Merge 2 audio files in sox

Question

I am trying to merge 2 wave files into one file. The 2 files should start playing at the beginning of the new file. Independently of sound length. Running the following command does not give me this result.

  sox -M new_input.wav myrecording.wav output_test.aiff

Are there other ways of achieving this through sox or other command line libraries?

score 9 · Answer 1 · edited Jul 21 '19 at 02:10

9

just change -M with -m

-M = merge
-m = mix

edited Jul 21 '19 at 02:10

Community

1
1

answered Jun 30 '12 at 07:15

Giuseppe

1,079
13
31

2

Do you know any option to make it stop at the end of the shortest file? – Calmarius Jan 18 '14 at 09:49

Johan Ehnberg · Answer 2 · 2014-06-28T11:56:05.163

7

For cases like Calmarius is asking:

sox -m in1.wav in2.wav out.wav trim 0 `soxi -D in1.wav`

this stops at the length of in1.wav, for cases you know the shorter. Otherwise just add a comparator.

edited Jun 28 '14 at 11:56

answered Jun 28 '14 at 11:50

Johan Ehnberg

71
1
2

what is the function of ``soxi -D in1.wav``? – kc ochibili Jun 25 '15 at 05:39
`soxi -D in1.wav` outputs the length in seconds of in1.wav. However, to run this command within the mix command you'd need to use: `sox -m in1.wav in2.wav out.wav trim 0 "$(soxi -D in1.wav)"` – WebSpanner Feb 07 '16 at 02:36
1

Is there a way to make it _repeat_ the shorter file for the duration of the longer? – bcattle Apr 01 '17 at 06:32

score 2 · Answer 3 · answered Mar 12 '12 at 12:38

2

Heythere. Sorry for late response =) Command should look like this

sox file1 file2 file3

Above will merge first two files and name it after 3rd.

You also might wanna check the docs http://sox.sourceforge.net/sox.html

answered Mar 12 '12 at 12:38

get8p

709
2
8
12

7

this will concatenate two files, not merge them (if by merge we talk about playing two or more files at the same time) – trainoasis Nov 28 '14 at 14:45
1

it just so happens i needed concatenation and this helped me. thank you. – yohannist Nov 04 '17 at 07:47

score 1 · Answer 4 · answered Jul 21 '15 at 13:57

1

'soxi -D in1.wav' gets the length of the file (in1.wav)

answered Jul 21 '15 at 13:57

ralphosky

11
2

Merge 2 audio files in sox

4 Answers4

Linked