| author | Oleksandr Gavenko <gavenkoa@gmail.com> |
| Fri, 13 Nov 2020 22:27:55 +0200 | |
| changeset 2456 | b7e46ea06927 |
| parent 2228 | 837f1337c59b |
| permissions | -rw-r--r-- |
| 1192 | 1 |
.. -*- coding: utf-8; -*- |
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======== |
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Audio. |
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======== |
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.. contents:: |
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:local: |
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Sound in Debian. |
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================ |
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* http://wiki.debian.org/ALSA |
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* http://wiki.debian.org/SoundFAQ |
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Test speaker and microphone.
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parents:
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Test speaker and microphone. |
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69dff9ee90aa
Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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============================ |
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Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1334
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To configure audio devices:: |
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Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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69dff9ee90aa
Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ alsamixer |
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$ pavucontrol |
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Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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69dff9ee90aa
Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1334
diff
changeset
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To hier voice from mic in speaker:: |
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69dff9ee90aa
Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1334
diff
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69dff9ee90aa
Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ arecord | aplay |
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Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ arecord -f cd | aplay -f cd |
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Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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69dff9ee90aa
Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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To list of available devices:: |
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Test speaker and microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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parents:
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$ aplay -l |
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parents:
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$ aplay -L |
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parents:
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$ arecord -l |
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Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ arecord -L |
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parents:
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$ pactl list |
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Play simple sounds. |
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Play simple sounds.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1610
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changeset
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=================== |
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Play simple sounds.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1610
diff
changeset
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:: |
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e3bffa18d09d
Play simple sounds.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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diff
changeset
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Play simple sounds.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ sudo apt-get install sox |
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Play simple sounds.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ play -n synth sin 440 vol -40dB |
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Play simple sounds.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ play -n synth 10 square 100-10000 synth sin fmod 100 vol -40dB |
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Play simple sounds.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
1610
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changeset
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Record from microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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Record from microphone |
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9bfc4f8cc136
Record from microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
2004
diff
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====================== |
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Record from microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
2004
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:: |
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Record from microphone.
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parents:
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$ arecord out.wav |
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Record from microphone.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
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$ arecord -f cd -t raw | oggenc -r -o out.ogg - |
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$ arecord -f cd -t raw | lame -r - out.mp3 |
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parents:
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$ sox -t alsa default out.wav |
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parents:
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$ audacity & |
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Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
2004
diff
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Check HDA params. |
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================= |
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:: |
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$ sudo apt-get install alsa-tools-gui |
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$ hdajackretask |
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See also: |
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parents:
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http://www.alsa-project.org/main/index.php/HDA_Analyzer |
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parents:
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provides a graphical interface to access the raw HD-audio control |
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Suitable convertors? |
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==================== |
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:: |
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$ sudo apt-get install ffmpeg |
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or:: |
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$ sudo apt-get install sox |
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parents:
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List of sox supported format: See sox(1). |
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parents:
1610
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List of ffmpeg supported format:: |
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$ ffmpeg -formats |
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How convert amr to ogg/mp3? |
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=========================== |
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TODO |
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Remove duplicated file.
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Converting music formats |
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======================== |
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:: |
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$ sox in.mp3 out.ogg |
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$ sox in.ogg out.wav |
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... etc |
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How convert flac to mp3? |
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======================== |
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:: |
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$ flac -c -d $file.flac | lame -m j -q 0 -V 0 -s 44.1 - $file.mp3 |
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How convert wma to mp3? |
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======================= |
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:: |
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How convert wma to mp3?
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$ mplayer -vo null -vc dummy -af resample=44100 -ao pcm:file=$file.wav $file.wma |
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$ lame -m s $file.wav -o "$file.mp3 |
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$ rm $file.wav |
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How convert m4a to mp3? |
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======================= |
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:: |
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$ faad -o - $file.m4a | lame -V 0 - $file.mp3 |
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How split mp3/ogg files? |
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======================== |
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Split mp3 and ogg files:: |
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$ mp3splt |
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See: |
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http://mp3splt.sourceforge.net/mp3splt_page/home.php |
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Home page. |