How to downsample SFD file (MPEG-1 + ADX)

@Dreamcast

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Dreamcast

 · 22 Dec 2022

Create a folder name Downsample in c:\selfboot

Start the Mpeg-VCR V3.00
In Mpeg-VCR V3.00 Menu, select Tool/MPEG DeMultiplexer
Check the following options accordingly: For Example: Game Silver, File Intro.sfd
Input File Stream: C:Selfboot\Data\Moive\Intro.sfd
Output File Video: C:\SelfBoot\Downsample\Intro.M1V
Output File Audio: C:\SelfBoot\Downsample\Intro.ADX
Click save to start the Recording Processed

After that you'll got the Intro.M1V & Intro.ADX files in your HD, Close Mpeg-VCR V3.00, it's times to next step

Start CinePack

Click File menu / Open

Select Intro.ADX (which locate in c:\selfboot\Downsample\)
Click File menu / Convert
Click save then You'll see a pop up window Pass 1/1:(ADX->WAV)
Wait until the convert completed and close the CinePack
After that,you'll got the Intro.WAV files in your HD ,

it's times to next step

Start DCMovieCreator

Check the following options accordingly:
Material Files, Video: C:\SelfBoot\Downsample\Intro.M1V
Material Files, Audio: C:\SelfBoot\Downsample\Intro.wav
Output File, File Name: C:\Selfboot\Data\Moive\Intro.sfd
Type: Sofdec Data (sfd)
Video: 2100 kbits/sec
Audio: 22050 Hz, Monaural (L+R)

Click the Batch Processing...
You are done!
Note: reduce the num in box kbits/sec = reduce the output sfd moive resolution & file size

Notice: It's seems DC Moive Creator hv extension conflict on some OS, If you can't select the Video: kbits/sec & Audio: Hz, Monaural (L+R), try use ".MPV" extension instead as ".M1V"

How to downsample ADX file

Create a folder name Downsample in c:\selfboot

Start CinePack
Click File menu / Open

Select ADX file which you want to downsampling
Click File menu / Convert
Click save then You'll see a pop up window Pass 1/1:(ADX->WAV)

Wait until the convert completed and close the CinePack
After that, you'll got the WAV files in your HD ,

it's times to next step

Start DCMovieCreator

Check the following options accordingly:
Material Files, Audio: C:\SelfBoot\Downsample\???.WAV
Output File, File Name: C:\Selfboot\Whatever name you want.ADX
Type: Sofdec Audio (sfa)
Audio: 22050 Hz, Monaural(L+R )

Click the Batch Processing...
You are done!
Note: '.sfa' file is pretty much the same as an '.adx' file.

How to downsample .AFS files

Check out different way to downsample .AFS files.

Software Requirements:

• Afs_extract
• Adx2wav
  
• CoolEdit2k
  
• Wav2adx
  
• Afslnk
  

Make a directory on your hard disk, C:\Selfboot\Downsample

Place Afs_extract ,Adx2wav ,Wav2adx & Afslnk to that directory.

Extract .AFS file which you want to downsample with ISOBuster to directory c:\Selfboot\Downsample

eg. Bgm.afs(109mb) "DynamtieC*p2 -US"

Please verify that you have all of these files before proceeding.

Extract .AFS to each .ADX files

To do this, Open up a DOS Window and type in the following commands:

cd c:\selfboot\downsample 
Afs_extract Bgm.afs

After executing these commands, Afs_extract should have converted .AFS file to each .ADX files and extension eg. "Bgm_00.adx => Bgm_29.adx"

Del *.AFS

Convert .ADX to .WAV files

To do this, Open up a DOS Window and type in the following commands:

cd c:\selfboot\downsample 
Adx2wav *.adx

After executing these commands, Adx2wav should have converted .ADX files to .WAV files and extension eg. "Bgm_00.wav => Bgm_29.wav"

Del *.ADX

Downsample .WAV files

There are several freeware programs available on the Net to do this.
eg. CoolEdit2k

Start CoolEdit2K
CoolEdit2K Menu, File/Open, select the .WAV file,
CoolEdit2K Menu, Select Edit/Convert Sample Type...
Choose 22050hz, Channel Mono, 16bit, Click OK
CoolEdit2K Menu, Select File/Save.
Repeat until you convert all .WAV files

Convert .WAV to .ADX files

To do this, Open up a DOS Window and type in the following commands:

cd c:\selfboot\downsample 
Wav2adx *.wav

After executing these commands, Wav2adx should have converted .WAV files back to .ADX files and extension. "ADX file Non-Loop at the end"

Del *.WAV

Note: If you have program Adxencd.exe ,
type in the following commands from DOS Window:

cd c:\selfboot\downsample 
Adxencd *.wav -lpe

these commands should have converted .WAV files to .ADX files "loop at the end"

Combine each .ADX to a single .AFS file

To do this, Open up a DOS Window and type in the following commands:

cd c:\selfboot\downsample 
dir /b /o /s *.adx > ADXTXT.TXT 
Afslnk ADXTXT.txt Bgm.afs

After executing these commands, Afslnk should have combined .ADX files to a single .AFS file and extension. eg. "Bgm.afs"

Del *.WAV 
Del ADXTXT.txt

That all ,have fun :)