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From: Stephen S. <lp...@pa...> - 2004-02-17 00:41:23
|
Hi, I convert the two files to raw (sox -V somefile.wav -s -w -t raw somefile.raw), then do cat somefile.raw somefile2.raw >concatenated.raw and then convert it back to wav (sox -V -t raw -s -w -r 44100 concatenated.raw concatenated.wav). It's kind of clunky, but works well if I don't want to use Ecasound or whatever to do it. :) Hope that helps. Take care, Steve On Tue, 10 Feb 2004, Vitaliy Lyutyk wrote: > Dear friends, > I'm looking for some way to concatenate two or more .wav files into a > single file. Is it possible to do this with the sox? I was able to mix a > couple of files into an output file, but not to make them play > sequentially (one by one). > > I would greatly appreciate any help. > > Thank you. > > > > > > Sincerely, > Vitaliy > lv...@ya... > > --------------------------------- > Do you Yahoo!? > Yahoo! Finance: Get your refund fast by filing online ------------------------------------- Hope, Despair and the Triumph of Life http://www.hdtl.org Abuse Prevention/Survivor Support Peace & Human Rights |
From: Vitaliy L. <lv...@ya...> - 2004-02-10 14:00:31
|
Dear friends, I'm looking for some way to concatenate two or more .wav files into a single file. Is it possible to do this with the sox? I was able to mix a couple of files into an output file, but not to make them play sequentially (one by one). I would greatly appreciate any help. Thank you. Sincerely, Vitaliy lv...@ya... --------------------------------- Do you Yahoo!? Yahoo! Finance: Get your refund fast by filing online |
From: Jimen C. <jc...@fl...> - 2004-02-10 00:06:23
|
On Mon, 9 Feb 2004, Tero FL wrote: >I am kind of new to sox.. Is there anyone know if I can do the bytes swap >for big endian to little endian and vis vesa for raw pcm data. (raw >format). There's byte swapping going on, but I'm not sure how you would control it. >Can i also strip out the data from each channel of sterio format? Yes. --jc -- Jimen Ching (WH6BRR) jc...@fl... wh...@uh... |
From: Tero FL <te...@ya...> - 2004-02-09 19:46:57
|
I am kind of new to sox.. Is there anyone know if I can do the bytes swap for big endian to little endian and vis vesa for raw pcm data. (raw format). Can i also strip out the data from each channel of sterio format? Tero. __________________________________ Do you Yahoo!? Yahoo! Finance: Get your refund fast by filing online. http://taxes.yahoo.com/filing.html |
From: Levi B. <le...@ba...> - 2004-02-06 18:44:11
|
> 2. I've some ".wav" files recorded from very old, low-volume cassette > tapes. I > use SoX to increase the volume (by option "-v"), but the outcome is not > very good. > With the value recommended by "stat", the actual effect is almost none. > With a much greater value (e.g. 3,4,...), the effect is more > significant. > But at the same time there is a large number of "clipped" samples, and > many peaks become scratchy. > I've compared the "stat" reports of two ".wav" files, one is normal, > and > the other suffers from the above-said problem : The reason you get clipped values if you use a value greater than that recommended by "stat" is that stat gives you the greatest number that can be used without clipping samples. |
From: Chris B. <ch...@cn...> - 2004-02-06 04:43:17
|
Mind expanding on what you mean by invert? Do you want to do what the "reverse" effect does? If so I'm guessing you have a raw recoding from a two track tape meant to be played by a one-track player and flipping the tape depending on which track to hear? Or do you mean you want to mess with the phase? You can change the volume by -1 which will not change its volume at all but will flip the digital values (-1 becomes 1, 1 becomes -1, etc). This is more useful for encoding audio like TV's do. They merge left&right audio into a single channel. Then they take the left channel (or is it the right one?) and invert it and place this as a second channel. If you have a mono-system then you play the one channel without needing a mixer. If you want just the right channel you mix left&right channel to inverse-left channel together which leaves just the right speakers sounds. If you want just the left then you use the second channel; optionally inversing it again. SoX will almost-but-not-quite do what you want either way. You can split the file into two seperate audio files using the "avg" effect. Run either the "reverse" effect or "-v -1" on the channel-file of interest and then find a way