www.hairersoft.com

That did it!

Many thanks, Martin, for your dogged support!

-- Gerry

Sure. How do I reset bit rate to 56k?

-- Gerry

After conversion, when attempting to save as m4a (and others), it produces the same complaint.

-- Gerry

Where would I find such conversion options?

-- Gerry

> ... and what is the quality (bit depth, sampling rate, mono/stereo) of
> the sound that you start from?

I can't tell externally, as it's a "System 7 Sound" file. Once in AMPro it tells me that it is sampled at 8 bit, 11,025, and I feel sure it's mono.

-- Gerry

For m4a:

Compression: AAC
Bitrate: 128 kbps

-- Gerry

I am running OS 10.6.3.

I used a fresh account for the process and got the same alert.

I mis-stated the initial problem when I included NeXT/Sun (.au). That one works okay.

-- Gerry

I was doing some experiments in output formats and got the following alert: "The audio converter couldn't be created. (Maybe the appropriate codec is not installed.)" This happened when attempting to output the following formats: AAC ADTS NeXT/Sun (.au) mp4 m4a Bookmarkable aac. Am I missi...

That was easy! Many thanks.

-- Gerry

I'm using Amadeus Pro 1.4, and it seems I've installed it recently. It's dated 2/16/09. I've used the program successfully for a few years. Mac OS X 10.5.6, PPC G5, 2.1 Ghz, 1.5 GB Ram. This morning I note that during playback of an AIFF it is silent. I can see the soundwave, the pointer is moving t...