search for: compand

...ink up device peth0 entered promiscuous mode xenbr0: topology change detected, propagating xenbr0: port 2(peth0) entering forwarding state wctdm24xxp0: Missed interrupt. Increasing latency to 4 ms in order to compensate. virbr0: no IPv6 routers present eth0: no IPv6 routers present Unable to set SW Companding on channel 6 (reason 4) Unable to set SW Companding on channel 6 (reason 4) Unable to set SW Companding on channel 6 (reason 4) Unable to set SW Companding on channel 6 (reason 4) Unable to set SW Companding on channel 6 (reason 4) Unable to set SW Companding on channel 6 (reason 4) Unable to se...

...exceeding a configured amplitude threshold is marked 'lost' and the filter builds new audio to fill the gap. In this way it can be used to repair both digital clipping that occurred during sampling, as well as analog clipping that may have happened at an earlier stage. Single-band compander: A single-band compander is used to compress, limit, expand, or gate an input signal, thus providing basic dynamic range manipulation abilities. The Postfish single-band compander provides independent over and under threshold controls for each channel, each providing expansion, co...

...exceeding a configured amplitude threshold is marked 'lost' and the filter builds new audio to fill the gap. In this way it can be used to repair both digital clipping that occurred during sampling, as well as analog clipping that may have happened at an earlier stage. Single-band compander: A single-band compander is used to compress, limit, expand, or gate an input signal, thus providing basic dynamic range manipulation abilities. The Postfish single-band compander provides independent over and under threshold controls for each channel, each providing expansion, co...

...meant for streaming files as they are, which is a very light-weight operation, with the ability to reencode for the case where files aren't at the same bitrate/format. Having said this, if you run it in reencode mode, it should be possible to pipe through a compressor like's sox's compand effect on the way to the encoder. If you're running in reencode mode, you should have something like this example from the documentation in your config file: <encdec> <!-- Support for MP3 decoding via madplay, and encoding via LAME:...

Hi all: I am managing a radio station that has 7 streams. I am using icecast, ices and ezstream on the streams and overall it is working pretty well. One of the streams is an old time radio stream and I use ezstream to run the prerecorded shows. The streams are 128K mp3 streams. Also this station is running on a VPS using Ubuntu 14.04. My question: Is there a package or some sort of

Has anyone needed a coded that Asterisk does not natively support, such as MELPe or CVSD? If so, did you find a pure software solution and provided that as an addition to Asterisk? Was that solution successful? Has using an I/F card with a DSP proved to be the better solutions? We are beginners with Asterisk so any help/advice on how to best implement non-native Codecs into Asterisk will be

...event loss of convergence when signal levels go over a certain threshold and for handling line condition changes. * wctdm24xxp: Fix race conditions/improvements in FXS line feed register handling. (Closes issues #17724 and #17764. Reported and patched by alecdavis) * wctdm24xxp: Added "companding" module parameter to replace "alawoverride". When BRI modules are installed on a Hx8 board alaw is the default companding so change the semantics to just allow the companding to be forced as opposed to overriding a default. The default is "auto" which means ala...

...event loss of convergence when signal levels go over a certain threshold and for handling line condition changes. * wctdm24xxp: Fix race conditions/improvements in FXS line feed register handling. (Closes issues #17724 and #17764. Reported and patched by alecdavis) * wctdm24xxp: Added "companding" module parameter to replace "alawoverride". When BRI modules are installed on a Hx8 board alaw is the default companding so change the semantics to just allow the companding to be forced as opposed to overriding a default. The default is "auto" which means ala...

...rily meant for streaming files as they are, which is a very light-weight operation, with the ability to reencode for the case where files aren't at the same bitrate/format. Having said this, if you run it in reencode mode, it should be possible to pipe through a compressor like's sox's compand effect on the way to the encoder. If you're running in reencode mode, you should have something like this example from the documentation in your config file: <encdec> <!-- Support for MP3 decoding via madplay, and encoding via LAME:...

Dear Stefan, In the paper "Improved Forward-Adaptive Prediction for MPEG-4 Audio Lossless Coding", a non-linear compander is applied to the parcor coefficients prior to quantization. This compander is designed in order to minimize quantization error, especially for magnitudes close to unity. If you determine the typical distribution of magnitudes of the LPC coefficients, you could design a good non-linear compander...

...e primary-net5 no cdp enable ! interface FastEthernet0 ip address 192.168.0.3 255.255.255.0 no ip route-cache no ip mroute-cache duplex full speed auto ! ip classless ip route 0.0.0.0 0.0.0.0 192.168.0.1 no ip http server ! ! ! call rsvp-sync ! voice-port 0:0 echo-cancel coverage 16 compand-type a-law timeouts interdigit 2 ! voice-port 3:D compand-type a-law ! voice-port 1:D input gain -6 compand-type a-law cptone ZA timeouts interdigit 4 ! ! mgcp profile default ! dial-peer voice 1 pots destination-pattern .T port 0:0 forward-digits all ! gateway resource threshol...

