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Tips and Tricks: What Sample Rate Better for DAC

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Many DAC use internal oversampling for better restoring audio signal.
What better input sample rate for DAC?

What sample rate better for DAC

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Any DAC it is voltage matrix with analog filter low frequencies (LF) at output.

DSD DAC has only 2 levels (1 and -1) contrary PCM DAC.

But both has filter at output. This analog filter restore analog signal from multi- or one-bit digital stream.

Main aim of the filter suppress (from 100 dB and more) artifacts out of half sample rate.

For low sample rates (especially 44.1 kHz) release qualitative filter is very hardly:

transient 2.025 kHz = 44.1 (sample rate)/2 -20 (audible range) from 0 db to less minus 100dB suppression of the artifacts.

More cheap decision use digital filter. But such features also hardly achieved even for digital filter.

Therefore was invented oversampling input sample rate for more wide transient frequency band.

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Resampling Tips & Tricks: Linear Phase Filter vs. Minimal Phase Filter

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Where is the Limit of Audio Quality?

I read many endless discussions about audio equipment: cables, lossless vs. lossy, compression algorithms, jitter, ultrasound, playback files from different places of hard disk, power conditioners, etc.

I suppose, reason of the discussions is small perceived sound difference, that is not obvious for everybody, or no difference.

It is the end of high-end?

Below I want to discuss: can we get sound improvement, obvious for almost everyone, in future audio equipment?

New AuI ConverteR 48x44 v.6.4.7. ISO's Album Catalog Number

Released new studio audio converter AuI ConverteR 48x44 v. 6.4.7 CD ripper, ISO, DFF, DSF, WAV, FLAC, AIFF, ALAC. Album catalog number is extracted from ISO and stored into metadata of converted files.

How to Convert with Downmix 5.1 to stereo

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Music stuff conversion with downmix 5.1 to stereo used to playback multichannel audio files at stereo systems.

At portable audio players and mobile phones stereo headphones are used to music listening. Conversion 5.1 records to stereo allow to reduce music file size to place at limited space of disk drive of portable audio player or other device.

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