diff --git a/en_US.ISO8859-1/books/handbook/multimedia/chapter.sgml b/en_US.ISO8859-1/books/handbook/multimedia/chapter.sgml index 5ceb0bf41c..0f46d6bc9d 100644 --- a/en_US.ISO8859-1/books/handbook/multimedia/chapter.sgml +++ b/en_US.ISO8859-1/books/handbook/multimedia/chapter.sgml @@ -1,7 +1,7 @@ @@ -29,8 +29,6 @@ applications allowing you to edit your recorded audio, add sound effects, and control attached MIDI devices. - - After reading this chapter you will know: How to locate your sound card. @@ -39,6 +37,8 @@ Methods to test that your card is working using sample applications. How to troubleshoot your sound setup. + How to playback and encode MP3s. + How to rip CD audio tracks into data files. Before reading this chapter you should: @@ -365,4 +365,212 @@ pcm0: <Aureal Vortex 8830> at memory 0xfeb40000 irq 5 (4p/1r +channels dup + + + + + + Chern + Lee + Contributed by + + + + + + MP3 Audio + + MP3 (MPEG Layer 3 Audio) accomplishes near CD-quality sound, + leaving no reason to let your FreeBSD workstation fall short of + its offerings. + + + MP3 Players + + By far, the most popular XFree86 MP3 player is + XMMS (X Multimedia System). Winamp + skins can be used with XMMS since the + GUI is almost identical to that of Nullsoft Winamp's. + XMMS also has native plug-in + support. + + XMMS can be installed from the + audio/xmms port or package. + + XMMS' interface is intuitive, with + a playlist, graphic equalizer, and more. Those familiar with WinAmp + will find XMMS simple to use. + + The audio/mpg123 port is an alternative, + command-line MP3 player. + + mpg123 can be run by specifying the + sound device and the MP3 file on the command line, as shown below: + + &prompt.root; mpg123 -a /dev/dsp1.0 Foobar-GreatestHits.mp3 +High Performance MPEG 1.0/2.0/2.5 Audio Player for Layer 1, 2 and 3. +Version 0.59r (1999/Jun/15). Written and copyrights by Michael Hipp. +Uses code from various people. See 'README' for more! +THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! USE AT YOUR OWN RISK! + + + + + +Playing MPEG stream from BT - Foobar-GreastHits.mp3 ... +MPEG 1.0 layer III, 128 kbit/s, 44100 Hz joint-stereo + + + /dev/dsp1.0 should be replaced with the + dsp device entry on your system. + + + + + Ripping CD Audio Tracks + + Before encoding a CD or CD track to MP3, the audio data on + the CD must be ripped onto the hard drive. This is done by + copying the raw CDDA (CD Digital Audio) data to WAV + files. + + The cdda2wav tool, which is a part of the + sysutils/cdrtools suite, is used for ripping audio + information of CDs and the information associated with it. + + With the audio CD in the drive, the following command + can be issued (as root) to rip an entire + CD into individual (per track) WAV files: + + &prompt.root; cdda2wav -D 0,1,0 -B + + The + indicates the SCSI device 0,1,0, which + corresponds to the output of cdrecord + -scanbus. + + To rip individual tracks, make use of the + option as shown: + + &prompt.root; cdda2wav -D 0,1,0 -t 7 + + This example rips track seven of the audio CDROM. To rip a range + of tracks, for example, track one to seven, specify a range: + + &prompt.root; cdda2wav -D 0,1,0 -t 1+7 + + cdda2wav only supports SCSI + CDROM drives. For IDE drives, try out audio/cdd or + some of the various other utilities in the audio ports + collection. + + + + + Encoding MP3s + + Nowadays, the mp3 encoder of choice is + lame. + Lame can be found at + audio/lame in the ports tree. + + Using the ripped WAV files, the following command will + convert audio01.wav to + audio01.mp3: + + &prompt.root; lame -h -b 128 \ +--tt "Foo Song Title" \ +--ta "FooBar Artist" \ +--tl "FooBar Album" \ +--ty "2001" \ +--tc "Ripped and encoded by Foo" \ +--tg "Genre" \ +audio01.wav audio01.mp3 + + 128 kbits seems to be the standard MP3 bitrate in use. + Many enjoy the higher quality 160, or 192. The higher the + bitrate, the more disk space the resulting MP3 will consume--but + the quality will be higher. The option + turns on the higher quality but a little slower + mode. The options beginning with indicate + ID3 tags, which usually contain song information, to be embedded + within the MP3 file. Additional encoding options can be found + by consulting the lame man page. + + + + Decoding MP3s + + In order to burn an audio CD from MP3s, they must be converted + to a non-compressed WAV format. Both XMMS + and mpg123 support the output of MP3 to + an uncompressed file format. + + Writing to Disk in XMMS: + + + + Launch XMMS. + + + + Right-click on the window to bring up the + XMMS menu. + + + + Select Preference under + Options. + + + + Change the Output Plugin to Disk Writer + Plugin. + + + + Press Configure. + + + + Enter (or choose browse) a directory to write the + uncompressed files to. + + + + Load the MP3 file into XMMS + as usual, with volume at 100% and EQ settings turned + off. + + + + Press Play — XMMS + will appear as if it is playing the MP3, but no music will be heard. It + is actually playing the MP3 to a file. + + + + Be sure to set the default Output Plugin back to what it was before + in order to listen to MP3s again. + + + + Writing to stdout in mpg123: + + + + Run mpg123 -s audio01.mp3 + > audio01.pcm + + + + XMMS writes a file in the WAV format, while + mpg123 converts the MP3 into raw PCM audio data. + Both of these formats can be used with cdrecord + or burncd to create audio CDROMs. + + Read for more information on using a + CD burner in