On 2006-06-21T15:21+0100 Karl Heyes wrote:> You capture at 48000 but resample from 44100, that will cause problems. > You resample to 22050 so that will affect quality, you haven't said what > bitrate you want to target for, so resampling/downmixing may be required > anyway.I am unsure about these settings. Any particular suggestions? I don't quality with voice, just clarity.> >Can I cut the delay? > A few secs delay is generally not a problem, but if you want to reduce > it then reduce the burst-size (eg 0) in icecast and also reduce the > pre-buffering in the player.Sorry it isn't 3secs. It's closer to 3minutes. And yes I'm using ices2.
On 2006-06-22T01:07+0900 Kai Hendry wrote:> On 2006-06-21T15:21+0100 Karl Heyes wrote: > > You capture at 48000 but resample from 44100, that will cause problems. > > You resample to 22050 so that will affect quality, you haven't said what > > bitrate you want to target for, so resampling/downmixing may be required > > anyway. > > I am unsure about these settings. Any particular suggestions? I don't > quality with voice, just clarity.[2006-06-22 01:17:05] WARN input-alsa/alsa_open_module samplerate 44100 Hz not supported by your hardware try using 48000 instead I guess I just got to fiddle around with this. :(
Kai Hendry wrote:> On 2006-06-22T01:07+0900 Kai Hendry wrote: >> On 2006-06-21T15:21+0100 Karl Heyes wrote: >>> You capture at 48000 but resample from 44100, that will cause problems. >>> You resample to 22050 so that will affect quality, you haven't said what >>> bitrate you want to target for, so resampling/downmixing may be required >>> anyway. >> I am unsure about these settings. Any particular suggestions? I don't >> quality with voice, just clarity. > > [2006-06-22 01:17:05] WARN input-alsa/alsa_open_module samplerate 44100 Hz not supported by your hardware try using 48000 instead > > I guess I just got to fiddle around with this. :(try either read at 48000 and resample (<in>) at 48000 or read at 22050/mono from plughw:0,0 (or similar) and don't resample or downmix. low bitrate streams can have huge latencies if your buffers are not small enough, eg a 16kbps stream is 30+ seconds in a 64k buffer. karl.