• Silent Mp3 File
• Silent Wav File Download

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2014-6-9 Christmas/Christmas Time Is Here - David Benoit - Charlie Brown (1).wav. Christmas/Christmas Wrapping - The. Jimmy Flynn.wav. Christmas/Silent Night. This page gives you access to high definition audio test files, with sample. Definition files will download straight to your disk as uncompressed.wav files. From 1 Hz up to the Nyquist frequency (half the sample rate) in a 30-second. Listen carefully; the rest of the file should remain perfectly silent. Is AudioCheck free?

1 second of silence. Silent Ringtone Audio Preview. Download 1 file. 64KBPS MP3 download. Download 1 file.

In answer to the question 'How-to make a silent mp3 or wav-file' on ubuntuforums.org FakeOutdoorsman provided the following recipe:

Another method by using FFmpeg. 60 seconds of silent audio in WAV:

ffmpeg -ar 48000 -t 60 -f s16le -acodec pcm_s16le -ac 2 -i /dev/zero -acodec copy output.wav

60 seconds of silent audio in MP3:

ffmpeg -ar 48000 -t 60 -f s16le -acodec pcm_s16le -ac 2 -i /dev/zero -acodec libmp3lame -aq 4 output.mp3

How could I do something similar to create a silent .ogg audio file?

For a web app, I want to create a very short file for testing whether the browser will preload an audio file, or whether it will wait until the file is actually played before starting to stream it.

2 Answers

Specify -acodec to be vorbis (instead of libmp3lame) and put .ogg at the end of the output file (in place of .mp3).

That's an outdated method. You can now use the anullsrc filter instead, and it will work on any OS:

• Default sample rate is 44100, and default channel layout is stereo. If you want something different you can do something like: anullsrc=r=48000:cl=mono (or use cl=1 for mono).

• For Vorbis in general, avoid the native encoder vorbis if possible; libvorbis will provide a better output (although it doesn't really matter with a silent output).

Test tone

An annoying tone or beeping tone can be made with sine filter. Generate a 220 Hz sine wave with a 880 Hz beep each second, for 5 seconds:

Just black video

Using the color filter.

• Default frame rate is 25 and default video size is 320x240. To change it: color=r=24:s=1280x720:d=5.

• But who uses Theora anymore? A more modern alternative that likely fills its niche is VP8/VP9 + Vorbis in WebM: -c:v libvpx output.webm.

Microsoft Wav Downloads

Test pattern + 440 Hz tone

Free Music Wav Files

Using testsrc and sine filters:

• Change frame rate and video size the same way as shown above for the color filter.

• See FFmpeg Filter Documentation: Video Sources for a list of many other video source filters such as smptehdbars.

Microsoft Free Wav Files

Not the answer you're looking for? Browse other questions tagged audioffmpegogg or ask your own question.

2014-6-9 Christmas/Christmas Time Is Here - David Benoit - Charlie Brown (1).wav. Christmas/Christmas Wrapping - The. Jimmy Flynn.wav. Christmas/Silent Night. This page gives you access to high definition audio test files, with sample. Definition files will download straight to your disk as uncompressed.wav files. From 1 Hz up to the Nyquist frequency (half the sample rate) in a 30-second. Listen carefully; the rest of the file should remain perfectly silent. Is AudioCheck free?

1 second of silence. Silent Ringtone Audio Preview. Download 1 file. 64KBPS MP3 download. Download 1 file.

In answer to the question 'How-to make a silent mp3 or wav-file' on ubuntuforums.org FakeOutdoorsman provided the following recipe:

Another method by using FFmpeg. 60 seconds of silent audio in WAV:

ffmpeg -ar 48000 -t 60 -f s16le -acodec pcm_s16le -ac 2 -i /dev/zero -acodec copy output.wav

60 seconds of silent audio in MP3:

ffmpeg -ar 48000 -t 60 -f s16le -acodec pcm_s16le -ac 2 -i /dev/zero -acodec libmp3lame -aq 4 output.mp3

How could I do something similar to create a silent .ogg audio file?

For a web app, I want to create a very short file for testing whether the browser will preload an audio file, or whether it will wait until the file is actually played before starting to stream it.

2 Answers

Specify -acodec to be vorbis (instead of libmp3lame) and put .ogg at the end of the output file (in place of .mp3).

That's an outdated method. You can now use the anullsrc filter instead, and it will work on any OS:

• Default sample rate is 44100, and default channel layout is stereo. If you want something different you can do something like: anullsrc=r=48000:cl=mono (or use cl=1 for mono).

• For Vorbis in general, avoid the native encoder vorbis if possible; libvorbis will provide a better output (although it doesn't really matter with a silent output).

Test tone

An annoying tone or beeping tone can be made with sine filter. Generate a 220 Hz sine wave with a 880 Hz beep each second, for 5 seconds:

Just black video

Using the color filter.

• Default frame rate is 25 and default video size is 320x240. To change it: color=r=24:s=1280x720:d=5.

• But who uses Theora anymore? A more modern alternative that likely fills its niche is VP8/VP9 + Vorbis in WebM: -c:v libvpx output.webm.

Microsoft Wav Downloads

Silent Mp3 File

Test pattern + 440 Hz tone

Free Music Wav Files

Using testsrc and sine filters:

• Change frame rate and video size the same way as shown above for the color filter.

• See FFmpeg Filter Documentation: Video Sources for a list of many other video source filters such as smptehdbars.

Microsoft Free Wav Files

Silent Wav File Download

Not the answer you're looking for? Browse other questions tagged audioffmpegogg or ask your own question.