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Why does an audio DAC possess deemphasis hardware ...
https://electronics.stackexchange.com/questions/249441/why-does-an-audio-dac-possess-deemphasis-hardware
Historic reasons. Part of the "red book" CD specification allowed CDs to be recorded with a specific preemphasis characteristic. When used with a 44.1kHz sample rate, to decode those specific CDs (a minority of all CDs) you need to apply the inverse (deemphasis) characteristic. This can be done externally with an R-C network but it's cheaper to ...
De-emphasis in DAC - High-End Audio Discussion Forum
https://forum.audiogon.com/discussions/de-emphasis-in-dac
Hello, I have the Burson Audio Swing DAC, it has the option to use de-emphasis, I would like to know if this option turned on, listening to FLAC, WAV, .dsf and .dff (DSD) files, makes the music lose information and details.
De Emphasis ~ what's that all about? - 2 Channel - HiFi …
https://www.hifiwigwam.com/forum/topic/41626-de-emphasis-~-whats-that-all-about/
Now traditionally Audio Note DACs lacked de-emphasis processing. Being non-oversampling their only option would have been to add a switcheable filter to their analogue output circuits, but apparently their rather purist approach to digital kept them from doing so. This left their customers with essentially unplayable pre-emphasised CDs.
ES9016 Ultra 32-bit 8-Channel Audio DAC Analog …
https://www.esstech.com/wp-content/uploads/2021/02/ES9016S_Datasheet_v1.91.pdf
De-emphasis The de-emphasis feature is included for audio data that has utilized the 50/15 s pre-emphasis for noise reduction. There are 3 de-emphasis filters, one for 32kHz, one for 44.1kHz, and one for 48kHz. The de-emphasis filter can automatically be applied when an SPDIF stream sets the de-emphasis flag. It will auto detect the 32 Ultra. 32
Upsampling DAC and De-Emphasis flag? | diyAudio
https://www.diyaudio.com/community/threads/upsampling-dac-and-de-emphasis-flag.8369/
2002-12-06 1:02 pm. #1. Question is: The receiver chip has an EMFLG (DIR1703) or /EMPH (CS8420) output, to indicate that the input data has the De-Emphasis flag set, and that de-emphasis has to be done on the data, analog or digital. Now I feed this data to an asyncronous sample rate converter (AD1896 or internal ASRC of CS8420) to upsample to ...
UDA1334TS Low power audio DAC
https://media.digikey.com/pdf/Data%20Sheets/NXP%20PDFs/UDA1334TS_2.pdf
1.3 DAC digital sound processing •Digital de-emphasis for 44.1 kHz sampling rate •Mute function. 1.4 Advanced audio configuration •High linearity, wide dynamic range and low distortion •Standby or Sleep mode in which the DAC is powered down. 2 APPLICATIONS This audio DAC is excellently suitable for digital audio
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