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Re: [codec] McGill university speech database

Anisse Taleb <anisse.taleb@huawei.com> Fri, 08 October 2010 15:21 UTC

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Date: Fri, 08 Oct 2010 15:22:06 +0000
From: Anisse Taleb <anisse.taleb@huawei.com>
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Subject: Re: [codec] McGill university speech database
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Dear Michael,

Just a few comments.

The TSP database is indeed quite extensive, however, if I am not mistaken, it contains English language only (?).

Regarding the balancing of items, one of the main use cases of this codec are conversational applications, as such, the testing should include as much speech items as possible in different conditions, including noisy, reverberant rooms, error conditions/packet losses and more. Furthermore, It is well known that codecs performance may depend on the language of the items used in testing and it is not unheard-of to have a codec pass a quality performance requirement in a certain language and utterly fails in some others. The need for language diversity in testing is even more important given the intended wide distribution of the codec.

Kind regards,
/Anisse

-----Original Message-----
From: codec-bounces@ietf.org [mailto:codec-bounces@ietf.org] On Behalf Of Michael Knappe
Sent: Wednesday, September 29, 2010 11:55 PM
To: codec@ietf.org
Subject: [codec] McGill university speech database

Just received permission from Dr. Peter Kabal at McGill University to use their 1400 utterance, 24 different talker (12 male, 12 female) Harvard sentence speech database for our codec testing efforts in the IETF codec WG. Includes the original 48 kHz files. My preference is just to put the McGill link to the 539 MB CD ISO image file up on the codec wiki, if that sounds ok with everyone I will get final permission to post the link from Dr. Kabal and get them up on the wiki asap.

Next step is to work on getting rights to representative music content. A capella vocals (e.g. Tom's Diner) , orchestral crescendo's, castanets, solo violin, jazz trumpet/ensembles, rock/electronica etc would all be good to include for testing, please reply with any suggestions.

Thanks to Jean-Marc for the pointer to Dr. Kabal and the speech database!

Cheers,

Mike
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