to merge the files back together: sox infile.wav outfile-left.wav avg -l sox infile.wav outfile-right.wav avg -r sox outfile-right.wave outfile-right-reverse.wav reverse Now the tricky part. The program called "soxmix" will mix the two files back together: sox outfile.left.wav outfile-right-reverse.wave newfile.wav The problem is that is this "mix" operation meaning that it mixes the sound together like your sound card mixer is doing. ie. mix 2 1-channel files together and you still have only 1-channel. I've been meaning to make a version of this called "soxmerge" that will interleave the channels instead of mixing them. If you have some spare time, look at sox.c in the places were it does "#if SOXMIX". You'll notice it does something like output_buffer[i] = (input_buffer1[i]/2 + input_buffer2[i]/2) to do the mix. Change that to somelike closer to output_buffer[j] = input_buffer1[i]; output_buffer[j+1} = intput_buffer2[i];. Chris Kevin Cosgrove wrote: > On 5 February 2004 at 11:54, Jimen Ching <jc...@fl...> wrote: > > >>On Mon, 2 Feb 2004, Kevin Cosgrove wrote: >> >>>I'd like to be able to invert one channel in a stereo sound file. >>>Can SoX do this for me? I don't see how, but I thought I'd ask. >> >>Probably not with a single command. But you could try separating the two >>channels into two files and inverting the channel you want. Then merging >>the files back together. > > > OK. Can SoX invert the separated single channel? How? > > Thanks again.... > > > > ------------------------------------------------------- > The SF.Net email is sponsored by EclipseCon 2004 > Premiere Conference on Open Tools Development and Integration > See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. > http://www.eclipsecon.org/osdn > _______________________________________________ > Sox-users mailing list > Sox...@li... > https://lists.sourceforge.net/lists/listinfo/sox-users > > -- Chris Bagwell <chris at cnpbagwell dot com> | Frisco, TX http://www.cnpbagwell.com/ | USA |
From: Kevin C. <ke...@do...> - 2004-02-05 22:21:25
|
On 5 February 2004 at 11:54, Jimen Ching <jc...@fl...> wrote: > On Mon, 2 Feb 2004, Kevin Cosgrove wrote: > >I'd like to be able to invert one channel in a stereo sound file. > >Can SoX do this for me? I don't see how, but I thought I'd ask. > > Probably not with a single command. But you could try separating the two > channels into two files and inverting the channel you want. Then merging > the files back together. OK. Can SoX invert the separated single channel? How? Thanks again.... |
From: Jimen C. <jc...@fl...> - 2004-02-05 21:55:47
|
On Thu, 5 Feb 2004, James H. Cloos Jr. wrote: >Has anyone here been keeping a close enough tabs on alsa to update >sox w/o researching the changes? If not I could take a look at it. Go ahead. I've been busy, so I haven't kept up. --jc -- Jimen Ching (WH6BRR) jc...@fl... wh...@uh... |
From: Jimen C. <jc...@fl...> - 2004-02-05 21:54:49
|
On Mon, 2 Feb 2004, Kevin Cosgrove wrote: >I'd like to be able to invert one channel in a stereo sound file. >Can SoX do this for me? I don't see how, but I thought I'd ask. Probably not with a single command. But you could try separating the two channels into two files and inverting the channel you want. Then merging the files back together. --jc -- Jimen Ching (WH6BRR) jc...@fl... wh...@uh... |
From: James H. C. Jr. <cl...@jh...> - 2004-02-05 20:28:52
|
I tried this on my gentoo/x86 box and was unable to get sox's configure to detect alsa. Kernel is 2.6, libraries are all up to date. (Alsa is 1.0.2.) And that seems to be the problem. It looks like the alsa api has changed and sox's alsa.c and configure need updating again. Has anyone here been keeping a close enough tabs on alsa to update sox w/o researching the changes? If not I could take a look at it. -JimC |
From: <sya...@hk...> - 2004-02-04 06:52:04
|
