<page_title> Sampling (signal processing) </page_title> <section_title> Sampling rate </section_title> <table> <cell> 32,000 Hz <col_header> Sampling rate </col_header> </cell> <cell> miniDV digital video camcorder, video tapes with extra channels of audio (e.g. DVCAM with four channels of audio), DAT (LP mode), Germany's Digitales Satellitenradio, NICAM digital audio, used alongside analogue television sound in some countries. <col_header> Use </col_header> </cell> <cell> 44,100 Hz <col_header> Sampling rate </col_header> </cell> <cell> Audio CD, also most commonly used with MPEG-1 audio (VCD, SVCD, MP3). Originally chosen by Sony because it could be recorded on modified video equipment running at either 25 frames per second (PAL) or 30 frame/s (using an NTSC monochrome video recorder) and cover the 20 kHz bandwidth thought necessary to match professional analog recording equipment of the time. <col_header> Use </col_header> </cell> <cell> 96,000 Hz <col_header> Sampling rate </col_header> </cell> <cell> DVD-Audio, some LPCM DVD tracks, BD-ROM (Blu-ray Disc) audio tracks, HD DVD (High-Definition DVD) audio tracks. Some professional recording and production equipment is able to select 96 kHz sampling. <col_header> Use </col_header> </cell> </table>
The sampling rate of 44.1 kHz is for Compact Disc (CD) and other consumer uses, 32 kHz is for transmission-related applications and 96 kHz is for higher bandwidth.