描述：我从来没有在freesound上找到一个好的手机拨号音。我和一个朋友录制了这个。这是一个由4个短而低的蜂鸣声组成的循环（波兰网络，我想在欧洲也是类似的）。在大约9000赫兹的软低通来过滤一些噪音，在嘟嘟声之间留有静音以保持这种感觉。

描述：拨打一个号码后，来自北美的回铃音。在.m4a中录制第4代iPod touch，然后使用media.io转换为wav。

描述：我的录音环节被一个电话打断了。

描述：从松下无绳固定电话到第五代iPod touch的电话线上接听了英国拨号音。

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 从http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 从http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 从http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1

描述：/bin/bash 用SoX创建DTMF wav文件 创建一个数字"7" DTMF音的文件 sox n 7.wav synth 0.5 sine 852 sine 1209 channels 1 from http://notes.writtenby.tc/sox synth 0.2 0.2 seconds ialexs for learning SoX purpose Mon Aug 27 20:52:19 WIT 2012 sox n dtmf1.wav synth 0.1 sine 697 sine 1209 channels 1sox n dtmf2.wav synth 0.1 sine 697 sine 1336 channels 1sox n dtmf3.wav synth 0.1 sine 697 sine 1477 channels 1 sox n dtmf4.wav synth 0.1 sine 770 sine 1209 channels 1sox n dtmf5.wav synth 0.1 sine 770 sine 1336 channels 1sox n dtmf6.wav synth 0.1 sine 770 sine 1477 channels 1 sox n dtmf7.wav synth 0.1 sine 852 sine 1209 channels 1sox n dtmf8.wav synth 0.1 sine 852 sine 1336 channels 1sox n dtmf9.wav synth 0.1 sine 852 sine 1477 channels 1 sox n dtmf0.wav synth 0.1 sine 941 sine 1209 channels 1sox n dtmfstar.wav synth 0.1 sine 941 sine 1336 channels 1sox n dtmfpound.wav synth 0.1 sine 941 sine 1477 channels 1