My CD-ROM drive won't play audio

Graham Humphrey · 11 March 2006, 12:03

My system is A1200, 2.1G hard drive, 040/33 with MMU, FPU and 32M fast RAM, external floppy, Squirrel SCSI and CDROM drive (funnily enough).

This is strange but my drive won't play any audio tracks at all. It doesn't recognise audio CDs (I just get an CD0:???? icon) and games like T-Zero won't play audio tracks in the game. Also no CD-player programs recognise audio CDs either.

I use AmiCDFS 2.40 and cd.device. It was originally installed with Commodore's CDFS and I had the same problem with that. I can't seem to get any other filing system to work with it at all.

Normal Amiga and PC CDs work fine, but I'd really like to know how to play audio tracks. I'm not sure if it's my drive at fault or cd.device or something.

thomas · 11 March 2006, 15:48

You cannot hear CD audio on the A1200 anyway unless you get some additional hardware to mix the CD audio output into the Amiga's audio channels.

SongPlayer is the only program I know which reads digital audio data from the CD and plays it through the Amiga's audio hardware.

Usually CD player programs and games just send the command to play audio to the CD drive and the drive then plays the music through its analogue output. You can hear it if you connect loudspeakers or a headset to the CD drive but it won't be mixed with the Amiga audio.

cooldude · 11 March 2006, 22:57

Yep...MakeCD also plays CD audio thru the Ami, although the
quality is not that good. Some Amiga dealers sell a combo connector
to mix both outputs & send them to stereo unit. Have you tried plugging
earphones into the CD?? I once made up some RCA plugs to join the CD's
audio plug to the Amiga's output. (BTW The CD output is a LOT louder!)

Graham Humphrey · 13 March 2006, 19:17

The problem is not that I can't hear it, just that it won't read it at all. Does anyone have any idea why this happens? Surely a CD drive should recognise an audio CD.

thomas · 13 March 2006, 20:07

Quote:

Surely a CD drive should recognise an audio CD.

Are you really sure ? How old is it ? Does it have audio connectors ?

Another possibility is that audio playing is stopped by another command. For example if the dos driver is set up to poll for disk changes every three seconds, audio playback is stopped before it can even start.

Calgor · 15 March 2006, 16:03

How to check if the dos driver is setup to poll for disk changes every 3 secs?

thomas · 15 March 2006, 16:27

Check the DosDriver for parameters and the driver's documentation.

kriz · 15 March 2006, 19:32

Also AsimCdfs3.X can also play audio cd`s digitally through paula... (with the included cd audio software).

Strange stuff, best thing would be another cdrom to test with

But since its scsi you maybe dont have a second one for testing..

Graham Humphrey · 15 March 2006, 20:21

Quote:

Originally Posted by thomas

Are you really sure ? How old is it ? Does it have audio connectors ?

Another possibility is that audio playing is stopped by another command. For example if the dos driver is set up to poll for disk changes every three seconds, audio playback is stopped before it can even start.

I'm not sure how old it is (I bought it second-hand). It does have audio connectors though. Will have to check the driver thing though.

Graham Humphrey · 15 March 2006, 20:22

Quote:

Originally Posted by kriz

Also AsimCdfs3.X can also play audio cd`s digitally through paula... (with the included cd audio software).

Strange stuff, best thing would be another cdrom to test with

But since its scsi you maybe dont have a second one for testing..

No I don't unfortunately. Where do I get AsimCDFS 3 from? That would be interesting to try.

Calgor · 19 March 2006, 16:05

I just reinstalled OS3.9, and it fixed my audio problems, with the only difference from my previous OS3.9 install being that I didn't copy over the existing CDROM drivers, or the existing Cybergraphx/PPC video card drivers. So maybe as thomas suggested that may be the problem.

My CDROM also stop making strange mechanical sounds periodically. Maybe that was the polling that was causing that sound, and also stopping the CDROM audio working!

Mind you, my CDROM seems to be playing the audio mechanically, but no sound was actually coming out of speakers - so not sure if same issue as yours.

11 March 2006, 12:03	#1
Graham Humphrey Moderator Join Date: Jul 2004 Location: Norwich, Norfolk, UK Age: 37 Posts: 11,167	My CD-ROM drive won't play audio My system is A1200, 2.1G hard drive, 040/33 with MMU, FPU and 32M fast RAM, external floppy, Squirrel SCSI and CDROM drive (funnily enough). This is strange but my drive won't play any audio tracks at all. It doesn't recognise audio CDs (I just get an CD0:???? icon) and games like T-Zero won't play audio tracks in the game. Also no CD-player programs recognise audio CDs either. I use AmiCDFS 2.40 and cd.device. It was originally installed with Commodore's CDFS and I had the same problem with that. I can't seem to get any other filing system to work with it at all. Normal Amiga and PC CDs work fine, but I'd really like to know how to play audio tracks. I'm not sure if it's my drive at fault or cd.device or something.

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11 March 2006, 15:48	#2
thomas Registered User Join Date: Jan 2002 Location: Germany Posts: 7,001	You cannot hear CD audio on the A1200 anyway unless you get some additional hardware to mix the CD audio output into the Amiga's audio channels. SongPlayer is the only program I know which reads digital audio data from the CD and plays it through the Amiga's audio hardware. Usually CD player programs and games just send the command to play audio to the CD drive and the drive then plays the music through its analogue output. You can hear it if you connect loudspeakers or a headset to the CD drive but it won't be mixed with the Amiga audio.

11 March 2006, 22:57	#3
cooldude Registered User Join Date: Feb 2006 Location: Australia Posts: 112	Yep...MakeCD also plays CD audio thru the Ami, although the quality is not that good. Some Amiga dealers sell a combo connector to mix both outputs & send them to stereo unit. Have you tried plugging earphones into the CD?? I once made up some RCA plugs to join the CD's audio plug to the Amiga's output. (BTW The CD output is a LOT louder!)

13 March 2006, 19:17	#4
Graham Humphrey Moderator Join Date: Jul 2004 Location: Norwich, Norfolk, UK Age: 37 Posts: 11,167	The problem is not that I can't hear it, just that it won't read it at all. Does anyone have any idea why this happens? Surely a CD drive should recognise an audio CD.

15 March 2006, 16:03	#6
Calgor (Amigas && Amigos)++ Join Date: Sep 2005 Location: Anrea Posts: 999	How to check if the dos driver is setup to poll for disk changes every 3 secs?

15 March 2006, 16:27	#7
thomas Registered User Join Date: Jan 2002 Location: Germany Posts: 7,001	Check the DosDriver for parameters and the driver's documentation.

15 March 2006, 19:32	#8
kriz Junior Member Join Date: Sep 2001 Location: No(R)Way Age: 41 Posts: 3,200	Also AsimCdfs3.X can also play audio cd`s digitally through paula... (with the included cd audio software). Strange stuff, best thing would be another cdrom to test with But since its scsi you maybe dont have a second one for testing..

19 March 2006, 16:05	#11
Calgor (Amigas && Amigos)++ Join Date: Sep 2005 Location: Anrea Posts: 999	I just reinstalled OS3.9, and it fixed my audio problems, with the only difference from my previous OS3.9 install being that I didn't copy over the existing CDROM drivers, or the existing Cybergraphx/PPC video card drivers. So maybe as thomas suggested that may be the problem. My CDROM also stop making strange mechanical sounds periodically. Maybe that was the polling that was causing that sound, and also stopping the CDROM audio working! Mind you, my CDROM seems to be playing the audio mechanically, but no sound was actually coming out of speakers - so not sure if same issue as yours.

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