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Rip your Audio CD to Opus using my latest opusenc.exe build with Exact Audio Copy

Rip your Audio CD to Opus using my latest opusenc.exe build with Exact Audio Copy

Hi everyone,

Today, I’d like to show you the steps to rip your Audio CD to Opus using Exact Audio Copy and my latest opusenc.exe build.

Why use my opusenc.exe build?

  1. First, it includes the newly added –tracknumber argument which enables you to easily pass the track number to the opus file.
  2. Second, it is not needed to specify the output filename, as it will use the same input name. For Exact Audio Copy, this means that you only need to add the source and not the destination.
  3. Third, it includes all of the latest commits performed to the opus, libopusenc, and opus-tools, so the build is up to date.

You can read more about the new features in opusenc.exe in yesterday’s post.

Please note that my build is only for 64bit systems. If you PC runs a 64-bit version of Windows, then you can proceed with these instructions.

Downloading opusenc.exe

You can download my latest build of opusenc.exe by clicking here. Then, you need to extract opusenc.exe to a location of your choice.

Setting up Exact Audio Copy

1. Launch Exact Audio Copy:

EAC Opus 1

2. Go to the “EAC” menú and select “Compression options”:

EAC Opus 2

3. Now, head to the “External Compression” tab if you’re not there:

EAC Opus 3

4. In “Parameter passing scheme:” select “User Defined Encoder”. Then, in “Use file extension”, write “.opus”:

EAC Opus 4

5. Next, browse for the opusenc.exe executable in the place where you extracted it:

EAC Opus 5

6. Next comes the command-line options. You’ll write the following line:

--music --bitrate 64 --artist "%artist%" --title "%title%" --album "%albumtitle%" --date "%year%" --genre "%genre%" --tracknumber %tracknr1% --comment "COMMENT=%comment%" %hascover%--picture "%coverfile%"%hascover% %source%
EAC Opus 6

7. Finally, press “OK”:

EAC Opus 7

You’re done!

With these easy steps, you’ll now be able to rip and encode your audio CD’s to the Free and Open Source Opus format!


Ripping my Audio CD music collection to Opus with EAC

Ripping my Audio CD music collection to Opus with EAC

Hi everyone,

Today, I did a quick experiment using a relatively new Open Source Lossy audio format called Opus, by the Xiph.Org foundation. I downloaded the opus-tools package from the official Opus Website and tried a tool called “opusenc.exe”.

Wow! I was really impressed by the sound quality! I like to listen to my audio CD music collection, and I personally have them ripped to the FLAC audio format, which is a Lossless Audio Codec, but being Lossless means it consumes a lot of space, but less than what would use an entire Audio CD if no Lossless compressed codec is used.

Enter Opus. This amazing audio codec provides amazing sound quality that easily beats other lossy formats like MP3 and AAC/M4A. What I did was start at 128kb, and then gradually getting the bitrate down to 64kb. I went ahead and ripped a CD to 48kb/s, but at that bitrate, you could hear artifacts in the audio which aren’t heard at 64kb/s, so I chose 64kb/s to rip my music CDs.

The tool I’m using is called Exact Audio Copy, which looks like this:

To use Opus as our encoder, we need to go to the EAC menú, then to Compression Options…

You’ll see this:

If you’re not in the External Compression tab, click it. Then, we will choose “User Defined Encoder”. We’ll also enter the “.opus” file extension which is the one used for Opus files.

Next, we need to browse for the “opusenc.exe”. If you went above and downloaded the “opus-tools” package, you should be able to extract the “opusenc.exe” executable to a place you desire, and then you should browse for it, or copy and paste the path. If you haven’t downloaded Opus Tools, you can download the latest builds for the 1.3-rc version which is currently in development here:,116059.100.html

Next, we need to setup the parameters. Copy and paste this in the “Additional command-line options” field:

--music --bitrate 64 --artist "%artist%" --title "%title%" --album "%albumtitle%" --date "%year%" --genre "%genre%" --comment "COMMENT=%comment%" %hascover%--picture "%coverfile%"%hascover% %source% %dest%

–music tells it to encode lower bitrates for music instead of speech, –bitrate is pretty obvious, you can change the bitrate of the audio file by changing the “64” above to anything you’d like. Feel free to experiment!

The next arguments are related to the file metadata, were if will add the album artist, album name, track title, year, genrge, comments, picture if it has a cover art, and lastly, the source file and the destination file.

Once you’ve setup the encoder, press “Test encoder” to test that everything is ok. If it is, you should see something similar to this:

Now, press OK and then OK again. Now, you’re be able to rip your music collection to Opus!

Once the rip is complete, you can see that the file size is really small!

Impressed? Go experiment with the Opus audio codec right now! You can use foobar2000 to play back the files or use a compatible hardware music player like the Hiby R3