[kwlug-disc] Fwd: It's that time of term... EOT (plus prof talk)!

Bob Jonkman bjonkman at sobac.com
Sat Jul 23 22:00:17 EDT 2016


I have no affiliation with CSClub either, and I've been to CSClub events before. A previous CSClub put me on their mailing list so I could put their events on the WatCamp calendar. I think that's  tacit approval for anyone to attend. 

--Bob. 

On July 23, 2016 8:02:56 PM AST, Sandeep Johri <sandeepjohri at rogers.com> wrote:
>Hi Bob
>
>This sounds really interesting.  Is it open to anyone (can I attend -
>I'm no no way affiliated with UofW) and do you know if there's a cost
>for attending?
>
>Thanks for sharing.
>
>Regards
>Sandeep
>
>From:
>Sandeep Johri
>
>On 23/07/16 04:16 PM, Bob Jonkman wrote:
>> A Linux presentation at UofW CSClub!
>>
>>
>>
>> --Bob.
>>
>>
>> -------- Forwarded Message --------
>> Subject: [CSC] It's that time of term... EOT (plus prof talk)!
>> Date: Fri, 22 Jul 2016 19:37:50 -0400
>> From: Computer Science Club <csc-general at csclub.uwaterloo.ca>
>> Reply-To: exec at csclub.uwaterloo.ca
>> To: csc-general at csclub.uwaterloo.ca
>>
>> Hello programs,
>>
>> Join us on Monday, July 25th at 6pm in the MC Comfy Lounge for an
>> exciting prof talk by Richard Mann on Open Source Computer Sound
>> Measurement. The abstract for the talk is below. We will follow this
>> up by an EOT event with dinner and board games! Last event of the
>> term, get hype.
>>
>>  Abstract:
>>
>>
>>
>>
>> > An ideal computer audio system should faithfully reproduce signals
>> > of all frequencies in the audible range (20 to 20,000 cycles per
>> > second). Real systems, particularly mobile devices and laptops, may
>> > still produce acceptable quality, but often have a limited
>> > response, particularly at the low (bass) frequencies.
>>
>> > Sound/acousic energy refers to time varying pressure waves in air.
>> > When recording sound, the acoustic signal will be picked up by
>> > microphone, which converts it to electrical signals (voltages).
>> > The signal is then digitized (analog to digital conversion) and
>> > stored as a stream of numbers in a data file.  On playback the
>> > digital signal is converted to an electrical signal (digital to
>> > analog conversion) and finally returned as an acoustic signal by a
>> > speaker and/or headphones.
>>
>> > In this talk I will present open source software (Octave/Linux) to
>> > measure the end-to-end frequency response of an audio system using
>> > the Discrete Fourier Transform.  I will demonstrate the software
>> > using a standard USB audio interface and a consumer grade
>> > omnidirectional microphone.
>>
>> > This is joint work with John Vanderkooy, Distinguished Professor
>> > Emeritus, Department of Physics and Astronomy.
>>
>> Hope to see you there!
>>
>> ---
>> Melissa Tedesco
>> Vice President
>> Computer Science Club
>>
>> > > _______________________________________________ > kwlug-disc
>mailing list > kwlug-disc at kwlug.org >
>http://kwlug.org/mailman/listinfo/kwlug-disc_kwlug.org > >


--

Bob Jonkman <bjonkman at sobac.com> Phone: +1-519-635-9413
SOBAC Microcomputer Services http://sobac.com/sobac/
Software --- Office & Business Automation --- Consulting 
GnuPG Fngrprnt:04F7 742B 8F54 C40A E115 26C2 B912 89B0 D2CC E5EA

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