FreeBSD. + + diff --git a/en_US.ISO8859-1/books/handbook/sound/chapter.sgml b/en_US.ISO8859-1/books/handbook/sound/chapter.sgml index 5ceb0bf41c..0f46d6bc9d 100644 --- a/en_US.ISO8859-1/books/handbook/sound/chapter.sgml +++ b/en_US.ISO8859-1/books/handbook/sound/chapter.sgml @@ -1,7 +1,7 @@ @@ -29,8 +29,6 @@ applications allowing you to edit your recorded audio, add sound effects, and control attached MIDI devices. - - After reading this chapter you will know: How to locate your sound card. @@ -39,6 +37,8 @@ Methods to test that your card is working using sample applications. How to troubleshoot your sound setup. + How to playback and encode MP3s. + How to rip CD audio tracks into data files. Before reading this chapter you should: @@ -365,4 +365,212 @@ pcm0: <Aureal Vortex 8830> at memory 0xfeb40000 irq 5 (4p/1r +channels dup + + + + + + Chern + Lee + Contributed by + + + + + + MP3 Audio + + MP3 (MPEG Layer 3 Audio) accomplishes near CD-quality sound, + leaving no reason to let your FreeBSD workstation fall short of + its offerings. + + + MP3 Players + + By far, the most popular XFree86 MP3 player is + XMMS (X Multimedia System). Winamp + skins can be used with XMMS since the + GUI is almost identical to that of Nullsoft Winamp's. + XMMS also has native plug-in + support. + + XMMS can be installed from the + audio/xmms port or package. + + XMMS' interface is intuitive, with + a playlist, graphic equalizer, and more. Those familiar with WinAmp + will find XMMS simple to use. + + The audio/mpg123 port is an alternative, + command-line MP3 player. + + mpg123 can be run by specifying the + sound device and the MP3 file on the command line, as shown below: + + &prompt.root; mpg123 -a /dev/dsp1.0 Foobar-GreatestHits.mp3 +High Performance MPEG 1.0/2.0/2.5 Audio Player for Layer 1, 2 and 3. +Version 0.59r (1999/Jun/15). Written and copyrights by Michael Hipp. +Uses code from various people. See 'README' for more! +THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! USE AT YOUR OWN RISK! + + + + + +Playing MPEG stream from BT - Foobar-GreastHits.mp3 ... +MPEG 1.0 layer III, 128 kbit/s, 44100 Hz joint-stereo + + + /dev/dsp1.0 should be replaced with the + dsp device entry on your system. + + + + + Ripping CD Audio Tracks + + Before encoding a CD or CD track to MP3, the audio data on + the CD must be ripped onto the hard drive. This is done by + copying the raw CDDA (CD Digital Audio) data to WAV + files. + + The cdda2wav tool, which is a part of the + sysutils/cdrtools suite, is used for ripping audio + information of CDs and the information associated with it. + + With the audio CD in the drive, the following command + can be issued (as root) to rip an entire + CD into individual (per track) WAV files: + + &prompt.root; cdda2wav -D 0,1,0 -B + + The + indicates the SCSI device 0,1,0, which + corresponds to the output of cdrecord + -scanbus. + + To rip individual tracks, make use of the + option as shown: + + &prompt.root; cdda2wav -D 0,1,0 -t 7 + + This example rips track seven of the audio CDROM. To rip a range + of tracks, for example, track one to seven, specify a range: + + &prompt.root; cdda2wav -D 0,1,0 -t 1+7 + + cdda2wav only supports SCSI + CDROM drives. For IDE drives, try out audio/cdd or + some of the various other utilities in the audio ports + collection. + + + + + Encoding MP3s + + Nowadays, the mp3 encoder of choice is + lame. + Lame can be found at + audio/lame in the ports tree. + + Using the ripped WAV files, the following command will + convert audio01.wav to + audio01.mp3: + + &prompt.root; lame -h -b 128 \ +--tt "Foo Song Title" \ +--ta "FooBar Artist" \ +--tl "FooBar Album" \ +--ty "2001" \ +--tc "Ripped and encoded by Foo" \ +--tg "Genre" \ +audio01.wav audio01.mp3 + + 128 kbits seems to be the standard MP3 bitrate in use. + Many enjoy the higher quality 160, or 192. The higher the + bitrate, the more disk space the resulting MP3 will consume--but + the quality will be higher. The option + turns on the higher quality but a little slower + mode. The options beginning with indicate + ID3 tags, which usually contain song information, to be embedded + within the MP3 file. Additional encoding options can be found + by consulting the lame man page. + + + + Decoding MP3s + + In order to burn an audio CD from MP3s, they must be converted + to a non-compressed WAV format. Both XMMS + and mpg123 support the output of MP3 to + an uncompressed file format. + + Writing to Disk in XMMS: + + + + Launch XMMS. + + + + Right-click on the window to bring up the + XMMS menu. + + + + Select Preference under + Options. + + + + Change the Output Plugin to Disk Writer + Plugin. + + + + Press Configure. + + + + Enter (or choose browse) a directory to write the + uncompressed files to. + + + + Load the MP3 file into XMMS + as usual, with volume at 100% and EQ settings turned + off. + + + + Press Play — XMMS + will appear as if it is playing the MP3, but no music will be heard. It + is actually playing the MP3 to a file. + + + + Be sure to set the default Output Plugin back to what it was before + in order to listen to MP3s again. + + + + Writing to stdout in mpg123: + + + + Run mpg123 -s audio01.mp3 + > audio01.pcm + + + + XMMS writes a file in the WAV format, while + mpg123 converts the MP3 into raw PCM audio data. + Both of these formats can be used with cdrecord + or burncd to create audio CDROMs. + + Read for more information on using a + CD burner in FreeBSD. + +