Re: Mockingboard

[mjmahon@aol.com (Michael J. Mahon)]

Eric replied:

>"Michael J. Mahon" <mjmahon@aol.com> wrote in message
>20030724212135.10408.00000792@mb-m05.aol.com">news:20030724212135.10408.00000792@mb-m05.aol.com...
>
>> Eric asked:
>>
>> >Can anyone tell me what is the difference between this two versions of
>> >Mockingboard:
>> >
>> >1. Mockingboard SSP2000 Rev D - 1985
>> >2. Mockingboard 'C' - 1983
>> >
>> >I thought card 2 is more superior than card 1. But card 1 was made 2
>years
>> >later.
>>
>> It would help to know what differences are observable, if you have them.
>>
>> Since the sound generation is identical, I presume the difference is in
>> the speech synthesis...?
>>
>> Later cards used the SSI-263 chip, which has a couple of bugs that
>> the earlier SC-01 chip did not have.  I have found it particularly
>> noticeable after "glottal stops", when a distinct electronic "pop"
>> is audible with the 263 that was not present with the SC-01.
>Hi Michael,
>
>I do not have the newer card (SSP2000 Rev D) to learn the differences.
>Hopefully someone who has it can verify the problem.

Is the question about speech or sound?  (As I said, all the
Mockingboards use the same sound generation chip.)

If speech, which chip does the board you have use?  How many
pins?  And 0.300" width (SC-01) or 0.600" width (SSI-263)?

I believe the reason the later cards used the SSI-263 is that
the SC-01 was no longer being made.  The SSI-263 is very much
like the SC-01, but has a few "improvements" that were not
thoroughly debugged.

-michael

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