Dear all, I'm new to SoX. I've a couple of questions about using the software, so I post them here and see if anyone could kindly help. 1. Is there any explanation of the technical terms mentioned in "stat" reports (e.g. "mean norm", "RMS amplitude", "Max/Min/Mean/RMS delta", etc.) ? 2. I've some ".wav" files recorded from very old, low-volume cassette tapes. I use SoX to increase the volume (by option "-v"), but the outcome is not very good. With the value recommended by "stat", the actual effect is almost none. With a much greater value (e.g. 3,4,...), the effect is more significant. But at the same time there is a large number of "clipped" samples, and many peaks become scratchy. I've compared the "stat" reports of two ".wav" files, one is normal, and the other suffers from the above-said problem : good.wav poor.wav ******** ******** Samples read: 132034224 Samples read: 82856606 Length (seconds): 1496.986667 Length (seconds): 863.089646 Scaled by: 2147483647.0 Scaled by: 2147483647.0 Maximum amplitude: 0.999969 Maximum amplitude: 0.272369 Minimum amplitude: -1.000000 Minimum amplitude: -0.255859 Midline amplitude: -0.000015 Midline amplitude: 0.008255 Mean norm: 0.210928 Mean norm: 0.021572 Mean amplitude: 0.001493 Mean amplitude: -0.000013 RMS amplitude: 0.270034 RMS amplitude: 0.032615 Maximum delta: 1.035095 Maximum delta: 0.125488 Minimum delta: 0.000000 Minimum delta: 0.000000 Mean delta: 0.127912 Mean delta: 0.004237 RMS delta: 0.179824 RMS delta: 0.007403 Rough frequency: 4673 Rough frequency: 1733 Volume adjustment: 1.000 Volume adjustment: 3.671 sox -v 3.671 poor.wav sox -v 6 poor.wav ********************* ***************** Samples read: 82856606 Samples read: 82856606 Length (seconds): 863.089646 Length (seconds): 863.089646 Scaled by: 2147483647.0 Scaled by: 2147483647.0 Maximum amplitude: 0.999868 Maximum amplitude: 1.000000 Minimum amplitude: -0.939260 Minimum amplitude: -1.000000 Midline amplitude: 0.030304 Midline amplitude: 0.000000 Mean norm: 0.079191 Mean norm: 0.129407 Mean amplitude: -0.000048 Mean amplitude: -0.000092 RMS amplitude: 0.119729 RMS amplitude: 0.195550 Maximum delta: 0.460667 Maximum delta: 0.719055 Minimum delta: 0.000000 Minimum delta: 0.000000 Mean delta: 0.015552 Mean delta: 0.025393 RMS delta: 0.027175 RMS delta: 0.044297 Rough frequency: 1733 Rough frequency: 1730 Volume adjustment: 1.000 Volume adjustment: 1.000 Volume change clipped 23296 samples Is there any way to "smooth" the output with large volume increase ? Also there's an effect called "vol", how does this work ? is it better ? Thanks. |
From: Kevin C. <ke...@do...> - 2004-02-02 18:08:43
|
I'd like to be able to invert one channel in a stereo sound file. Can SoX do this for me? I don't see how, but I thought I'd ask. Thanks.... |
From: Toshiyuki S. <ts...@b2...> - 2004-02-02 17:22:50
|
Hi Levi, It works too. Thank you very much, Sakata -----Original Message----- From: Levi Bard [mailto:le...@ba...] Sent: domingo, 1 de fevereiro de 2004 19:44 To: sox...@li... Subject: Re: [SoX-users] RE: How to convert to a .raw >> I'm trying to convert a .wav file to .raw format, and I did'nt have >> sucess. >> The format that I need to convert to is: >> >> .raw PCM (no header) >> 8000 samples per second >> 8 bits per sample >> uLaw compression >> Maximum ring size - 16080 samples >> Minimum ring size - 240 samples >> Number of samples in the ring is evenly divisible by 240 Ring starts and >> ends at the zero crossing Actually, sox has a builtin type for ulaw, .ul. So, something like `sox blah.wav blah.ul` should work fine. If you really want, you can name it blah.raw afterward. ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ Sox-users mailing list Sox...@li... https://lists.sourceforge.net/lists/listinfo/sox-users |
From: Toshiyuki S. <ts...@b2...> - 2004-02-02 17:22:10
|
Hi Ove, It works very well. Thanks, Sakata -----Original Message----- From: Ove Peter [mailto:ove...@gm...] Sent: domingo, 1 de fevereiro de 2004 08:12 To: sox...@li... Subject: Re: [SoX-users] RE: How to convert to a .raw Hi, you'll need to convert to filetype .raw with sox and specify your=20 parameters before the output file. The sox man page describes the=20 parameters nicely. Something like: sox -V ocean.wav -t raw -r 8000 -U -b ocean.raw I don't know about the ring size thing you mention below, but I hope = this=20 commandline gives you a start. Ove On 2004-02-01 at 05:16:41 [+0100], you wrote: > Hi, >=20 > I realy would appreciate, if anyone help me. >=20 > Thanks, >=20 > Sakata >=20 > -----Original Message----- > From: Toshiyuki Sakata > To: 'sox...@li...' > Sent: 29/1/2004 22:39 > Subject: How to convert to a .raw >=20 > Hi All, >=20 > I'm trying to convert a .wav file to .raw format, and I did'nt have=20 > sucess. > The format that I need to convert to is: >=20 > .raw PCM (no header) > 8000 samples per second > 8 bits per sample > uLaw compression > Maximum ring size - 16080 samples > Minimum ring size - 240 samples > Number of samples in the ring is evenly divisible by 240 Ring starts = and=20 > ends at the zero crossing >=20 > Could anybody help me? >=20 > Toshiyuki Sakata > Gerente de Neg=F3cios > IP Telephony > B2BiS > 11 5521-0102 ramal 37 > 11 9655-3256 > www.b2bis.com.br ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ Sox-users mailing list Sox...@li... https://lists.sourceforge.net/lists/listinfo/sox-users |
