Audio quality tests: Difference between revisions

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File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 HD Retrovision SNES Component Cable 32kHz.png|HD Retrovision SNES Component Cable <br /> <sup>{{nowrap|''With DOL-CPU(P)-10''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 HD Retrovision SNES Component Cable 32kHz.png|HD Retrovision SNES Component Cable <br /> <sup>{{nowrap|''With DOL-CPU(P)-10''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Bitfunx GameCube Component Cable 32kHz.png|Bitfunx/Kaico GameCube Component Cable <br /> <sup>{{nowrap|''Swapped L/R''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Bitfunx GameCube Component Cable 32kHz.png|Bitfunx/Kaico GameCube Component Cable <br /> <sup>{{nowrap|''Swapped L/R''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Retro-Bit Retro Prism Component Cable 32kHz.png|Retro-Bit Retro Prism Component Cable <br /> <sup>{{nowrap|''Swapped L/R''}}</sup>
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 32kHz.png|GCVideo-DVI v3.1
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 32kHz.png|GCVideo-DVI v3.1
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 32kHz SRH.png|GCVideo-DVI v3.1 <br /> <sup>{{nowrap|''Sample Rate Hack''}}</sup>
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 32kHz SRH.png|GCVideo-DVI v3.1 <br /> <sup>{{nowrap|''Sample Rate Hack''}}</sup>
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| [[File:NF SP B CS42526 Bitfunx GameCube Component Cable 32kHz -1Silence.png|200px]]
| [[File:NF SP B CS42526 Bitfunx GameCube Component Cable 32kHz -1Silence.png|200px]]
| [[File:T SP B CS42526 Bitfunx GameCube Component Cable 32kHz.png|200px]]
| [[File:T SP B CS42526 Bitfunx GameCube Component Cable 32kHz.png|200px]]
|-
! YP<sub>B</sub>P<sub>R</sub>
| <span class="plainlinks">[https://files.extremscorner.org/gamecube/audio/comparisons/CS42526/Retro-Bit%20Retro%20Prism%20Component%20Cable%2032kHz.flac Retro-Bit Retro Prism Component Cable]</span><br /><sup>{{nowrap|''Swapped L/R''}}</sup>
| [[File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Retro-Bit Retro Prism Component Cable 32kHz.png|200px]]
| [[File:NF SP B CS42526 Retro-Bit Retro Prism Component Cable 32kHz -1Silence.png|200px]]
| [[File:T SP B CS42526 Retro-Bit Retro Prism Component Cable 32kHz.png|200px]]
|-
|-
! TMDS
! TMDS
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File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 HD Retrovision SNES Component Cable 48kHz.png|HD Retrovision SNES Component Cable <br /> <sup>{{nowrap|''With DOL-CPU(P)-10''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 HD Retrovision SNES Component Cable 48kHz.png|HD Retrovision SNES Component Cable <br /> <sup>{{nowrap|''With DOL-CPU(P)-10''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Bitfunx GameCube Component Cable 48kHz.png|Bitfunx/Kaico GameCube Component Cable <br /> <sup>{{nowrap|''Swapped L/R''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Bitfunx GameCube Component Cable 48kHz.png|Bitfunx/Kaico GameCube Component Cable <br /> <sup>{{nowrap|''Swapped L/R''}}</sup>
File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Retro-Bit Retro Prism Component Cable 48kHz.png|Retro-Bit Retro Prism Component Cable <br /> <sup>{{nowrap|''Swapped L/R''}}</sup>
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 48kHz.png|GCVideo-DVI v3.1
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 48kHz.png|GCVideo-DVI v3.1
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 48kHz SRH.png|GCVideo-DVI v3.1 <br /> <sup>{{nowrap|''Sample Rate Hack''}}</sup>
File:DA ALL AVG mdfourier-dac-48000 vs ADV7604 GCVideo-DVI v3.1 48kHz SRH.png|GCVideo-DVI v3.1 <br /> <sup>{{nowrap|''Sample Rate Hack''}}</sup>
Line 504: Line 512:
| [[File:NF SP B CS42526 Bitfunx GameCube Component Cable 48kHz -1Silence.png|200px]]
| [[File:NF SP B CS42526 Bitfunx GameCube Component Cable 48kHz -1Silence.png|200px]]
| [[File:T SP B CS42526 Bitfunx GameCube Component Cable 48kHz.png|200px]]
| [[File:T SP B CS42526 Bitfunx GameCube Component Cable 48kHz.png|200px]]
|-
! YP<sub>B</sub>P<sub>R</sub>
| <span class="plainlinks">[https://files.extremscorner.org/gamecube/audio/comparisons/CS42526/Retro-Bit%20Retro%20Prism%20Component%20Cable%2048kHz.flac Retro-Bit Retro Prism Component Cable]</span><br /><sup>{{nowrap|''Swapped L/R''}}</sup>
| [[File:DA ALL AVG mdfourier-dac-48000-fade50 vs CS42526 Retro-Bit Retro Prism Component Cable 48kHz.png|200px]]
| [[File:NF SP B CS42526 Retro-Bit Retro Prism Component Cable 48kHz -1Silence.png|200px]]
| [[File:T SP B CS42526 Retro-Bit Retro Prism Component Cable 48kHz.png|200px]]
|-
|-
! TMDS
! TMDS

Revision as of 10:23, 27 May 2022

Disclosures

  • EON GCHD Mk-II was provided by EON Gaming.
  • HD Retrovision SNES Component Cable was provided by HD Retrovision.
  • Insurrection Industries CARBY was provided by Insurrection Industries.
  • Retro-Bit Retro Prism Component Cable was provided by CastleMania Games.
  • RetroTINK-5X Pro was provided by RetroTINK.

