search for: modified_discrete_cosine_transform

Dear Experts, Can anybody please direct me to proper MDCT theory reference which will help me understand the code better? I'm trying to optimize MDCT for a embedded platform. So need good understanding about theory behind & implementation. Thanks in advance for your time. Warm Regards, Mahantesh -------------- next part -------------- An HTML attachment was scrubbed... URL:

Dear list, I am looking for different window functions used in perceptual audio coding. In the mp3 format, these windows overlap with each other, but I haven't found any information about their mathematical expression, nor their numerical values (see attached document). Which temporal windows are used in ogg audio coding? Thank you very much in advance. Kind regards, ------ Fernando A.

http://en.wikipedia.org/wiki/Modified_discrete_cosine_transform is an OK place to start. On Mon, Jul 8, 2013 at 7:33 AM, Mahantesh Belakhindi <girishec28 at gmail.com>wrote: > Dear Experts, > > Can anybody please direct me to proper MDCT theory reference which will > help me understand the code better? > > I'm trying to optimize M...

the Vorbis FAQ says: "mid to high quality (8kHz-48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel." What is the difference between Hz and bitrate? Doesn't MP3 support higher bitrates? Pointers for more reading are welcome.

...were a year ahead of me?), around '92. I remember you talking back then about founding a company around some audio processing software you were working on (some kind of programmable filtering tool? I forget). PPS. I wrote up a few notes on the MDCT for Wikipedia (http://www.wikipedia.org/wiki/Modified_discrete_cosine_transform), with some help from Frank Klemm of LAME regarding their use in various codecs. Maybe someone here will find the page useful (or have corrections). PPPS. I'll be out of town, probably with no email, until Wednesday. -------------- next part -------------- A non-text attachment was scrubbed...