Test - FLAC 352 - DXD 24bit - No truncated dither, FLAC 352 - DXD 24 BIT

If you want to test different audio formats:

  • DSD 256
  • FLAC 352 - DXD 24 BIT - High Definition Tape Transfer
  • FLAC 352 - DXD 24bit - No truncated dither
  • WAV 352 - 32 BIT

you can download the samples here:

With some META Tag edit it looks like this in Roon:

Torben

Signal metrics (in the same order as listed above):

--------------------------------------------------------------------------------

                 Left              Right

Peak Value:     -6.72 dB   ---     -5.67 dB   
Avg RMS:       -30.58 dB   ---    -29.73 dB   
DR channel:     16.91 dB   ---     17.94 dB   
--------------------------------------------------------------------------------

Official DR Value: DR17

Samplerate:        11289600 Hz / PCM Samplerate: 352800 Hz
Channels:          2
Bits per sample:   1
Bitrate:           22579 kbps
Codec:             DSD256
--------------------------------------------------------------------------------

                 Left              Right

Peak Value:     -0.70 dB   ---      0.00 dB   
Avg RMS:       -24.56 dB   ---    -23.70 dB   
DR channel:     16.90 dB   ---     17.88 dB   
--------------------------------------------------------------------------------

Official DR Value: DR17

Samplerate:        352800 Hz
Channels:          2
Bits per sample:   24
Bitrate:           9120 kbps
Codec:             FLAC
--------------------------------------------------------------------------------

                 Left              Right

Peak Value:     -0.70 dB   ---      0.00 dB   
Avg RMS:       -24.56 dB   ---    -23.70 dB   
DR channel:     16.90 dB   ---     17.88 dB   
--------------------------------------------------------------------------------

Official DR Value: DR17

Samplerate:        352800 Hz
Channels:          2
Bits per sample:   24
Bitrate:           9120 kbps
Codec:             FLAC
--------------------------------------------------------------------------------

                 Left              Right

Peak Value:     -0.70 dB   ---      0.00 dB   
Avg RMS:       -24.56 dB   ---    -23.70 dB   
DR channel:     16.90 dB   ---     17.88 dB   
--------------------------------------------------------------------------------

Official DR Value: DR17

Samplerate:        352800 Hz
Channels:          2
Bits per sample:   32
Bitrate:           22579 kbps
Codec:             PCM (floating-point)

I do not believe for a moment that an audiophile could tell apart in a blind test those four different format samples of a high noise level old magnetic tape recording. Other than the level difference inherent to the DSD sample.

AJ

THX @WiWavelength very interesting

Torben