Hi list! The stability of * with fax (or the lack of it) is causing me headaches. To solve it, I was thinking to put a TE205P card in the * box, connect the E1 pri on one port and a channelbank (I was thinking of the Rhino) on the other port in T1 mode. (Has anyone tried this??) The TE205P supports channel bridging which sounded like the ideal (but not cheap) solution when combined with a

...um card hooked up directly without csu to a TN464 DS1 interface card. With alot of experimentation it connects (With some timing sync issues) with the following settings on the DS1: Bit rate: 1.544 line coding: ami-basic line compensation: 1 framing mode: d4 signalling mode: robbed bit Interface companding: mulaw idle code: 11111111 slip detect: n near-end CSU type: other We then set up a trunk group, but I believe because of the limitations of the card/setup we can only use group type: co which limits us to outbound on the trunk, or inbound to 1 mapped extension, no DID or more advanced switchin...

...the command line. Also when I type "sox -h" I get: sox: Version 12.17.7 Usage: [ gopts ] [ fopts ] ifile [ fopts ] ofile [ effect [ effopts ] ] gopts: -e -h -p -v volume -V fopts: -r rate -c channels -s/-u/-U/-A/-a/-i/-g/-f -b/-w/-l/-d -x effect: avg band bandpass bandreject chorus compand copy dcshift deemph earwax echo echos fade filter flanger highp highpass lowp lowpass mask mcompand noiseprof noisered pan phaser pick pitch polyphase rate repeat resample reverb reverse silence speed stat stretch swap synth trim vibro vol effopts: depends on effect Supported file formats: aif...

Dear all, I have an Asterisk SIP server in a LAN environment and I want your opinion in order to decide the use of an audio codec: What audio codec is better, G.711a or G.711u ??? Which suites to my LAN voip calls ??? Thank you !!! Alejandro -------------- next part -------------- An HTML attachment was scrubbed... URL:

> 1) AGC: This seems to work pretty well in all cases. I had previously > hacked-in the "compander" filter from sox for a similar effect. What > I've noticed is that speex_preprocess's AGC has no "knobs", and it > seems to use an attack/decay that is a lot faster than what I had > chosen from the sox compander, but it works pretty well nonetheless. I >...

...formats as "mp3". [root at host0040 ~]# sox -h sox: Version 12.18.1 Usage: [ gopts ] [ fopts ] ifile [ fopts ] ofile [ effect [ effopts ] ] gopts: -e -h -p -q -S -V fopts: -r rate -c channels -s/-u/-U/-A/-a/-i/-g/-f -b/-w/-l/-d -v volume -x effect: avg band bandpass bandreject chorus compand copy dcshift deemph earwax echo echos fade filter flanger highp highpass lowp lowpass mask mcompand noiseprof noisered pan phaser pick pitch polyphase rate repeat resample reverb reverse silence speed stat stretch swap synth trim vibro vol effopts: depends on effect Supported file formats: aiff a...

...teresting to me. I've been working with the speex-preprocessing stuff so far, with relatively impressive results. It's been a lot of fun so far, and like to give my (subjective) feedback here: 1) AGC: This seems to work pretty well in all cases. I had previously hacked-in the "compander" filter from sox for a similar effect. What I've noticed is that speex_preprocess's AGC has no "knobs", and it seems to use an attack/decay that is a lot faster than what I had chosen from the sox compander, but it works pretty well nonetheless. I think your choices m...

...d/coupled surround support for 5.1 encoding at 44.1/48kHz - Added encoder control call to disable channel coupling - Corrected an overflow bug in very low-bitrate encoding on 32 bit machines that caused inflated bitrates - Numerous API hardening, leak and build fixes - Correct bug in 22kHz compand setup that could cause a crash - Correct bug in 16kHz codebooks that could cause unstable pure tones at high bitrates vorbis-tools improvements: vorbis-tools 1.4.0 is the first official release of vorbis-tools since 1.2.x. 1.3.x was never offered as an official snapshot, though various ver...

...d/coupled surround support for 5.1 encoding at 44.1/48kHz - Added encoder control call to disable channel coupling - Corrected an overflow bug in very low-bitrate encoding on 32 bit machines that caused inflated bitrates - Numerous API hardening, leak and build fixes - Correct bug in 22kHz compand setup that could cause a crash - Correct bug in 16kHz codebooks that could cause unstable pure tones at high bitrates vorbis-tools improvements: vorbis-tools 1.4.0 is the first official release of vorbis-tools since 1.2.x. 1.3.x was never offered as an official snapshot, though various ver...