Path: chuka.playstation.co.uk!news From: "Alex Herbert" Newsgroups: scee.yaroze.programming.sound Subject: Re: sound question Date: Fri, 16 Jul 1999 20:46:50 +0100 Organization: PlayStation Net Yaroze (SCEE) Lines: 47 Message-ID: <7mo1kn$bjc13@chuka.playstation.co.uk> References: <7mj588$bjc3@chuka.playstation.co.uk> NNTP-Posting-Host: 195.166.144.99 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 Hi Derek, In the Tone Attribute Table in VabTool, set the "centre" attribute to 60 for 44KHz, 72 for 22KHz etc. That should do the trick! Herbs Derek da Silva wrote in message news:7mj588$bjc3@chuka.playstation.co.uk... > This sound stuff is pretty darn tricky. > > I understand that for a 44khz sample, note 60 (middle C) plays the sample > at the correct speed, and that a 22khz sample must be played an octave lower > (note 48) to get the same speed. > > I've been using VabTool to create a VAB of my sound effects and find that > 44khz samples play back correctly at note 64 and 22 khz samples at note 52. > Why is this? I notice in George Bain's sound tutorial that the the example > sound effects are keyed on with note 64. > > Looking at a SEQ player example by Jason Page I grabbed from the tutorial > section of the website, all the samples in the VAB (t11.vab) play back at > the correct speed with note 60. Why does a 44khz sample play back correctly > at note 60 in one instance and note 64 in another? > > When creating a VAB of samples to use as your 'instruments' (in a > SEQ)sampled at different frequencies, I suppose it must be necessary to > adjust the position of middle C depending on the frequency of the sample. > If so, how is this done? > > Thanks > > Derek > > > >