最終更新:2021-01-09 (土) 14:19:49 (1196d)
Linux Journal?Introduction to Sound Programming with ALSA
Top / Introduction to Sound Programming with ALSA
https://www.linuxjournal.com/article/6735?page=0,2
Listing 2. Opening PCM Device and Setting Parameters
- default
PCM handle name = 'default' PCM state = PREPARED access type = RW_INTERLEAVED format = 'S16_LE' (Signed 16 bit Little Endian) subformat = 'STD' (Standard) channels = 2 rate = 44100 bps period time = 23219 us period size = 1024 frames buffer time = 23219 us buffer size = 1048576 frames periods per buffer = 1024 exact rate = 44100/1 bps significant bits = 16 tick time = 0 us is batch = 0 is block transfer = 1 is double = 0 is half duplex = 0 is joint duplex = 0 can overrange = 0 can mmap = 0 can pause = 1 can resume = 0 can sync start = 0
- plughw:0,0
PCM handle name = 'plughw:0,0' PCM state = PREPARED access type = RW_INTERLEAVED format = 'S16_LE' (Signed 16 bit Little Endian) subformat = 'STD' (Standard) channels = 2 rate = 44100 bps period time = 5804 us period size = 256 frames buffer time = 5804 us buffer size = 16384 frames periods per buffer = 64 exact rate = 44100/1 bps significant bits = 16 tick time = 0 us is batch = 0 is block transfer = 1 is double = 0 is half duplex = 0 is joint duplex = 0 can overrange = 0 can mmap = 1 can pause = 1 can resume = 1 can sync start = 0
