and KN editions The features in the N and KN Editions are the same as their equivalent full versions, but do not include Windows Media Player or other Windows Media-related technologies, such as Windows Media Center and Windows DVD Maker due to limitations set by the European Union and South Korea ...

  8. SBC (codec) - Wikipedia

    en.wikipedia.org/wiki/SBC_(codec)

    SBC is a digital audio encoder and decoder used to transfer data to Bluetooth audio output devices like headphones or loudspeakers. It can also be used on the Internet. [ 2 ] It was designed with Bluetooth bandwidth limitations and processing power in mind to obtain a reasonably good audio quality at medium bit rates with low computational ...

  9. LDAC (codec) - Wikipedia

    en.wikipedia.org/wiki/LDAC_(codec)

    LDAC is an alternative to Bluetooth SIG's SBC codec. Its main competitors are Huawei's L2HC, Qualcomm's aptX-HD/aptX Adaptive and the HWA Union/Savitech's LHDC. [1]LDAC utilizes a type of lossy compression [2] [3] by employing a hybrid coding scheme based on the modified discrete cosine transform [4] and Huffman coding [5] to provide more efficient data compression.