[DECtalk] the cause of electronic beeps in dectalk?

[Mohamed]

Although I wonder why it's not a fixed beep, the pitch changes and 
something I don't hear it at all.

On 05/23/15 05:04 PM, Tom Kopec via Dectalk wrote:
> DECtalk software or hardware?
>
> Ed is right, the fixed-point math can result in a +- 1 bit 
> oscillation.. though I admit I never noticed it when I was working 
> with DECtalk back in the 1990s (if I did, I would have fixed it!)
>
> Good to hear from you Ed as well.. hope things are going as well as 
> then can..
>
> ...tom
>
>
>
> On 5/23/2015 12:00 PM, dectalk-request at bluegrasspals.com wrote:
>> Message: 1
>> Date: Fri, 22 May 2015 17:46:13 -0400
>> From: Mohamed <malhajamy at gmail.com>
>> To: DECtalk <Dectalk at bluegrasspals.com>
>> Subject: [DECtalk] the cause of electronic beeps in dectalk?
>> Message-ID: <555FA3A5.7030200 at gmail.com>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> Hi guys, so, I'm wondering. What exactly causes the faint electronic
>> beeps at the end of phrases in dectalk?
>> Thanks.
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Sat, 23 May 2015 06:22:54 -0400
>> From: Edward Bruckert <edbruckert at gmail.com>
>> To: DECtalk <dectalk at bluegrasspals.com>
>> Subject: Re: [DECtalk] the cause of electronic beeps in dectalk?
>> Message-ID: <18FCA6D6-CEDF-40F0-9C89-54D7935097CC at gmail.com>
>> Content-Type: text/plain; charset=us-ascii
>>
>> what your hearing is valled a limit cycle. The filters can sometimes 
>> when feed with zeros oscillate in the low order
>> bits in fixed point arithmetric. Ps I an now blind myself.
>>
>>
>>
>
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