How to save in uLaw and aLaw format?

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KVRist
494 posts since 23 Jan, 2008

Post Mon Oct 18, 2021 12:01 am

How to save in uLaw and aLaw format? I am making files for IVR, but I have not found such a common and old format for call center systems and answering machines.

Is it possible to add this format to Acoustica without using third-party converters? The fact is that after a third-party converter, the volume changes (RMS / LUFS), and it is necessary to select new parameters for normalization. Working in two programs increases the number of unnecessary movements.

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KVRian
1237 posts since 1 Jan, 2005 from Norway

Post Mon Oct 18, 2021 12:18 am

I'm afraid the Acoustica doesn't support uLaw or aLaw. These are old and mostly obsolete formats and there's not much interest in them, I think.

Best,
Stian

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KVRist

Topic Starter

494 posts since 23 Jan, 2008

Post Mon Oct 18, 2021 12:24 am

stian wrote:
Mon Oct 18, 2021 12:18 am
I'm afraid the Acoustica doesn't support uLaw or aLaw. These are old and mostly obsolete formats and there's not much interest in them, I think.

Best,
Stian
Sorry to hear that. Your potential base is all the systems of cellular operators. All cellular communications work on this outdated format, because no one will drive traffic for IVR in mp3 format - it is unprofitable, therefore, a GSM data stream of 64 kbit is used.

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KVRian
1237 posts since 1 Jan, 2005 from Norway

Post Mon Oct 18, 2021 12:47 am

Ok, thanks for your feedback. It is the first time we hear this request, but I've added it to the task tracking system and we'll see. It's not a large task, so we'll see what we can do.

Best,
Stian

User avatar
KVRist

Topic Starter

494 posts since 23 Jan, 2008

Post Mon Oct 18, 2021 1:04 am

stian wrote:
Mon Oct 18, 2021 12:47 am
Ok, thanks for your feedback. It is the first time we hear this request, but I've added it to the task tracking system and we'll see. It's not a large task, so we'll see what we can do.

Best,
Stian
I will be grateful. I think it won't take a lot of effort, because it is a very well-known and simple format. But I have been working at SoundForge with this format for 15 years, and nothing has changed during this time. All auto-answering machines or melodies on hold that you hear on your phone can be in only one of two formats: uLaw or 8khz / 16bit PCM.

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