search for: overcompress

...ree providers, we see a curious thing: The audio quality in the direction from our softphones to the outside world still sounds as good as POTS, but the audio quality in the inbound direction (outside world -> VoIP Provider -> asterisk -> softphone) is noticeably worse. It sounds "overcompressed" or "slightly robotic" somehow, with a decrease in dynamic range. It's not lagged or echoey; it just sounds like it's maybe using a crappier codec than ulaw, in that direction only. I'm baffled by this. Both legs of the calls show as "Format: 0x4 (ulaw)&q...

...to speex using a simple tape recorder-like interface (eg you can quickly rewind to your error, and continue from that point)? Is there any kind of filter/processor that will produce very compact low-bandwidth results so that playback sounds like telephone quality, without any of the scary digital overcompression effects? Can any user app play and seek speex streamed over http, and display and modify author/title/comments? Is there a way that someone listening to an audio book in Speex format can skip to a bookmark or to the next page? Is there a preprocessor that can help with spoken word that has mu...