Hi, Does "Block size" and "Window size" mean the same in Vorbis I decoder? Or Block size refers to frame size? In the specification it is mentioned block size can be from 64 to 8192 and same for frame size per channel as well? If the above statement is correct, does it support 128 to 16384 window size? As 50% overlap is the there in the mdct. In brief I want to know the supported window size, frame size per channel and block size. Please reply at your earliest. Thanks in advance. Best Regards, ------------------------------------------------------------------------------------------------------------------------ Sanjay Kumar Project Leader, Philips Applied Technologies Philips Innovation Campus #1 Murphy Road Ulsoor, Bangalore - 560 008 Ph: +91 80 25579000 Extn. 5002 Fax: +91 8025546645 Email: sanjaykumar.gupta@philips.com ------------------------------------------------------------------------------------------------------------------------ -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/vorbis/attachments/20060516/6f09ce12/attachment.html
On 5/16/06, Sanjaykumar Gupta <sanjaykumar.gupta@philips.com> wrote:> > Hi, > > Does "Block size" and "Window size" mean the same in Vorbis I decoder? > Or Block size refers to frame size?Yes, these refer to the same thing. The window/block size can be from 64 to 8192 samples. The amount of decoded PCM data actually output per block, because of the overlapping, of course, is different from this. Mike
Hi Mike, Thanks for your prompt reply. Can I conclude that frame size(output audio samples per channel) will be from 32 to 4096? Please reply at your earliest. Best Regards, ------------------------------------------------------------------------------------------------------------------------ Sanjay Kumar Project Leader, Philips Applied Technologies Philips Innovation Campus #1 Murphy Road Ulsoor, Bangalore - 560 008 Ph: +91 80 25579000 Extn. 5002 Fax: +91 8025546645 Email: sanjaykumar.gupta@philips.com ------------------------------------------------------------------------------------------------------------------------ "Michael Smith" <msmith@xiph.org> Sent by: mlrsmith@gmail.com 2006-05-16 03:24 PM To Sanjaykumar Gupta/BTC/APPTECH/PHILIPS@PHILIPS cc tremor@xiph.org vorbis@xiph.org Subject Re: [Tremor] Blocksize Vs Window size? Classification On 5/16/06, Sanjaykumar Gupta <sanjaykumar.gupta@philips.com> wrote:> > Hi, > > Does "Block size" and "Window size" mean the same in Vorbis I decoder? > Or Block size refers to frame size?Yes, these refer to the same thing. The window/block size can be from 64 to 8192 samples. The amount of decoded PCM data actually output per block, because of the overlapping, of course, is different from this. Mike -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/vorbis/attachments/20060516/994f5038/attachment.htm