From: Levi B. <le...@ba...> - 2004-02-01 22:33:27
|
>> I'm trying to convert a .wav file to .raw format, and I did'nt have >> sucess. >> The format that I need to convert to is: >> >> .raw PCM (no header) >> 8000 samples per second >> 8 bits per sample >> uLaw compression >> Maximum ring size - 16080 samples >> Minimum ring size - 240 samples >> Number of samples in the ring is evenly divisible by 240 Ring starts and >> ends at the zero crossing Actually, sox has a builtin type for ulaw, .ul. So, something like `sox blah.wav blah.ul` should work fine. If you really want, you can name it blah.raw afterward. |
From: Ove P. <ove...@gm...> - 2004-02-01 11:02:52
|
Hi, you'll need to convert to filetype .raw with sox and specify your=20 parameters before the output file. The sox man page describes the=20 parameters nicely. Something like: sox -V ocean.wav -t raw -r 8000 -U -b ocean.raw I don't know about the ring size thing you mention below, but I hope this=20 commandline gives you a start. Ove On 2004-02-01 at 05:16:41 [+0100], you wrote: > Hi, >=20 > I realy would appreciate, if anyone help me. >=20 > Thanks, >=20 > Sakata >=20 > -----Original Message----- > From: Toshiyuki Sakata > To: 'sox...@li...' > Sent: 29/1/2004 22:39 > Subject: How to convert to a .raw >=20 > Hi All, >=20 > I'm trying to convert a .wav file to .raw format, and I did'nt have=20 > sucess. > The format that I need to convert to is: >=20 > .raw PCM (no header) > 8000 samples per second > 8 bits per sample > uLaw compression > Maximum ring size - 16080 samples > Minimum ring size - 240 samples > Number of samples in the ring is evenly divisible by 240 Ring starts and= =20 > ends at the zero crossing >=20 > Could anybody help me? >=20 > Toshiyuki Sakata > Gerente de Neg=F3cios > IP Telephony > B2BiS > 11 5521-0102 ramal 37 > 11 9655-3256 > www.b2bis.com.br |
From: Toshiyuki S. <ts...@b2...> - 2004-02-01 03:13:50
|
Hi, I realy would appreciate, if anyone help me. Thanks, Sakata -----Original Message----- From: Toshiyuki Sakata To: 'sox...@li...' Sent: 29/1/2004 22:39 Subject: How to convert to a .raw Hi All, I'm trying to convert a .wav file to .raw format, and I did'nt have sucess. The format that I need to convert to is: .raw PCM (no header) 8000 samples per second 8 bits per sample uLaw compression Maximum ring size - 16080 samples Minimum ring size - 240 samples Number of samples in the ring is evenly divisible by 240 Ring starts and ends at the zero crossing Could anybody help me? Toshiyuki Sakata Gerente de Neg=F3cios IP Telephony B2BiS 11 5521-0102 ramal 37 11 9655-3256 www.b2bis.com.br |
From: Ari M. <ar...@sc...> - 2004-01-31 04:18:32
|
Hi! Has anybody experienced with amr de/encoding? It is some kind of auido compression for mobile multimedia and has quite good compression ratio. There is reference implementation at ftp://ftp.3gpp.org/Specs/latest/Rel-5/26_series/26104-520.zip I compiled both encoder and decoder and at leas decoder worked wit audio clip from my mobile phone - Nokia 6600. But my C skills are limited so not sure whether i can integrate code into sox and my lawyer cababilities are even more limited to know what kind of copyright issues there are:-( -- arimo |
From: Jonathan R. <jr...@le...> - 2004-01-31 00:49:09
|
> For playback > > sox filename.wav -t alsa /dev/snd/pcmC0D0p Thanks for the help. Playback works now, although it didn't solve the clicking problem. A pity, because aplay sounds better, but it won't handle ogg files and I need something that'll handle both. > > for capture > > sox -t alsa -r 44100 -w -u /dev/snd/pcmC0D0c filename.wav This doesn't work for me, it says "ALSA driver does not support unsigned word samples". Only signed word samples are accepted on my system. But it simply records blank samples! The mixer is set to record from the mic, and turned up. But I guess this is an ALSA problem and outside the scope of this list. Jonathan |
From: <ma...@mh...> - 2004-01-30 20:08:21
|
