miscellaneous typo fixes

5 files changed, 9 insertions, 9 deletions

diff --git a/libavcodec/aac.h b/libavcodec/aac.h
index b12d2bac33..a7c9995a31 100644
--- a/libavcodec/aac.h
+++ b/libavcodec/aac.h
@@ -157,7 +157,7 @@ typedef struct LongTermPrediction {
 typedef struct IndividualChannelStream {
     uint8_t max_sfb;            ///< number of scalefactor bands per group
     enum WindowSequence window_sequence[2];
-    uint8_t use_kb_window[2];   ///< If set, use Kaiser-Bessel window, otherwise use a sinus window.
+    uint8_t use_kb_window[2];   ///< If set, use Kaiser-Bessel window, otherwise use a sine window.
     int num_window_groups;
     uint8_t group_len[8];
     LongTermPrediction ltp;
diff --git a/libavcodec/twinvq.c b/libavcodec/twinvq.c
index 887a88cf38..8c304c6afe 100644
--- a/libavcodec/twinvq.c
+++ b/libavcodec/twinvq.c
@@ -230,7 +230,7 @@ static void memset_float(float *buf, float val, int size)
  * Evaluate a single LPC amplitude spectrum envelope coefficient from the line
  * spectrum pairs.
  *
- * @param lsp a vector of the cosinus of the LSP values
+ * @param lsp a vector of the cosine of the LSP values
  * @param cos_val cos(PI*i/N) where i is the index of the LPC amplitude
  * @param order the order of the LSP (and the size of the *lsp buffer). Must
  *        be a multiple of four.
@@ -302,9 +302,9 @@ static inline float get_cos(int idx, int part, const float *cos_tab, int size)
  * unexplained condition.
  *
  * @param step the size of a block "siiiibiiii"
- * @param in the cosinus of the LSP data
- * @param part is 0 for 0...PI (positive cossinus values) and 1 for PI...2PI
- *        (negative cossinus values)
+ * @param in the cosine of the LSP data
+ * @param part is 0 for 0...PI (positive cosine values) and 1 for PI...2PI
+ *        (negative cosine values)
  * @param size the size of the whole output
  */
 static inline void eval_lpcenv_or_interp(TwinContext *tctx,
diff --git a/libavcodec/wma.c b/libavcodec/wma.c
index db276461a7..f5ea64a9ff 100644
--- a/libavcodec/wma.c
+++ b/libavcodec/wma.c
@@ -304,7 +304,7 @@ av_cold int ff_wma_init(AVCodecContext *avctx, int flags2)
     }
 #endif
 
-    /* init MDCT windows : simple sinus window */
+    /* init MDCT windows : simple sine window */
     for (i = 0; i < s->nb_block_sizes; i++) {
         ff_init_ff_sine_windows(s->frame_len_bits - i);
         s->windows[i] = ff_sine_windows[s->frame_len_bits - i];
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index d3bd3816fa..bbf3216076 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -125,7 +125,7 @@ static VLC              vec4_vlc;         ///< 4 coefficients per symbol
 static VLC              vec2_vlc;         ///< 2 coefficients per symbol
 static VLC              vec1_vlc;         ///< 1 coefficient per symbol
 static VLC              coef_vlc[2];      ///< coefficient run length vlc codes
-static float            sin64[33];        ///< sinus table for decorrelation
+static float            sin64[33];        ///< sine table for decorrelation
 
 /**
  * @brief frame specific decoder context for a single channel
@@ -449,7 +449,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
                      1.0 / (1 << (WMAPRO_BLOCK_MIN_BITS + i - 1))
                      / (1 << (s->bits_per_sample - 1)));
 
-    /** init MDCT windows: simple sinus window */
+    /** init MDCT windows: simple sine window */
     for (i = 0; i < WMAPRO_BLOCK_SIZES; i++) {
         const int win_idx = WMAPRO_BLOCK_MAX_BITS - i;
         ff_init_ff_sine_windows(win_idx);
diff --git a/libavcodec/wmavoice.c b/libavcodec/wmavoice.c
index 219f4e5529..0ba2c48d32 100644
--- a/libavcodec/wmavoice.c
+++ b/libavcodec/wmavoice.c
@@ -620,7 +620,7 @@ static void calc_input_response(WMAVoiceContext *s, float *lpcs,
     }
 
     /* calculate the Hilbert transform of the gains, which we do (since this
-     * is a sinus input) by doing a phase shift (in theory, H(sin())=cos()).
+     * is a sine input) by doing a phase shift (in theory, H(sin())=cos()).
      * Hilbert_Transform(RDFT(x)) = Laplace_Transform(x), which calculates the
      * "moment" of the LPCs in this filter. */
     s->dct.dct_calc(&s->dct, lpcs);