32kHz sample rate

Using MDFourier 1.08 with this reference file.

The 32kHz sample rate is most commonly used by licensed software. It is upsampled to 48kHz in hardware prior to final output.
The nominal sample rate is 54MHz÷1124, rather than 54MHz÷1125. This is reflected in the frame duration of the standard equipment test.

A 15kHz white screen was displayed to induce audible noise.

ASUS PRIME X570-PRO & ProArt X570-CREATOR WIFI

Using ALC1220 (S1220A).

This sound card serve as our analog reference.

Source Difference Noise floor Time spectrogram
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU(P)-10
Y/C Generic S-Video Cable
With DOL-CPU-11
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset + Sample Rate Hack [1]
YPBPR Retro-Bit Retro Prism Component Cable
Swapped L/R

Blackmagic Intensity Shuttle

Using CS42526 and ADV7604.

Source Difference Noise floor Time spectrogram
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU(P)-10
Y/C Generic S-Video Cable
With DOL-CPU-11
Y/C Hyperkin 3-in-1 HDTV Cable
With DOL-CPU-11
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR Retro-Bit Retro Prism Component Cable
Swapped L/R
TMDS GCVideo-DVI v3.1
TMDS GCVideo-DVI v3.1
Sample Rate Hack [1]

Hauppauge WinTV-HVR-1850

Using CX23888.

Source Difference Noise floor Time spectrogram
CVBS Nintendo RF Modulator
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
Y/C Generic S-Video Cable
With DOL-CPU-11

Open Source Scan Converter

Using PCM1862.

Source Difference Noise floor Time spectrogram
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset + Sample Rate Hack [1]
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU-11
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU(P)-10
YPBPR Nintendo GameCube Component Video Cable + Generic S-Video Cable
With DOL-CPU-11

RetroTINK-5X Pro

Using PCM1808.

Source Difference Noise floor Time spectrogram
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU(P)-10
Y/C Generic S-Video Cable
With DOL-CPU-11
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset + Sample Rate Hack [1]
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU-11
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU(P)-10
YPBPR Nintendo GameCube Component Video Cable + Generic S-Video Cable
With DOL-CPU-11

48kHz sample rate

Using MDFourier 1.08 with this reference file.

The 48kHz sample rate is most commonly used by homebrew software and streaming audio in licensed software.
The nominal sample rate is 54MHz÷1124, rather than 54MHz÷1125. This is reflected in the frame duration of the standard equipment test.

A 15kHz white screen was displayed to induce audible noise.

ASUS PRIME X570-PRO & ProArt X570-CREATOR WIFI

Using ALC1220 (S1220A).

This sound card serve as our analog reference.

Source Difference Noise floor Time spectrogram
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU(P)-10
Y/C Generic S-Video Cable
With DOL-CPU-11
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset + Sample Rate Hack [1]
YPBPR Retro-Bit Retro Prism Component Cable
Swapped L/R

Blackmagic Intensity Shuttle

Using CS42526 and ADV7604.

Source Difference Noise floor Time spectrogram
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU(P)-10
Y/C Generic S-Video Cable
With DOL-CPU-11
Y/C Hyperkin 3-in-1 HDTV Cable
With DOL-CPU-11
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR Retro-Bit Retro Prism Component Cable
Swapped L/R
TMDS GCVideo-DVI v3.1
TMDS GCVideo-DVI v3.1
Sample Rate Hack [1]

Hauppauge WinTV-HVR-1850

Using CX23888.

Source Difference Noise floor Time spectrogram
CVBS Nintendo RF Modulator
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
Y/C Generic S-Video Cable
With DOL-CPU-11

Open Source Scan Converter

Using PCM1862.

Source Difference Noise floor Time spectrogram
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset + Sample Rate Hack [1]
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU-11
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU(P)-10
YPBPR Nintendo GameCube Component Video Cable + Generic S-Video Cable
With DOL-CPU-11

RetroTINK-5X Pro

Using PCM1808.

Source Difference Noise floor Time spectrogram
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
CVBS Nintendo Stereo AV Cable
With DOL-CPU(P)-10
Y/C Generic S-Video Cable
With DOL-CPU-11
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
YPBPR Bitfunx/Kaico GameCube Component Cable
Swapped L/R
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter
DC Offset + Sample Rate Hack [1]
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU-11
YPBPR Nintendo GameCube Component Video Cable + Nintendo Stereo AV Cable
With DOL-CPU(P)-10
YPBPR Nintendo GameCube Component Video Cable + Generic S-Video Cable
With DOL-CPU-11

Instrument measurements

SIGLENT SDS1104X-E

1000Hz tone
Source VPP VMax VMin VRMS
L R L R L R L R
CVBS Nintendo Stereo AV Cable
With DOL-CPU-11
5.40 5.36 2.68 2.64 -2.72 -2.72 1.81 1.81
CVBS Nintendo Stereo AV Cable
With DOL-CPU(P)-10
5.36 5.36 2.64 2.64 -2.72 -2.72 1.81 1.81
Y/C Generic S-Video Cable
With DOL-CPU-11
5.44 5.40 2.68 2.68 -2.76 -2.72 1.82 1.81
RGBCVS HD Retrovision SNES Component Cable
With DOL-CPU(P)-10
5.36 5.36 2.64 2.64 -2.72 -2.72 1.81 1.81
YPBPR Bitfunx/Kaico GameCube Component Cable 5.80 5.88 2.88 2.92 -2.92 -2.96 1.95 1.99
YPBPR GCVideo-DVI v3.1 + Portta HDMI to YPbPr Converter 2.40 2.40 1.20 1.20 -1.20 -1.20 0.787 0.788