Jimen: I had a look at the C source code. In "cvsdfilt.h" there are special = encoder and decoder filters for the two supported sample rates 16 and 32 = kHz. Without deep knowledge of the CVSD algorithm I won't be able to = write a new filter for e.g. 25 kHz. Andrew: I have to try if the open soruce sample rate conversion library you = mentioned would do it. But I'm pretty sure that this software is not = capable of resampling CVSD encoded sound. And this is what I would have = to do if I encode sound with Sox and want to replay it with the old = hardware A/D board. Thanks for your suggestions so far! Martin P.S.: I subscribed to this mailing list but I do NOT receive any of the = posted mails. I can just view them with a browser at = http://sourceforge.net/mailarchive/... . Am I too stupid? |
From: Jimen C. <jc...@fl...> - 2004-01-29 09:06:52
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On Mon, 26 Jan 2004, Martin H=E4ndler wrote: >I'm currently trying to exchange sound samples between Sox and an old >machine which uses a hardware CVSD A/D converter. The old machine >supports CVSD only some unusual sampling rates (e.g. 25 kHz) but Sox has >builtin support for 16 and 32 kHz (which is compliant to some standard). >Is there any chance to patch the CVSD algorithm of Sox for specific >sampling rates? Who could give me a hint? If you know C, you can modify cvsd.c in sox to bypass the explicit assignment of ft->info.rate in st_dvmsstartread(). The right thing to do would have been to set this variable only if it is invalid. This would allow the user to specify a rate at the command line. --jc --=20 Jimen Ching (WH6BRR) jc...@fl... wh...@uh... |
From: Andrew B. <aa...@ci...> - 2004-01-28 20:00:33
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>I'm currently trying to exchange sound samples between Sox and an old = >machine which uses a hardware CVSD A/D converter. The old machine = >supports CVSD only some unusual sampling rates (e.g. 25 kHz) but Sox has = >builtin support for 16 and 32 kHz (which is compliant to some standard). = >Is there any chance to patch the CVSD algorithm of Sox for specific = >sampling rates? Who could give me a hint? There is an open soruce sample rate conversion library, SRC (AKA Secret Rabbit Code). You'd have to write some C but not much... IIRC it converts to/from arbitrary rates. |
From: Jonathan R. <jr...@le...> - 2004-01-28 11:30:41
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Does sox support ALSA natively, or only through OSS emulation? I tried compiling it with ALSA but without OSS and now I can't get anything to work at all. What options should I pass to sox to play sounds via ALSA? What device should I specify? I've searched newsgroups and mailing list archives and can't find anything. No-one seems to have the answer to this particular question! I'm particularly interested in using the "play" command to play wav and ogg files. When they are played via the OSS emulation, there is often a click at the end of the sample. Jonathan |
From: Jimen C. <jc...@fl...> - 2004-01-28 06:40:05
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On Tue, 27 Jan 2004, Jonathan Rawle wrote: >Does sox support ALSA natively, or only through OSS emulation? I tried >compiling it with ALSA but without OSS and now I can't get anything to >work at all. It depends on what version of ALSA. I've tried ALSA 0.9.8 and it works fine. >What options should I pass to sox to play sounds via ALSA? What device >should I specify? I've searched newsgroups and mailing list archives and >can't find anything. No-one seems to have the answer to this particular >question! For playback sox filename.wav -t alsa /dev/snd/pcmC0D0p for capture sox -t alsa -r 44100 -w -u /dev/snd/pcmC0D0c filename.wav This will record 44100 samples per second with 16bit unsigned samples. Encoding the samples into a .wav format file. >I'm particularly interested in using the "play" command to play wav and >ogg files. When they are played via the OSS emulation, there is often a >click at the end of the sample. Play currently selects the device based on the OS. For linux, it defaults to OSS. --jc -- Jimen Ching (WH6BRR) jc...@fl... wh...@uh... |
From: Jonathan R. <jr...@le...> - 2004-01-27 12:03:22
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Does sox support ALSA natively, or only through OSS emulation? I tried compiling it with ALSA but without OSS and now I can't get anything to work at all. What options should I pass to sox to play sounds via ALSA? What device should I specify? I've searched newsgroups and mailing list archives and can't find anything. No-one seems to have the answer to this particular question! I'm particularly interested in using the "play" command to play wav and ogg files. When they are played via the OSS emulation, there is often a click at the end of the sample. Jonathan |